/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 22:54:05,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 22:54:05,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 22:54:05,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 22:54:05,390 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-Random521.epf [2021-06-06 22:54:05,425 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 22:54:05,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 22:54:05,425 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 22:54:05,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 22:54:05,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 22:54:05,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 22:54:05,426 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 22:54:05,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 22:54:05,427 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 22:54:05,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 22:54:05,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 22:54:05,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 22:54:05,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 22:54:05,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 22:54:05,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 22:54:05,427 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 22:54:05,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 22:54:05,428 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 22:54:05,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 22:54:05,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 22:54:05,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 22:54:05,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 22:54:05,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 22:54:05,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 22:54:05,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 22:54:05,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 22:54:05,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 22:54:05,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 22:54:05,429 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 22:54:05,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 22:54:05,429 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 22:54:05,429 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 22:54:05,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 22:54:05,429 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 22:54:05,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 22:54:05,430 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 22:54:05,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 22:54:05,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 22:54:05,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 22:54:05,729 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 22:54:05,730 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 22:54:05,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl [2021-06-06 22:54:05,731 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl' [2021-06-06 22:54:05,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 22:54:05,756 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 22:54:05,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 22:54:05,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 22:54:05,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 22:54:05,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:54:05" (1/1) ... [2021-06-06 22:54:05,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:54:05" (1/1) ... [2021-06-06 22:54:05,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 22:54:05,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 22:54:05,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 22:54:05,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 22:54:05,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:54:05" (1/1) ... [2021-06-06 22:54:05,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:54:05" (1/1) ... [2021-06-06 22:54:05,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:54:05" (1/1) ... [2021-06-06 22:54:05,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:54:05" (1/1) ... [2021-06-06 22:54:05,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:54:05" (1/1) ... [2021-06-06 22:54:05,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:54:05" (1/1) ... [2021-06-06 22:54:05,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:54:05" (1/1) ... [2021-06-06 22:54:05,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 22:54:05,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 22:54:05,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 22:54:05,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 22:54:05,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:54:05" (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 [2021-06-06 22:54:05,863 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 22:54:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 22:54:05,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 22:54:05,863 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 22:54:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 22:54:05,864 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 22:54:05,864 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 22:54:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 22:54:05,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 22:54:05,865 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 22:54:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 22:54:05,865 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 22:54:05,866 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 22:54:06,020 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 22:54:06,020 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 22:54:06,022 INFO L202 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:54:06 BoogieIcfgContainer [2021-06-06 22:54:06,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 22:54:06,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 22:54:06,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 22:54:06,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 22:54:06,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:54:05" (1/2) ... [2021-06-06 22:54:06,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7177974b and model type max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 10:54:06, skipping insertion in model container [2021-06-06 22:54:06,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:54:06" (2/2) ... [2021-06-06 22:54:06,028 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array-hom.wvr.bpl [2021-06-06 22:54:06,032 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 22:54:06,032 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 22:54:06,033 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 22:54:06,033 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 22:54:06,094 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 22:54:06,124 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 [2021-06-06 22:54:06,176 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 22:54:06,177 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 22:54:06,177 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 22:54:06,177 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 22:54:06,177 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 22:54:06,177 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 22:54:06,177 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 22:54:06,178 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 22:54:06,212 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:54:06,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:54:06,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1550547830, now seen corresponding path program 1 times [2021-06-06 22:54:06,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:54:06,224 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45588609] [2021-06-06 22:54:06,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:54:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:54:06,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:54:06,431 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:54:06,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45588609] [2021-06-06 22:54:06,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45588609] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 22:54:06,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 22:54:06,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 22:54:06,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848803715] [2021-06-06 22:54:06,436 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 22:54:06,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:54:06,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 22:54:06,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-06 22:54:06,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:54:06,457 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:54:06,461 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.0) 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) [2021-06-06 22:54:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:54:06,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:54:06,537 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 22:54:06,537 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:54:06,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:54:06,540 INFO L82 PathProgramCache]: Analyzing trace with hash -769335896, now seen corresponding path program 1 times [2021-06-06 22:54:06,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:54:06,540 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042887648] [2021-06-06 22:54:06,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:54:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:54:06,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:54:06,605 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:54:06,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042887648] [2021-06-06 22:54:06,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042887648] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 22:54:06,606 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 22:54:06,606 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 22:54:06,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100425218] [2021-06-06 22:54:06,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 22:54:06,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:54:06,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 22:54:06,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 22:54:06,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:54:06,609 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:54:06,609 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-06-06 22:54:06,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:54:06,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:54:06,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:54:06,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:54:06,662 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 22:54:06,662 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:54:06,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:54:06,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1369203574, now seen corresponding path program 1 times [2021-06-06 22:54:06,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:54:06,664 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087702870] [2021-06-06 22:54:06,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:54:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:54:06,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:54:06,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:54:06,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087702870] [2021-06-06 22:54:06,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087702870] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:54:06,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580585201] [2021-06-06 22:54:06,737 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 [2021-06-06 22:54:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:54:06,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 22:54:06,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:54:06,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:54:06,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580585201] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:54:06,972 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:54:06,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-06 22:54:06,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918347858] [2021-06-06 22:54:06,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 22:54:06,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:54:06,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 22:54:06,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-06 22:54:06,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:54:06,974 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:54:06,975 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:54:06,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:54:06,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:54:06,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:54:07,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:54:07,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:54:07,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:54:07,316 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:54:07,318 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:54:07,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:54:07,319 INFO L82 PathProgramCache]: Analyzing trace with hash -54118744, now seen corresponding path program 2 times [2021-06-06 22:54:07,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:54:07,320 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653271656] [2021-06-06 22:54:07,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:54:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:54:08,164 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:54:08,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:54:08,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653271656] [2021-06-06 22:54:08,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653271656] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:54:08,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803514709] [2021-06-06 22:54:08,165 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 [2021-06-06 22:54:08,211 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:54:08,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:54:08,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 22:54:08,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:54:09,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:09,706 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:54:09,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 35 [2021-06-06 22:54:09,710 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:54:09,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:09,740 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-06-06 22:54:09,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 24 [2021-06-06 22:54:09,742 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 22:54:09,944 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-06-06 22:54:09,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:54:09,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:09,985 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-06-06 22:54:09,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2021-06-06 22:54:09,992 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 22:54:10,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:10,018 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-06-06 22:54:10,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 28 [2021-06-06 22:54:10,020 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 22:54:10,198 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-06-06 22:54:10,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:54:10,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:10,226 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:54:10,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 35 [2021-06-06 22:54:10,232 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 22:54:10,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:10,256 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-06-06 22:54:10,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 28 [2021-06-06 22:54:10,264 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 22:54:10,439 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-06-06 22:54:10,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:54:10,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:10,467 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-06-06 22:54:10,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 21 [2021-06-06 22:54:10,470 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 22:54:10,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:10,511 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:54:10,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2021-06-06 22:54:10,527 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 22:54:10,685 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-06-06 22:54:10,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:54:10,746 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-06 22:54:10,746 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 9 variables, input treesize:381, output treesize:514 [2021-06-06 22:54:11,157 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-06-06 22:54:11,414 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2021-06-06 22:54:11,565 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:54:11,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803514709] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:54:11,566 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:54:11,566 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-06 22:54:11,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566714864] [2021-06-06 22:54:11,567 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 22:54:11,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:54:11,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 22:54:11,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2021-06-06 22:54:11,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:54:11,570 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:54:11,570 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:54:11,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:54:11,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:54:11,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:54:11,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:54:12,179 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2021-06-06 22:54:12,416 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-06-06 22:54:12,802 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-06-06 22:54:13,272 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2021-06-06 22:54:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:54:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:54:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:54:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:54:13,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:54:13,625 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:54:13,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:54:13,626 INFO L82 PathProgramCache]: Analyzing trace with hash 102177892, now seen corresponding path program 3 times [2021-06-06 22:54:13,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:54:13,626 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576287567] [2021-06-06 22:54:13,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:54:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:54:13,717 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:54:13,718 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:54:13,718 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576287567] [2021-06-06 22:54:13,718 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576287567] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:54:13,718 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802577632] [2021-06-06 22:54:13,718 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 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 [2021-06-06 22:54:13,759 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 22:54:13,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:54:13,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 22:54:13,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:54:13,918 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:54:13,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802577632] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:54:13,918 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:54:13,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-06-06 22:54:13,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24969998] [2021-06-06 22:54:13,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 22:54:13,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:54:13,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 22:54:13,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2021-06-06 22:54:13,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:54:13,920 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:54:13,920 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 19 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:54:13,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:54:13,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:54:13,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:54:13,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:54:13,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:54:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:54:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:54:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:54:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:54:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:54:14,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:54:14,444 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:54:14,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:54:14,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1968974090, now seen corresponding path program 4 times [2021-06-06 22:54:14,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:54:14,445 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788817378] [2021-06-06 22:54:14,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:54:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:54:14,570 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:54:14,571 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:54:14,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788817378] [2021-06-06 22:54:14,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788817378] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:54:14,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691943837] [2021-06-06 22:54:14,571 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 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 [2021-06-06 22:54:14,610 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:54:14,610 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:54:14,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 22:54:14,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:54:14,733 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:54:14,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691943837] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:54:14,734 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:54:14,734 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 22:54:14,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215958276] [2021-06-06 22:54:14,734 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 22:54:14,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:54:14,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 22:54:14,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 22:54:14,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:54:14,735 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:54:14,735 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:54:14,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:54:14,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:54:14,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:54:14,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:54:14,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:54:14,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:54:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:54:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:54:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:54:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:54:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:54:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:54:15,073 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2021-06-06 22:54:15,073 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:54:15,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:54:15,074 INFO L82 PathProgramCache]: Analyzing trace with hash 100828712, now seen corresponding path program 5 times [2021-06-06 22:54:15,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:54:15,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047597265] [2021-06-06 22:54:15,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:54:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:54:16,249 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2021-06-06 22:54:16,615 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 63 [2021-06-06 22:54:16,738 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 141 [2021-06-06 22:54:17,362 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 104 [2021-06-06 22:54:17,617 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 206 [2021-06-06 22:54:18,492 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 128 [2021-06-06 22:54:18,680 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 201 [2021-06-06 22:54:19,494 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 123 [2021-06-06 22:54:20,153 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 161 [2021-06-06 22:54:20,658 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 81 [2021-06-06 22:54:20,803 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 114 [2021-06-06 22:54:21,030 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 65 [2021-06-06 22:54:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:54:21,447 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:54:21,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047597265] [2021-06-06 22:54:21,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047597265] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:54:21,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767732850] [2021-06-06 22:54:21,448 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 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 [2021-06-06 22:54:21,498 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 22:54:21,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:54:21,499 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 22:54:21,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:54:23,498 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-06 22:54:26,292 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-06 22:54:29,593 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 406 DAG size of output: 370 [2021-06-06 22:54:32,765 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 412 DAG size of output: 374 [2021-06-06 22:54:35,965 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 418 DAG size of output: 378 [2021-06-06 22:54:37,354 WARN L205 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2021-06-06 22:54:38,621 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2021-06-06 22:54:39,923 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 366 [2021-06-06 22:54:40,733 INFO L446 ElimStorePlain]: Different costs {9=[v_prenex_180, v_prenex_182, v_prenex_161, v_prenex_184, v_prenex_164, v_prenex_186, v_prenex_188, v_prenex_166, v_prenex_200, v_prenex_168, v_prenex_202, v_prenex_204, v_prenex_149, v_prenex_190, v_prenex_170, v_prenex_192, v_prenex_172, v_prenex_194, v_prenex_151, v_prenex_196, v_prenex_174, v_prenex_153, v_prenex_198, v_prenex_176, v_prenex_155, v_prenex_210, v_prenex_178, v_prenex_159, v_prenex_206, A, v_prenex_208], 15=[v_prenex_157]} [2021-06-06 22:54:40,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:40,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:54:40,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:40,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:40,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:40,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:54:40,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 22 [2021-06-06 22:54:40,814 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:54:40,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:40,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:54:40,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:40,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:40,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:40,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-06 22:54:40,868 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 22:54:47,551 WARN L205 SmtUtils]: Spent 6.68 s on a formula simplification. DAG size of input: 799 DAG size of output: 749 [2021-06-06 22:54:47,553 INFO L628 ElimStorePlain]: treesize reduction 1191, result has 69.4 percent of original size [2021-06-06 22:54:47,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:47,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:47,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:54:47,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 22:54:47,589 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 22:54:50,368 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 736 [2021-06-06 22:54:50,368 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:54:50,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:50,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:50,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:50,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:50,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 22:54:50,457 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 22:54:50,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:54:50,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:50,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:50,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:50,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:50,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 22:54:50,498 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 22:54:53,308 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification that was a NOOP. DAG size: 723 [2021-06-06 22:54:53,309 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:54:53,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:53,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:53,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:53,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:53,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 22:54:53,366 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 22:54:53,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:54:53,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:53,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:53,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:53,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:53,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 22:54:53,406 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 22:54:55,791 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 708 [2021-06-06 22:54:55,791 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:54:55,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:54:55,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:55,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:55,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:55,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:55,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 22:54:55,841 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 22:54:58,177 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 693 [2021-06-06 22:54:58,178 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:54:58,223 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:54:58,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:58,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:58,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:58,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:54:58,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 22:54:58,233 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:00,572 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 678 [2021-06-06 22:55:00,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:00,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:00,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:00,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:00,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:00,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:00,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-06 22:55:00,616 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:02,877 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 665 [2021-06-06 22:55:02,878 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:02,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:02,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:02,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:02,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:02,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:02,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:02,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 22:55:02,937 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:02,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:02,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:02,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:02,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 22:55:02,980 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:05,143 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 648 [2021-06-06 22:55:05,143 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:05,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:05,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:05,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:05,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:05,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:05,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 22:55:05,178 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:07,343 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 633 [2021-06-06 22:55:07,344 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:07,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:07,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:07,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:07,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:07,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:07,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:07,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 22:55:07,399 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:07,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:07,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:07,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:07,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:07,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 22:55:07,454 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:09,531 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 616 [2021-06-06 22:55:09,532 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:09,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:09,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:09,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:09,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:09,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 22:55:09,582 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:09,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:09,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:09,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:09,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:09,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:09,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 22:55:09,625 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:11,568 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 599 [2021-06-06 22:55:11,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:11,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:11,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:11,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:11,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:11,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:11,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 22:55:11,625 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:13,505 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 584 [2021-06-06 22:55:13,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:13,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:13,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:13,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:13,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:13,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:13,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 22:55:13,541 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:15,342 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 569 [2021-06-06 22:55:15,343 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:15,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:15,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:15,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:15,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:15,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 22:55:15,392 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:15,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:15,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:15,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:15,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:15,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:15,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 22:55:15,419 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:17,216 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 552 [2021-06-06 22:55:17,217 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:17,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:17,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:17,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:17,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:17,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:17,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:17,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 22:55:17,283 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:17,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:17,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:17,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:17,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:17,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 22:55:17,313 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:18,855 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 535 [2021-06-06 22:55:18,863 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:18,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:18,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:18,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:18,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:18,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:18,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:18,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 22:55:18,908 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:18,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:18,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:18,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:18,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:18,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 22:55:18,939 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:20,415 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 520 [2021-06-06 22:55:20,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:20,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:20,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:20,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:20,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:20,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:20,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:20,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-06 22:55:20,458 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:20,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:20,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:20,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:20,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:20,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-06 22:55:20,485 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:21,885 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 503 [2021-06-06 22:55:21,886 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:21,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:21,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:21,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:21,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:21,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 22:55:21,927 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:21,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:21,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:21,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:21,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 22:55:21,964 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:23,223 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 486 [2021-06-06 22:55:23,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:23,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:23,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:23,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:23,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:23,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:23,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 22:55:23,254 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:24,566 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 471 [2021-06-06 22:55:24,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:24,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:24,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:24,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:24,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:24,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:24,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:24,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 22:55:24,605 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:24,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:24,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:24,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:24,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:24,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 22:55:24,637 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:25,807 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 454 [2021-06-06 22:55:25,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:25,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:25,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:25,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:25,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:25,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:25,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 22:55:25,835 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:27,129 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 439 [2021-06-06 22:55:27,129 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:27,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:27,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:27,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:27,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:27,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:27,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 22:55:27,157 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:28,257 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 424 [2021-06-06 22:55:28,257 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:28,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:28,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:28,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:28,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:28,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:28,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 22:55:28,282 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:29,342 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 409 [2021-06-06 22:55:29,342 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:29,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:29,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:29,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:29,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:29,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:29,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:29,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-06 22:55:29,379 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:29,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:29,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:29,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:29,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:29,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-06 22:55:29,406 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:30,396 WARN L205 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2021-06-06 22:55:30,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:30,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:30,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:30,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:30,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:30,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:30,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 22:55:30,419 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:31,374 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2021-06-06 22:55:31,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:31,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:31,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:31,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:31,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:31,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:31,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 22:55:31,395 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:32,316 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2021-06-06 22:55:32,317 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:32,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:32,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:32,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:32,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:32,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:32,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 22:55:32,337 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:33,216 WARN L205 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2021-06-06 22:55:33,218 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:33,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:33,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:33,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:33,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:33,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:33,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 22:55:33,240 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:34,074 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2021-06-06 22:55:34,074 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:34,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:34,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:34,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:34,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:34,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 22:55:34,104 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:34,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:34,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:34,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:34,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:34,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:34,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 22:55:34,124 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:34,924 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2021-06-06 22:55:34,924 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:34,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:34,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:34,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:34,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:34,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 22:55:34,957 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:34,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:34,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:34,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:34,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:34,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:34,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 22:55:34,976 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:35,753 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-06-06 22:55:35,753 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:35,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:35,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:35,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:35,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:35,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:35,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:55:35,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 22:55:35,781 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:35,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:35,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:35,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:35,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:35,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-06 22:55:35,800 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:36,446 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2021-06-06 22:55:36,447 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:36,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:36,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:36,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:36,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:36,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:36,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:36,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:36,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:36,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:36,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:55:36,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-06-06 22:55:36,483 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-06 22:55:37,142 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-06-06 22:55:37,143 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:55:37,191 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 23 xjuncts. [2021-06-06 22:55:37,191 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:3985, output treesize:246 [2021-06-06 22:55:37,417 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:55:37,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767732850] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:55:37,417 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:55:37,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-06 22:55:37,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071888859] [2021-06-06 22:55:37,418 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 22:55:37,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:55:37,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 22:55:37,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=895, Unknown=0, NotChecked=0, Total=992 [2021-06-06 22:55:37,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:55:37,419 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:55:37,419 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) [2021-06-06 22:55:37,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:55:37,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:55:37,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:55:37,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:55:37,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:55:37,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:55:37,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:55:38,290 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 47 [2021-06-06 22:55:38,745 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2021-06-06 22:55:39,058 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2021-06-06 22:55:39,455 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 73 [2021-06-06 22:55:39,763 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 85 [2021-06-06 22:55:40,678 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 128 [2021-06-06 22:55:43,224 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 230 DAG size of output: 123 [2021-06-06 22:55:47,716 WARN L205 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 533 DAG size of output: 162 [2021-06-06 22:55:48,032 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-06-06 22:55:48,300 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2021-06-06 22:55:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:55:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:55:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:55:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:55:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:55:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:55:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:55:48,810 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:55:48,810 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:55:48,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:55:48,811 INFO L82 PathProgramCache]: Analyzing trace with hash 109450182, now seen corresponding path program 6 times [2021-06-06 22:55:48,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:55:48,811 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514186576] [2021-06-06 22:55:48,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:55:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:55:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:55:48,922 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:55:48,922 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514186576] [2021-06-06 22:55:48,922 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514186576] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:55:48,922 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38718727] [2021-06-06 22:55:48,922 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 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 [2021-06-06 22:55:48,964 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 22:55:48,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:55:48,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 22:55:48,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:55:49,280 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:55:49,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38718727] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:55:49,281 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:55:49,281 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-06-06 22:55:49,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094180311] [2021-06-06 22:55:49,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 22:55:49,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:55:49,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 22:55:49,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2021-06-06 22:55:49,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:55:49,283 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:55:49,284 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.4482758620689653) internal successors, (71), 29 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:55:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:55:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:55:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:55:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:55:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:55:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:55:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:55:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:55:50,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:55:50,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:55:50,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:55:50,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:55:50,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:55:50,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:55:50,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:55:50,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 22:55:50,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:55:50,485 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:55:50,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:55:50,485 INFO L82 PathProgramCache]: Analyzing trace with hash -661749494, now seen corresponding path program 7 times [2021-06-06 22:55:50,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:55:50,485 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449299976] [2021-06-06 22:55:50,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:55:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:55:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 31 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:55:50,613 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:55:50,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449299976] [2021-06-06 22:55:50,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449299976] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:55:50,614 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33130170] [2021-06-06 22:55:50,614 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-06-06 22:55:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:55:50,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 22:55:50,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:55:50,805 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 31 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:55:50,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33130170] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:55:50,805 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:55:50,805 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2021-06-06 22:55:50,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651077939] [2021-06-06 22:55:50,806 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 22:55:50,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:55:50,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 22:55:50,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2021-06-06 22:55:50,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:55:50,807 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:55:50,807 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.739130434782609) internal successors, (63), 23 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:55:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:55:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:55:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:55:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:55:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:55:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:55:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:55:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 22:55:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:55:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:55:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:55:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:55:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:55:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:55:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:55:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:55:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 22:55:50,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:55:51,184 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable232 [2021-06-06 22:55:51,185 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:55:51,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:55:51,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1618157528, now seen corresponding path program 8 times [2021-06-06 22:55:51,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:55:51,185 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194159829] [2021-06-06 22:55:51,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:55:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:55:54,630 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 145 [2021-06-06 22:55:54,865 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 54 [2021-06-06 22:58:20,975 WARN L205 SmtUtils]: Spent 2.44 m on a formula simplification. DAG size of input: 435 DAG size of output: 157 [2021-06-06 22:58:21,370 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 89 [2021-06-06 23:02:21,861 WARN L205 SmtUtils]: Spent 4.01 m on a formula simplification. DAG size of input: 553 DAG size of output: 268 [2021-06-06 23:02:22,703 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 115 [2021-06-06 23:07:29,946 WARN L205 SmtUtils]: Spent 5.12 m on a formula simplification. DAG size of input: 633 DAG size of output: 375 [2021-06-06 23:07:31,066 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 375 DAG size of output: 142 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown