/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.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 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 21:31:38,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 21:31:38,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 21:31:38,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 21:31:38,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf [2021-06-16 21:31:38,828 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 21:31:38,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 21:31:38,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 21:31:38,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 21:31:38,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 21:31:38,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 21:31:38,831 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 21:31:38,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 21:31:38,831 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 21:31:38,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 21:31:38,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 21:31:38,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 21:31:38,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 21:31:38,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 21:31:38,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 21:31:38,833 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 21:31:38,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 21:31:38,833 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 21:31:38,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 21:31:38,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 21:31:38,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 21:31:38,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 21:31:38,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 21:31:38,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 21:31:38,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 21:31:38,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 21:31:38,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 21:31:38,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 21:31:38,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 21:31:38,835 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 21:31:38,835 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 21:31:38,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 21:31:38,836 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 21:31:38,836 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 21:31:38,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 21:31:39,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 21:31:39,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 21:31:39,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 21:31:39,189 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 21:31:39,193 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 21:31:39,194 INFO L432 ainManager$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 [2021-06-16 21:31:39,194 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' [2021-06-16 21:31:39,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 21:31:39,229 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 21:31:39,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 21:31:39,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 21:31:39,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 21:31:39,241 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 16.06 09:31:39" (1/1) ... [2021-06-16 21:31:39,249 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 16.06 09:31:39" (1/1) ... [2021-06-16 21:31:39,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 21:31:39,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 21:31:39,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 21:31:39,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 21:31:39,263 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 16.06 09:31:39" (1/1) ... [2021-06-16 21:31:39,263 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 16.06 09:31:39" (1/1) ... [2021-06-16 21:31:39,264 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 16.06 09:31:39" (1/1) ... [2021-06-16 21:31:39,264 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 16.06 09:31:39" (1/1) ... [2021-06-16 21:31:39,268 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 16.06 09:31:39" (1/1) ... [2021-06-16 21:31:39,272 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 16.06 09:31:39" (1/1) ... [2021-06-16 21:31:39,273 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 16.06 09:31:39" (1/1) ... [2021-06-16 21:31:39,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 21:31:39,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 21:31:39,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 21:31:39,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 21:31:39,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:31:39" (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 [2021-06-16 21:31:39,339 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-16 21:31:39,339 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-16 21:31:39,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-16 21:31:39,339 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-16 21:31:39,339 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-16 21:31:39,340 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-16 21:31:39,340 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 21:31:39,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 21:31:39,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 21:31:39,340 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-16 21:31:39,340 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-16 21:31:39,340 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-16 21:31:39,341 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 21:31:39,587 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 21:31:39,588 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-16 21:31:39,589 INFO L202 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 09:31:39 BoogieIcfgContainer [2021-06-16 21:31:39,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 21:31:39,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 21:31:39,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 21:31:39,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 21:31:39,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:31:39" (1/2) ... [2021-06-16 21:31:39,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3fb105 and model type max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 09:31:39, skipping insertion in model container [2021-06-16 21:31:39,595 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 16.06 09:31:39" (2/2) ... [2021-06-16 21:31:39,596 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array-hom.wvr.bpl [2021-06-16 21:31:39,607 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 21:31:39,608 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 21:31:39,608 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 21:31:39,609 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 21:31:39,681 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-16 21:31:39,700 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 [2021-06-16 21:31:39,738 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 21:31:39,739 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 21:31:39,739 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 21:31:39,739 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 21:31:39,739 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 21:31:39,739 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 21:31:39,739 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 21:31:39,739 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 21:31:39,785 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:31:39,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:31:39,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-06-16 21:31:39,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:31:39,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857105602] [2021-06-16 21:31:39,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:31:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:31:40,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:31:40,005 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:31:40,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857105602] [2021-06-16 21:31:40,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857105602] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:31:40,006 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 21:31:40,006 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 21:31:40,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302358399] [2021-06-16 21:31:40,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 21:31:40,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:31:40,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 21:31:40,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 21:31:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:31:40,023 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:31:40,025 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:31:40,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:31:40,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:31:40,048 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 21:31:40,048 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:31:40,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:31:40,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-06-16 21:31:40,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:31:40,049 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806186765] [2021-06-16 21:31:40,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:31:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:31:40,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 21:31:40,089 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:31:40,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806186765] [2021-06-16 21:31:40,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806186765] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:31:40,090 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 21:31:40,090 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-16 21:31:40,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260729570] [2021-06-16 21:31:40,091 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 21:31:40,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:31:40,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 21:31:40,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-16 21:31:40,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:31:40,093 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:31:40,093 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:31:40,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:31:40,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:31:40,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:31:40,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:31:40,142 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 21:31:40,142 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:31:40,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:31:40,142 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-06-16 21:31:40,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:31:40,143 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140972798] [2021-06-16 21:31:40,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:31:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:31:40,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:31:40,630 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:31:40,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140972798] [2021-06-16 21:31:40,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140972798] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:31:40,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598633065] [2021-06-16 21:31:40,631 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 [2021-06-16 21:31:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:31:40,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-16 21:31:40,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:31:41,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-06-16 21:31:41,045 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:31:41,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-16 21:31:41,049 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 21:31:41,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-16 21:31:41,055 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 21:31:41,068 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:31:41,072 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 21:31:41,072 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:103, output treesize:21 [2021-06-16 21:31:41,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:31:41,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598633065] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:31:41,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:31:41,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-16 21:31:41,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539575661] [2021-06-16 21:31:41,130 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-16 21:31:41,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:31:41,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-16 21:31:41,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-16 21:31:41,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:31:41,132 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:31:41,132 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 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) [2021-06-16 21:31:41,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:31:41,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:31:41,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:31:41,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:31:41,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:31:41,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:31:41,530 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:31:41,531 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:31:41,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:31:41,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-06-16 21:31:41,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:31:41,532 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224340395] [2021-06-16 21:31:41,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:31:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:31:41,599 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:31:41,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:31:41,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224340395] [2021-06-16 21:31:41,603 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224340395] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:31:41,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874681492] [2021-06-16 21:31:41,604 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 [2021-06-16 21:31:41,646 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 21:31:41,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:31:41,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 21:31:41,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:31:41,766 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:31:41,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874681492] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:31:41,767 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:31:41,767 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-16 21:31:41,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375044895] [2021-06-16 21:31:41,767 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-16 21:31:41,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:31:41,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-16 21:31:41,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-16 21:31:41,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:31:41,769 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:31:41,769 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:31:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:31:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:31:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:31:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:31:41,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:31:41,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:31:41,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:31:41,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:31:42,194 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:31:42,194 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:31:42,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:31:42,195 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-06-16 21:31:42,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:31:42,195 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115936025] [2021-06-16 21:31:42,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:31:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:31:42,251 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 21:31:42,251 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:31:42,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115936025] [2021-06-16 21:31:42,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115936025] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:31:42,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411311337] [2021-06-16 21:31:42,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:31:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:31:42,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 21:31:42,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:31:42,385 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 21:31:42,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411311337] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:31:42,386 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:31:42,386 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-16 21:31:42,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771739987] [2021-06-16 21:31:42,387 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 21:31:42,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:31:42,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 21:31:42,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-16 21:31:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:31:42,388 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:31:42,388 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:31:42,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:31:42,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:31:42,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:31:42,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:31:42,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:31:42,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:31:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:31:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:31:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:31:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:31:42,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:31:42,705 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:31:42,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:31:42,705 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-06-16 21:31:42,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:31:42,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455992652] [2021-06-16 21:31:42,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:31:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:31:43,435 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2021-06-16 21:31:43,859 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-06-16 21:31:44,147 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-06-16 21:31:44,348 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-06-16 21:31:44,545 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-06-16 21:31:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:31:44,691 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:31:44,691 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455992652] [2021-06-16 21:31:44,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455992652] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:31:44,692 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710579782] [2021-06-16 21:31:44,692 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:31:44,741 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 21:31:44,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:31:44,743 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-16 21:31:44,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:31:46,314 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-06-16 21:31:48,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:48,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:48,413 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-16 21:31:48,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-16 21:31:48,427 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:31:48,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:48,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:48,512 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-16 21:31:48,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-16 21:31:48,519 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 21:31:50,321 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 350 [2021-06-16 21:31:50,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:31:50,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:50,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:50,419 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-16 21:31:50,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 35 [2021-06-16 21:31:50,434 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 21:31:50,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:50,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:50,516 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-16 21:31:50,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 50 [2021-06-16 21:31:50,528 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 21:31:52,398 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 341 [2021-06-16 21:31:52,398 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:31:52,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:52,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:52,503 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:31:52,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-16 21:31:52,516 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 21:31:52,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:52,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:52,605 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-16 21:31:52,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 48 [2021-06-16 21:31:52,620 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 21:31:55,879 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-06-16 21:31:55,881 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.2 percent of original size [2021-06-16 21:31:55,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:55,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:55,957 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-16 21:31:55,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-16 21:31:55,976 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 21:31:56,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:56,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:56,082 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-16 21:31:56,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-16 21:31:56,087 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 21:31:57,623 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 320 [2021-06-16 21:31:57,624 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:31:57,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:57,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:57,732 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-16 21:31:57,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 54 [2021-06-16 21:31:57,746 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 21:31:57,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:57,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:57,849 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-16 21:31:57,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-16 21:31:57,856 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 21:31:59,325 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 313 [2021-06-16 21:31:59,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:31:59,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:59,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:59,399 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-16 21:31:59,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 34 [2021-06-16 21:31:59,405 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 21:31:59,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:59,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:31:59,469 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-16 21:31:59,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 39 [2021-06-16 21:31:59,491 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:00,962 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 302 [2021-06-16 21:32:00,963 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:32:00,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:00,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:01,042 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-16 21:32:01,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 40 [2021-06-16 21:32:01,055 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:01,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:01,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:01,118 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-16 21:32:01,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 39 [2021-06-16 21:32:01,121 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:02,451 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 290 [2021-06-16 21:32:02,452 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:32:02,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:02,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:02,564 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-16 21:32:02,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-16 21:32:02,576 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:02,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:02,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:02,646 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-16 21:32:02,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-16 21:32:02,649 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:05,316 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 289 DAG size of output: 288 [2021-06-16 21:32:05,317 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.7 percent of original size [2021-06-16 21:32:05,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:05,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:05,392 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:32:05,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 60 [2021-06-16 21:32:05,415 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:05,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:05,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:05,483 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-16 21:32:05,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 31 [2021-06-16 21:32:05,487 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:06,767 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 273 [2021-06-16 21:32:06,768 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:32:06,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:06,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:06,851 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:32:06,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-16 21:32:06,883 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:06,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:06,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:06,972 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-16 21:32:06,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 62 [2021-06-16 21:32:06,998 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:09,435 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2021-06-16 21:32:09,436 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.1 percent of original size [2021-06-16 21:32:09,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:09,517 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-16 21:32:09,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-16 21:32:09,520 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:09,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:09,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:09,600 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-16 21:32:09,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 38 [2021-06-16 21:32:09,602 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:10,771 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 248 [2021-06-16 21:32:10,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:32:10,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:10,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:10,847 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-16 21:32:10,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-16 21:32:10,851 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:10,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:10,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:10,913 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-16 21:32:10,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 38 [2021-06-16 21:32:10,919 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:12,026 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 238 [2021-06-16 21:32:12,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:32:12,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:12,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:12,095 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-16 21:32:12,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 50 [2021-06-16 21:32:12,118 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:12,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:12,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:12,174 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-16 21:32:12,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 37 [2021-06-16 21:32:12,180 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:13,259 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 225 [2021-06-16 21:32:13,260 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:32:13,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:13,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:13,328 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-16 21:32:13,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-16 21:32:13,333 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:13,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:13,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:13,397 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-16 21:32:13,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 50 [2021-06-16 21:32:13,425 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:14,429 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 214 [2021-06-16 21:32:14,429 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:32:14,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:14,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:14,495 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-16 21:32:14,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 49 [2021-06-16 21:32:14,514 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:14,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:14,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:14,580 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-16 21:32:14,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 48 [2021-06-16 21:32:14,587 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:15,594 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 199 [2021-06-16 21:32:15,594 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:32:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:15,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:15,656 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-16 21:32:15,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-16 21:32:15,668 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:15,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:15,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:15,705 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-16 21:32:15,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-16 21:32:15,708 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:16,597 WARN L205 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-06-16 21:32:16,598 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:32:16,918 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-16 21:32:16,919 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2233, output treesize:2097 [2021-06-16 21:32:17,650 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 59 [2021-06-16 21:32:17,806 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:32:17,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710579782] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:32:17,807 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:32:17,807 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-16 21:32:17,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824690269] [2021-06-16 21:32:17,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-16 21:32:17,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:32:17,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-16 21:32:17,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-16 21:32:17,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:32:17,809 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:32:17,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:32:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:32:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:32:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:32:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:32:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:32:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:32:18,127 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 51 [2021-06-16 21:32:18,316 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-06-16 21:32:18,664 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-06-16 21:32:18,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:32:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:32:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:32:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:32:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:32:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:32:18,965 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-16 21:32:18,965 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:32:18,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:32:18,966 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-06-16 21:32:18,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:32:18,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231272066] [2021-06-16 21:32:18,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:32:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:32:19,051 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:32:19,051 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:32:19,051 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231272066] [2021-06-16 21:32:19,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231272066] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:32:19,051 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457436188] [2021-06-16 21:32:19,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:32:19,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-16 21:32:19,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:32:19,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-16 21:32:19,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:32:19,271 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:32:19,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457436188] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:32:19,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:32:19,272 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-16 21:32:19,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272662958] [2021-06-16 21:32:19,273 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-16 21:32:19,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:32:19,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-16 21:32:19,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-16 21:32:19,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:32:19,274 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:32:19,274 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 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) [2021-06-16 21:32:19,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:32:19,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:32:19,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:32:19,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:32:19,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:32:19,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:32:19,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:32:19,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:32:19,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:32:19,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:32:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:32:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:32:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:32:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:32:19,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable276,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:32:19,930 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:32:19,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:32:19,930 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-06-16 21:32:19,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:32:19,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618985435] [2021-06-16 21:32:19,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:32:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:32:20,057 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 21:32:20,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:32:20,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618985435] [2021-06-16 21:32:20,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618985435] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:32:20,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449512935] [2021-06-16 21:32:20,057 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:32:20,090 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 21:32:20,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:32:20,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-16 21:32:20,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:32:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 21:32:20,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449512935] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:32:20,212 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:32:20,212 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-16 21:32:20,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560386599] [2021-06-16 21:32:20,212 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-16 21:32:20,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:32:20,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-16 21:32:20,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-16 21:32:20,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:32:20,213 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:32:20,213 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:32:20,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:32:20,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:32:20,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:32:20,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:32:20,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:32:20,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:32:20,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:32:20,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:32:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:32:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:32:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:32:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:32:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:32:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:32:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:32:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:32:20,568 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable277 [2021-06-16 21:32:20,569 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:32:20,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:32:20,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-06-16 21:32:20,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:32:20,569 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211890574] [2021-06-16 21:32:20,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:32:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:32:22,082 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 99 [2021-06-16 21:32:22,376 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 53 [2021-06-16 21:32:22,672 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2021-06-16 21:32:23,030 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 89 [2021-06-16 21:32:25,755 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 320 DAG size of output: 295 [2021-06-16 21:32:26,596 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 131 [2021-06-16 21:32:30,147 WARN L205 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 310 DAG size of output: 299 [2021-06-16 21:32:31,091 WARN L205 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 150 [2021-06-16 21:32:33,950 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 305 DAG size of output: 293 [2021-06-16 21:32:34,894 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 145 [2021-06-16 21:32:36,556 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 258 DAG size of output: 258 [2021-06-16 21:32:37,356 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 118 [2021-06-16 21:32:38,941 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 201 DAG size of output: 170 [2021-06-16 21:32:39,315 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 66 [2021-06-16 21:32:40,316 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 107 [2021-06-16 21:32:40,515 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2021-06-16 21:32:41,477 WARN L205 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 104 [2021-06-16 21:32:41,667 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 40 [2021-06-16 21:32:41,886 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 23 [2021-06-16 21:32:41,941 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:32:41,942 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:32:41,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211890574] [2021-06-16 21:32:41,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211890574] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:32:41,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044791393] [2021-06-16 21:32:41,942 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:32:41,992 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-16 21:32:41,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:32:41,993 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-16 21:32:41,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:32:44,036 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-16 21:32:45,549 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-16 21:32:48,019 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-16 21:32:49,973 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 365 [2021-06-16 21:32:51,863 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 367 [2021-06-16 21:32:53,523 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 366 [2021-06-16 21:32:55,154 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 380 [2021-06-16 21:32:57,321 WARN L205 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2021-06-16 21:32:58,200 INFO L446 ElimStorePlain]: Different costs {9=[v_prenex_160, v_prenex_162, v_prenex_140, v_prenex_120, v_prenex_142, v_prenex_164, v_prenex_144, v_prenex_166, v_prenex_122, v_prenex_146, v_prenex_124, v_prenex_168, v_prenex_126, v_prenex_148, v_prenex_128, v_prenex_150, v_prenex_130, v_prenex_154, v_prenex_132, v_prenex_111, v_prenex_134, v_prenex_156, v_prenex_158, v_prenex_114, v_prenex_136, v_prenex_138, v_prenex_116, v_prenex_107, A, v_prenex_109], 15=[v_prenex_118, v_prenex_152]} [2021-06-16 21:32:58,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:32:58,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:58,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:58,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:58,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:58,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:32:58,292 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 [2021-06-16 21:32:58,295 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:32:58,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:32:58,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:58,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:58,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:58,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:32:58,349 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 48 treesize of output 28 [2021-06-16 21:32:58,352 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:05,793 WARN L205 SmtUtils]: Spent 7.44 s on a formula simplification. DAG size of input: 807 DAG size of output: 753 [2021-06-16 21:33:05,795 INFO L628 ElimStorePlain]: treesize reduction 1224, result has 68.9 percent of original size [2021-06-16 21:33:05,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:05,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:05,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:05,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:05,884 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 [2021-06-16 21:33:05,886 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:05,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:05,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:05,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:05,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:05,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:05,927 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 [2021-06-16 21:33:05,935 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:08,976 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification that was a NOOP. DAG size: 739 [2021-06-16 21:33:08,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:09,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:09,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:09,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:09,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:09,036 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 [2021-06-16 21:33:09,038 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:09,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:09,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:09,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:09,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:09,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:09,087 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 [2021-06-16 21:33:09,088 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:11,992 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 723 [2021-06-16 21:33:11,993 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:12,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:12,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:12,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:12,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:12,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:12,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:12,052 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 [2021-06-16 21:33:12,053 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:12,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:12,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:12,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:12,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:12,111 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 [2021-06-16 21:33:12,113 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:14,802 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 707 [2021-06-16 21:33:14,802 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:14,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:14,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:14,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:14,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:14,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:14,842 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 [2021-06-16 21:33:14,844 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:17,447 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification that was a NOOP. DAG size: 693 [2021-06-16 21:33:17,448 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:17,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:17,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:17,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:17,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:17,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:17,486 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 [2021-06-16 21:33:17,488 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:19,896 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 678 [2021-06-16 21:33:19,897 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:19,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:19,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:19,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:19,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:19,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:19,932 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 [2021-06-16 21:33:19,933 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:22,393 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 663 [2021-06-16 21:33:22,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:22,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:22,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:22,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:22,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:22,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:22,443 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 [2021-06-16 21:33:22,445 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:24,807 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 648 [2021-06-16 21:33:24,808 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:24,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:24,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:24,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:24,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:24,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:24,847 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 [2021-06-16 21:33:24,848 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:27,187 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 633 [2021-06-16 21:33:27,188 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:27,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:27,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:27,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:27,239 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 [2021-06-16 21:33:27,241 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:27,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:27,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:27,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:27,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:27,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:27,278 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 [2021-06-16 21:33:27,280 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:29,428 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 618 [2021-06-16 21:33:29,428 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:29,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:29,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:29,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:29,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:29,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:29,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:29,477 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 [2021-06-16 21:33:29,479 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:29,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:29,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:29,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:29,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:29,512 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 [2021-06-16 21:33:29,515 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:31,500 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 601 [2021-06-16 21:33:31,501 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:31,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:31,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:31,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:31,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:31,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:31,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:31,549 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 [2021-06-16 21:33:31,551 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:31,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:31,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:31,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:31,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:31,582 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 [2021-06-16 21:33:31,584 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:33,480 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 585 [2021-06-16 21:33:33,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:33,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:33,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:33,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:33,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:33,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:33,512 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 [2021-06-16 21:33:33,513 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:35,368 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 570 [2021-06-16 21:33:35,369 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:35,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,419 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 [2021-06-16 21:33:35,421 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:35,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:35,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,452 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 [2021-06-16 21:33:35,454 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:37,250 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 553 [2021-06-16 21:33:37,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:37,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:37,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:37,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:37,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:37,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:37,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:37,297 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 [2021-06-16 21:33:37,300 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:37,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:37,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:37,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:37,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:37,329 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 [2021-06-16 21:33:37,331 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:39,025 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 536 [2021-06-16 21:33:39,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:39,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:39,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:39,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:39,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:39,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:39,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:39,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-06-16 21:33:39,072 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:39,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:39,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:39,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:39,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:39,101 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 [2021-06-16 21:33:39,102 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:40,693 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 519 [2021-06-16 21:33:40,694 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:40,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:40,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:40,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:40,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:40,738 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 [2021-06-16 21:33:40,740 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:40,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:40,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:40,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:40,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:40,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:40,770 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 [2021-06-16 21:33:40,771 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:42,255 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 502 [2021-06-16 21:33:42,256 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:42,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:42,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:42,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:42,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:42,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:42,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-06-16 21:33:42,286 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:43,726 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 488 [2021-06-16 21:33:43,727 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:43,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:43,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:43,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:43,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:43,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:43,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-06-16 21:33:43,755 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:45,137 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 473 [2021-06-16 21:33:45,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:45,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:45,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:45,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:45,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:45,180 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 [2021-06-16 21:33:45,183 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:45,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:45,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:45,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:45,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:45,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:45,213 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 [2021-06-16 21:33:45,215 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:46,495 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 456 [2021-06-16 21:33:46,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:46,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:46,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:46,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:46,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:46,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:46,523 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 [2021-06-16 21:33:46,524 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:47,810 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 441 [2021-06-16 21:33:47,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:47,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:47,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:47,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:47,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:47,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:47,837 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 [2021-06-16 21:33:47,838 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:49,052 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 426 [2021-06-16 21:33:49,052 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:49,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:49,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:49,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:49,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:49,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:49,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:49,090 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 [2021-06-16 21:33:49,092 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:49,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:49,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:49,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:49,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:49,116 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 [2021-06-16 21:33:49,117 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:50,280 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 409 [2021-06-16 21:33:50,280 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:50,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:50,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:50,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:50,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:50,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:50,307 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 [2021-06-16 21:33:50,309 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:51,412 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 394 [2021-06-16 21:33:51,412 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:51,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:51,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:51,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:51,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:51,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:51,434 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 [2021-06-16 21:33:51,436 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:52,516 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 379 [2021-06-16 21:33:52,516 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:52,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:52,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:52,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:52,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:52,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:52,541 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 [2021-06-16 21:33:52,543 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:53,575 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-16 21:33:53,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:53,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:53,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:53,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:53,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:53,609 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 [2021-06-16 21:33:53,611 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:53,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:53,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:53,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:53,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:53,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:53,631 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 [2021-06-16 21:33:53,632 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:54,579 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2021-06-16 21:33:54,580 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:54,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:54,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:54,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:54,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:54,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:54,603 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 [2021-06-16 21:33:54,604 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:55,512 WARN L205 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2021-06-16 21:33:55,513 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:55,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:55,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:55,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:55,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:55,545 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 [2021-06-16 21:33:55,546 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:55,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:55,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:55,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:55,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:55,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:55,578 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 [2021-06-16 21:33:55,579 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:56,433 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2021-06-16 21:33:56,434 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:56,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:56,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:56,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:56,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:56,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:56,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:56,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-06-16 21:33:56,466 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:56,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:56,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:56,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:56,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:56,487 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 [2021-06-16 21:33:56,489 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:57,267 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-06-16 21:33:57,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:57,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:57,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:57,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:57,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:57,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:57,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:57,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:57,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:57,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:57,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:57,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:57,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:57,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:57,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:57,293 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 42 treesize of output 22 [2021-06-16 21:33:57,305 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:58,033 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-06-16 21:33:58,033 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:58,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:58,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:58,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:58,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:58,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:58,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:58,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:58,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:58,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:58,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:58,057 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 [2021-06-16 21:33:58,059 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:58,748 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-16 21:33:58,749 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:58,779 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 21 xjuncts. [2021-06-16 21:33:58,779 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:226 [2021-06-16 21:33:59,003 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:33:59,003 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044791393] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:33:59,003 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:33:59,003 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-16 21:33:59,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431078878] [2021-06-16 21:33:59,004 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-16 21:33:59,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:33:59,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-16 21:33:59,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2021-06-16 21:33:59,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:59,005 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:33:59,005 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) [2021-06-16 21:33:59,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:33:59,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:33:59,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:33:59,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:33:59,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:33:59,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:33:59,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:33:59,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:33:59,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:59,556 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 35 [2021-06-16 21:33:59,958 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 46 [2021-06-16 21:34:00,431 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-06-16 21:34:00,680 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 66 [2021-06-16 21:34:00,990 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 67 [2021-06-16 21:34:01,302 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 85 [2021-06-16 21:34:02,210 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 127 [2021-06-16 21:34:04,638 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 238 DAG size of output: 123 [2021-06-16 21:34:08,559 WARN L205 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 540 DAG size of output: 162 [2021-06-16 21:34:08,952 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-06-16 21:34:09,634 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-06-16 21:34:09,987 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-06-16 21:34:10,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:34:10,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:34:10,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:34:10,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:34:10,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:34:10,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:34:10,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:34:10,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:34:10,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:34:10,293 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable278 [2021-06-16 21:34:10,293 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:34:10,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:34:10,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1933198930, now seen corresponding path program 6 times [2021-06-16 21:34:10,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:34:10,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221399102] [2021-06-16 21:34:10,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:34:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:34:10,443 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:34:10,443 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:34:10,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221399102] [2021-06-16 21:34:10,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221399102] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:34:10,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729986618] [2021-06-16 21:34:10,443 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:34:10,488 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-16 21:34:10,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:34:10,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-16 21:34:10,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:34:10,755 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:34:10,755 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729986618] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:34:10,755 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:34:10,755 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-16 21:34:10,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492439443] [2021-06-16 21:34:10,755 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-16 21:34:10,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:34:10,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-16 21:34:10,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-16 21:34:10,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:34:10,756 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:34:10,756 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:34:10,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:34:10,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:34:10,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:34:10,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:34:10,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:34:10,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:34:10,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:34:10,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:34:10,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:34:10,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:34:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:34:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:34:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:34:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:34:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:34:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:34:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:34:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:34:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:34:10,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 21:34:11,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable434,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:34:11,197 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:34:11,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:34:11,197 INFO L82 PathProgramCache]: Analyzing trace with hash 976790896, now seen corresponding path program 7 times [2021-06-16 21:34:11,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:34:11,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276951093] [2021-06-16 21:34:11,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:34:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:34:14,520 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 47 [2021-06-16 21:34:15,537 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 122 [2021-06-16 21:34:15,792 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 44 [2021-06-16 21:34:22,155 WARN L205 SmtUtils]: Spent 6.36 s on a formula simplification. DAG size of input: 419 DAG size of output: 328 [2021-06-16 21:34:22,823 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 70 [2021-06-16 21:36:28,342 WARN L205 SmtUtils]: Spent 2.09 m on a formula simplification. DAG size of input: 701 DAG size of output: 581 [2021-06-16 21:36:28,463 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 581 [2021-06-16 21:36:30,446 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 581 DAG size of output: 126 [2021-06-16 21:40:36,419 WARN L205 SmtUtils]: Spent 4.10 m on a formula simplification. DAG size of input: 759 DAG size of output: 752 [2021-06-16 21:40:39,563 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 751 DAG size of output: 179 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown