/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 14:02:40,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 14:02:40,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 14:02:40,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 14:02:41,020 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 14:02:41,067 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 14:02:41,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 14:02:41,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 14:02:41,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 14:02:41,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 14:02:41,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 14:02:41,070 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 14:02:41,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 14:02:41,071 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 14:02:41,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 14:02:41,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 14:02:41,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 14:02:41,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 14:02:41,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 14:02:41,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 14:02:41,072 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 14:02:41,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 14:02:41,072 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 14:02:41,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 14:02:41,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 14:02:41,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 14:02:41,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 14:02:41,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 14:02:41,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 14:02:41,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 14:02:41,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 14:02:41,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 14:02:41,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 14:02:41,074 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 14:02:41,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 14:02:41,074 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 14:02:41,074 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 14:02:41,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 14:02:41,074 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 14:02:41,075 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 14:02:41,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 14:02:41,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 14:02:41,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 14:02:41,375 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 14:02:41,376 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 14:02:41,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2021-07-14 14:02:41,377 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2021-07-14 14:02:41,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 14:02:41,420 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 14:02:41,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 14:02:41,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 14:02:41,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 14:02:41,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:41" (1/1) ... [2021-07-14 14:02:41,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:41" (1/1) ... [2021-07-14 14:02:41,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 14:02:41,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 14:02:41,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 14:02:41,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 14:02:41,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:41" (1/1) ... [2021-07-14 14:02:41,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:41" (1/1) ... [2021-07-14 14:02:41,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:41" (1/1) ... [2021-07-14 14:02:41,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:41" (1/1) ... [2021-07-14 14:02:41,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:41" (1/1) ... [2021-07-14 14:02:41,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:41" (1/1) ... [2021-07-14 14:02:41,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:41" (1/1) ... [2021-07-14 14:02:41,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 14:02:41,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 14:02:41,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 14:02:41,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 14:02:41,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 14:02:41,647 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 14:02:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 14:02:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 14:02:41,647 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 14:02:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 14:02:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 14:02:41,648 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 14:02:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 14:02:41,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 14:02:41,649 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 14:02:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 14:02:41,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 14:02:41,650 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 14:02:41,868 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 14:02:41,868 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 14:02:41,870 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:02:41 BoogieIcfgContainer [2021-07-14 14:02:41,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 14:02:41,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 14:02:41,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 14:02:41,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 14:02:41,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:02:41" (1/2) ... [2021-07-14 14:02:41,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c7fa812 and model type max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:02:41, skipping insertion in model container [2021-07-14 14:02:41,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:02:41" (2/2) ... [2021-07-14 14:02:41,875 INFO L111 eAbstractionObserver]: Analyzing ICFG max-fun.wvr.bpl [2021-07-14 14:02:41,878 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 14:02:41,878 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 14:02:41,878 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 14:02:41,879 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 14:02:41,936 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 14:02:41,955 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 14:02:42,103 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 14:02:42,104 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 14:02:42,104 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 14:02:42,104 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 14:02:42,104 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 14:02:42,104 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 14:02:42,104 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 14:02:42,104 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 14:02:42,191 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:02:42,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:02:42,212 INFO L82 PathProgramCache]: Analyzing trace with hash 107147796, now seen corresponding path program 1 times [2021-07-14 14:02:42,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:02:42,228 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230781906] [2021-07-14 14:02:42,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:02:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:02:42,406 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:02:42,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230781906] [2021-07-14 14:02:42,407 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230781906] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 14:02:42,407 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 14:02:42,407 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 14:02:42,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443582362] [2021-07-14 14:02:42,411 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 14:02:42,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:02:42,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 14:02:42,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 14:02:42,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:42,423 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:02:42,425 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) [2021-07-14 14:02:42,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:42,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:42,453 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 14:02:42,453 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:02:42,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:02:42,455 INFO L82 PathProgramCache]: Analyzing trace with hash 597095090, now seen corresponding path program 1 times [2021-07-14 14:02:42,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:02:42,456 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399390047] [2021-07-14 14:02:42,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:02:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:42,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 14:02:42,518 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:02:42,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399390047] [2021-07-14 14:02:42,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399390047] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 14:02:42,519 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 14:02:42,519 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 14:02:42,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070736531] [2021-07-14 14:02:42,520 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 14:02:42,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:02:42,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 14:02:42,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 14:02:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:42,522 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:02:42,522 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) [2021-07-14 14:02:42,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:42,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:42,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:42,573 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 14:02:42,573 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:02:42,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:02:42,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1592437936, now seen corresponding path program 1 times [2021-07-14 14:02:42,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:02:42,574 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736794007] [2021-07-14 14:02:42,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:02:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:02:42,992 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:02:42,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736794007] [2021-07-14 14:02:42,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736794007] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:02:42,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162231960] [2021-07-14 14:02:42,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:02:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:43,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 14:02:43,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:02:43,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:02:43,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:02:43,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2021-07-14 14:02:43,338 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 14:02:43,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:02:43,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:02:43,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-14 14:02:43,344 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 14:02:43,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:02:43,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-14 14:02:43,348 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 14:02:43,360 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:02:43,363 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 14:02:43,363 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-07-14 14:02:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:02:43,409 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162231960] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:02:43,409 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:02:43,410 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 14:02:43,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427653550] [2021-07-14 14:02:43,410 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 14:02:43,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:02:43,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 14:02:43,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-07-14 14:02:43,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:43,412 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:02:43,412 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:02:43,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:43,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:43,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:02:43,787 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:02:43,788 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:02:43,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:02:43,788 INFO L82 PathProgramCache]: Analyzing trace with hash 217830638, now seen corresponding path program 2 times [2021-07-14 14:02:43,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:02:43,788 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581481303] [2021-07-14 14:02:43,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:02:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:43,837 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:02:43,837 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:02:43,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581481303] [2021-07-14 14:02:43,837 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581481303] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:02:43,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087559737] [2021-07-14 14:02:43,837 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 [2021-07-14 14:02:43,891 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 14:02:43,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:02:43,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 14:02:43,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:02:43,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:02:43,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087559737] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:02:43,971 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:02:43,971 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 14:02:43,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900814044] [2021-07-14 14:02:43,971 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 14:02:43,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:02:43,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 14:02:43,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-14 14:02:43,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:43,972 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:02:43,972 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) [2021-07-14 14:02:43,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:43,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:43,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:02:43,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:44,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:02:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:02:44,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 14:02:44,308 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:02:44,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:02:44,309 INFO L82 PathProgramCache]: Analyzing trace with hash -537545550, now seen corresponding path program 1 times [2021-07-14 14:02:44,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:02:44,309 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930452078] [2021-07-14 14:02:44,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:02:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:44,351 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 14:02:44,351 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:02:44,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930452078] [2021-07-14 14:02:44,351 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930452078] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:02:44,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218539271] [2021-07-14 14:02:44,351 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 [2021-07-14 14:02:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:44,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 14:02:44,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:02:44,473 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 14:02:44,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218539271] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:02:44,474 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:02:44,474 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 14:02:44,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369195401] [2021-07-14 14:02:44,474 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 14:02:44,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:02:44,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 14:02:44,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-14 14:02:44,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:44,476 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:02:44,476 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:02:44,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:44,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:44,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:02:44,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:02:44,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:44,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:44,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:44,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:02:44,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:02:44,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:02:44,774 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:02:44,774 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:02:44,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:02:44,775 INFO L82 PathProgramCache]: Analyzing trace with hash -246413360, now seen corresponding path program 2 times [2021-07-14 14:02:44,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:02:44,775 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534056290] [2021-07-14 14:02:44,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:02:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:45,583 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-07-14 14:02:45,833 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-14 14:02:46,081 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-07-14 14:02:46,257 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2021-07-14 14:02:46,399 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2021-07-14 14:02:46,489 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:02:46,489 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:02:46,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534056290] [2021-07-14 14:02:46,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534056290] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:02:46,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041049221] [2021-07-14 14:02:46,489 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 [2021-07-14 14:02:46,526 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 14:02:46,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:02:46,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 14:02:46,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:02:53,977 WARN L205 SmtUtils]: Spent 6.91 s on a formula simplification that was a NOOP. DAG size: 67 [2021-07-14 14:02:54,291 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-07-14 14:02:54,643 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-14 14:02:54,943 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-07-14 14:02:55,770 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-07-14 14:02:56,473 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2021-07-14 14:02:57,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:02:57,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:02:57,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:02:58,045 INFO L354 Elim1Store]: treesize reduction 18, result has 71.4 percent of original size [2021-07-14 14:02:58,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 33 treesize of output 63 [2021-07-14 14:02:58,069 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 14:02:58,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:02:58,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:02:58,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:02:58,185 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 14:02:58,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 72 [2021-07-14 14:02:58,194 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:00,191 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 424 [2021-07-14 14:03:00,192 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:00,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:00,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:00,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:00,335 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-14 14:03:00,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 48 treesize of output 60 [2021-07-14 14:03:00,342 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:00,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:00,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:00,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:00,478 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 14:03:00,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 53 treesize of output 71 [2021-07-14 14:03:00,499 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:02,848 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 419 [2021-07-14 14:03:02,848 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:02,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:02,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:02,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:03,017 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-07-14 14:03:03,018 INFO L354 Elim1Store]: treesize reduction 4, result has 93.7 percent of original size [2021-07-14 14:03:03,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 80 [2021-07-14 14:03:03,063 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:03,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:03,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:03,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:03,193 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:03,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 87 [2021-07-14 14:03:03,211 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:07,860 WARN L205 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 431 DAG size of output: 411 [2021-07-14 14:03:07,861 INFO L628 ElimStorePlain]: treesize reduction 85, result has 96.3 percent of original size [2021-07-14 14:03:07,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:07,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:07,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:07,988 INFO L354 Elim1Store]: treesize reduction 22, result has 65.1 percent of original size [2021-07-14 14:03:07,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 33 treesize of output 59 [2021-07-14 14:03:08,006 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:08,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:08,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:08,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:08,092 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:08,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 28 treesize of output 78 [2021-07-14 14:03:08,136 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:09,910 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 404 [2021-07-14 14:03:09,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:09,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:09,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:09,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:10,053 INFO L354 Elim1Store]: treesize reduction 22, result has 65.1 percent of original size [2021-07-14 14:03:10,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 62 [2021-07-14 14:03:10,083 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:10,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:10,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:10,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:10,204 INFO L354 Elim1Store]: treesize reduction 4, result has 93.7 percent of original size [2021-07-14 14:03:10,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 83 [2021-07-14 14:03:10,223 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:13,641 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 407 DAG size of output: 397 [2021-07-14 14:03:13,645 INFO L628 ElimStorePlain]: treesize reduction 34, result has 98.4 percent of original size [2021-07-14 14:03:13,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:13,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:13,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:13,766 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-14 14:03:13,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 60 [2021-07-14 14:03:13,782 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:13,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:13,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:13,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:13,906 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 14:03:13,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 33 treesize of output 65 [2021-07-14 14:03:13,925 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:15,628 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 389 [2021-07-14 14:03:15,629 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:15,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:15,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:15,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:15,758 INFO L354 Elim1Store]: treesize reduction 8, result has 87.3 percent of original size [2021-07-14 14:03:15,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 53 treesize of output 79 [2021-07-14 14:03:15,781 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:15,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:15,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:15,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:15,880 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 14:03:15,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 48 treesize of output 68 [2021-07-14 14:03:15,890 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:21,221 WARN L205 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 399 DAG size of output: 396 [2021-07-14 14:03:21,223 INFO L628 ElimStorePlain]: treesize reduction 21, result has 99.0 percent of original size [2021-07-14 14:03:21,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:21,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:21,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:21,371 INFO L354 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2021-07-14 14:03:21,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 43 treesize of output 59 [2021-07-14 14:03:21,378 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:21,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:21,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:21,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:21,497 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 14:03:21,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 64 [2021-07-14 14:03:21,511 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:23,675 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 387 [2021-07-14 14:03:23,676 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:23,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:23,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:23,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:23,807 INFO L354 Elim1Store]: treesize reduction 30, result has 52.4 percent of original size [2021-07-14 14:03:23,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 54 [2021-07-14 14:03:23,812 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:23,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:23,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:23,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:23,937 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 14:03:23,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 67 [2021-07-14 14:03:23,969 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:26,117 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 387 [2021-07-14 14:03:26,117 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:26,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:26,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:26,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:26,257 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 14:03:26,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 39 treesize of output 61 [2021-07-14 14:03:26,287 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:26,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:26,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:26,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:26,404 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 14:03:26,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 64 [2021-07-14 14:03:26,443 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:28,477 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 379 [2021-07-14 14:03:28,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:28,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:28,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:28,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:28,633 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 14:03:28,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 75 [2021-07-14 14:03:28,649 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:28,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:28,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:28,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:28,780 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 14:03:28,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 72 [2021-07-14 14:03:28,824 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:32,905 WARN L205 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 379 DAG size of output: 376 [2021-07-14 14:03:32,907 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.8 percent of original size [2021-07-14 14:03:32,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:32,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:32,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:33,029 INFO L354 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2021-07-14 14:03:33,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 37 treesize of output 55 [2021-07-14 14:03:33,037 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:33,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:33,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:33,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:33,143 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-14 14:03:33,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 42 treesize of output 60 [2021-07-14 14:03:33,151 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:34,949 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 373 [2021-07-14 14:03:34,950 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:03:34,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:34,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:34,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:35,049 INFO L354 Elim1Store]: treesize reduction 34, result has 46.0 percent of original size [2021-07-14 14:03:35,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 50 [2021-07-14 14:03:35,052 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:35,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:35,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:35,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:35,151 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 14:03:35,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 75 [2021-07-14 14:03:35,164 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:38,673 WARN L205 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 387 DAG size of output: 385 [2021-07-14 14:03:38,674 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.6 percent of original size [2021-07-14 14:03:38,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:38,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:38,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:38,789 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 14:03:38,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 64 [2021-07-14 14:03:38,798 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:38,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:38,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:38,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:38,891 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 14:03:38,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 71 [2021-07-14 14:03:38,898 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:42,090 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 379 DAG size of output: 375 [2021-07-14 14:03:42,091 INFO L628 ElimStorePlain]: treesize reduction 19, result has 99.1 percent of original size [2021-07-14 14:03:42,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:42,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:42,193 INFO L354 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2021-07-14 14:03:42,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 58 [2021-07-14 14:03:42,205 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:42,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:42,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:42,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:42,304 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 14:03:42,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 67 [2021-07-14 14:03:42,327 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:45,478 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 377 DAG size of output: 372 [2021-07-14 14:03:45,479 INFO L628 ElimStorePlain]: treesize reduction 40, result has 98.0 percent of original size [2021-07-14 14:03:45,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:45,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:45,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:45,593 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 14:03:45,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 47 treesize of output 71 [2021-07-14 14:03:45,600 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:45,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:45,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:45,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:03:45,679 INFO L354 Elim1Store]: treesize reduction 30, result has 52.4 percent of original size [2021-07-14 14:03:45,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 42 treesize of output 54 [2021-07-14 14:03:45,684 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 14:03:48,700 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 373 DAG size of output: 371 [2021-07-14 14:03:48,701 INFO L628 ElimStorePlain]: treesize reduction 11, result has 99.4 percent of original size [2021-07-14 14:03:49,388 INFO L550 ElimStorePlain]: Start of recursive call 1: 33 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-07-14 14:03:49,389 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 49 variables, input treesize:2313, output treesize:3363 [2021-07-14 14:03:51,028 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 270 DAG size of output: 118 [2021-07-14 14:03:51,221 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:03:51,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041049221] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:03:51,221 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:03:51,221 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-07-14 14:03:51,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479705450] [2021-07-14 14:03:51,222 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 14:03:51,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:03:51,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 14:03:51,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2021-07-14 14:03:51,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:03:51,222 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:03:51,222 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) [2021-07-14 14:03:51,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:03:51,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:03:51,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:03:51,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:03:51,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:03:51,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:03:52,131 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 55 [2021-07-14 14:03:52,472 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 41 [2021-07-14 14:03:57,775 WARN L205 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 136 DAG size of output: 101 [2021-07-14 14:03:58,116 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 56 [2021-07-14 14:04:02,103 WARN L205 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 137 DAG size of output: 98 [2021-07-14 14:04:05,402 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 287 DAG size of output: 194 [2021-07-14 14:04:08,957 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 230 DAG size of output: 104 [2021-07-14 14:04:12,802 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 192 DAG size of output: 108 [2021-07-14 14:04:13,943 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 131 DAG size of output: 101 [2021-07-14 14:04:15,921 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 231 DAG size of output: 101 [2021-07-14 14:04:24,663 WARN L205 SmtUtils]: Spent 8.63 s on a formula simplification. DAG size of input: 193 DAG size of output: 115 [2021-07-14 14:04:26,808 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 230 DAG size of output: 178 [2021-07-14 14:04:28,768 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 227 DAG size of output: 98 [2021-07-14 14:04:37,677 WARN L205 SmtUtils]: Spent 8.76 s on a formula simplification. DAG size of input: 176 DAG size of output: 112 [2021-07-14 14:04:37,986 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2021-07-14 14:04:38,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:04:38,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:04:38,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:04:38,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:04:38,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:04:38,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:04:38,322 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 14:04:38,322 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:04:38,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:04:38,323 INFO L82 PathProgramCache]: Analyzing trace with hash 358746990, now seen corresponding path program 3 times [2021-07-14 14:04:38,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:04:38,323 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040653175] [2021-07-14 14:04:38,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:04:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:04:38,412 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:04:38,413 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:04:38,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040653175] [2021-07-14 14:04:38,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040653175] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:04:38,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572329976] [2021-07-14 14:04:38,413 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 [2021-07-14 14:04:38,448 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 14:04:38,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:04:38,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 14:04:38,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:04:38,608 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:04:38,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572329976] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:04:38,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:04:38,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-14 14:04:38,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726983249] [2021-07-14 14:04:38,610 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 14:04:38,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:04:38,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 14:04:38,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-14 14:04:38,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:04:38,610 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:04:38,610 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) [2021-07-14 14:04:38,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:04:38,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:04:38,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:04:38,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:04:38,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:04:38,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:04:38,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:04:39,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:04:39,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:04:39,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:04:39,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:04:39,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:04:39,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:04:39,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:04:39,277 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable499 [2021-07-14 14:04:39,277 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:04:39,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:04:39,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1163701042, now seen corresponding path program 4 times [2021-07-14 14:04:39,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:04:39,278 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243245701] [2021-07-14 14:04:39,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:04:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:04:39,346 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 14:04:39,346 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:04:39,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243245701] [2021-07-14 14:04:39,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243245701] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:04:39,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61652660] [2021-07-14 14:04:39,346 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 [2021-07-14 14:04:39,376 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 14:04:39,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:04:39,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 14:04:39,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:04:39,473 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 14:04:39,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61652660] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:04:39,474 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:04:39,474 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-14 14:04:39,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34178807] [2021-07-14 14:04:39,474 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 14:04:39,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:04:39,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 14:04:39,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-14 14:04:39,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:04:39,475 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:04:39,475 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 14:04:39,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:04:39,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:04:39,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:04:39,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:04:39,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:04:39,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:04:39,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:04:39,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:04:39,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:04:39,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:04:39,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:04:39,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:04:39,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:04:39,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:04:39,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:04:39,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:04:39,862 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable500,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:04:39,864 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:04:39,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:04:39,865 INFO L82 PathProgramCache]: Analyzing trace with hash -323420080, now seen corresponding path program 5 times [2021-07-14 14:04:39,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:04:39,865 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23233180] [2021-07-14 14:04:39,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:04:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:04:40,749 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 159 [2021-07-14 14:04:41,005 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 43 [2021-07-14 14:04:41,147 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 218 [2021-07-14 14:04:41,780 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 75 [2021-07-14 14:04:42,079 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 315 [2021-07-14 14:04:43,250 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 315 DAG size of output: 133 [2021-07-14 14:04:43,568 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 294 [2021-07-14 14:04:45,435 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 294 DAG size of output: 181 [2021-07-14 14:04:45,723 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 289 [2021-07-14 14:04:47,602 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 289 DAG size of output: 176 [2021-07-14 14:04:48,428 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 109 [2021-07-14 14:04:48,844 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 70 [2021-07-14 14:04:49,041 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2021-07-14 14:04:49,231 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2021-07-14 14:04:49,397 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:04:49,397 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:04:49,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23233180] [2021-07-14 14:04:49,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23233180] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:04:49,398 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900846995] [2021-07-14 14:04:49,398 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 [2021-07-14 14:04:49,441 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 14:04:49,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:04:49,442 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-14 14:04:49,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:04:51,534 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 119 [2021-07-14 14:04:53,258 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 355 [2021-07-14 14:04:55,278 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 364 [2021-07-14 14:04:57,208 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 365 [2021-07-14 14:04:59,199 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 367 [2021-07-14 14:05:01,138 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 366 [2021-07-14 14:05:03,123 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 380 [2021-07-14 14:05:05,542 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 379 [2021-07-14 14:05:06,391 INFO L446 ElimStorePlain]: Different costs {9=[v_prenex_120, v_prenex_122, v_prenex_100, v_prenex_124, v_prenex_102, v_prenex_90, v_prenex_126, v_prenex_104, v_prenex_128, v_prenex_106, v_prenex_94, v_prenex_92, v_prenex_98, v_prenex_96, v_prenex_79, v_prenex_77, v_prenex_130, v_prenex_132, v_prenex_110, v_prenex_134, v_prenex_112, v_prenex_114, v_prenex_136, v_prenex_116, v_prenex_138, v_prenex_108, v_prenex_81, v_prenex_86, v_prenex_84, v_prenex_88], 15=[v_prenex_118, A]} [2021-07-14 14:05:06,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:06,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:06,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:06,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:06,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:06,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:06,496 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 [2021-07-14 14:05:06,499 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:06,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:06,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:06,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:06,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:06,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:06,559 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 [2021-07-14 14:05:06,561 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:18,153 WARN L205 SmtUtils]: Spent 11.59 s on a formula simplification. DAG size of input: 807 DAG size of output: 753 [2021-07-14 14:05:18,155 INFO L628 ElimStorePlain]: treesize reduction 1220, result has 68.9 percent of original size [2021-07-14 14:05:18,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:18,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:18,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:18,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:18,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:18,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:18,239 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 [2021-07-14 14:05:18,241 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:18,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:18,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:18,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:18,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:18,298 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 [2021-07-14 14:05:18,300 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:22,500 WARN L205 SmtUtils]: Spent 4.20 s on a formula simplification that was a NOOP. DAG size: 739 [2021-07-14 14:05:22,501 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:22,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,589 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 [2021-07-14 14:05:22,592 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:22,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:22,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,647 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 [2021-07-14 14:05:22,649 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:26,398 WARN L205 SmtUtils]: Spent 3.75 s on a formula simplification that was a NOOP. DAG size: 723 [2021-07-14 14:05:26,398 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:26,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,492 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 [2021-07-14 14:05:26,494 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:26,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:26,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,550 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 [2021-07-14 14:05:26,551 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:30,334 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification that was a NOOP. DAG size: 706 [2021-07-14 14:05:30,335 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:30,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:30,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:30,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:30,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:30,425 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 [2021-07-14 14:05:30,427 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:30,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:30,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:30,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:30,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:30,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:30,481 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 [2021-07-14 14:05:30,484 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:33,867 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification that was a NOOP. DAG size: 689 [2021-07-14 14:05:33,868 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:33,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:33,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:33,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:33,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:33,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:33,927 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 49 treesize of output 25 [2021-07-14 14:05:33,929 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:37,370 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification that was a NOOP. DAG size: 676 [2021-07-14 14:05:37,371 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:37,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:37,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:37,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:37,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:37,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:37,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:37,453 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 [2021-07-14 14:05:37,455 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:37,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:37,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:37,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:37,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:37,509 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 [2021-07-14 14:05:37,511 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:40,809 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification that was a NOOP. DAG size: 661 [2021-07-14 14:05:40,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:40,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:40,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:40,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:40,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:40,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:40,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:40,887 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 [2021-07-14 14:05:40,890 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:40,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:40,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:40,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:40,941 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 [2021-07-14 14:05:40,943 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:44,066 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification that was a NOOP. DAG size: 644 [2021-07-14 14:05:44,067 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:44,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:44,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:44,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:44,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:44,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:44,148 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 [2021-07-14 14:05:44,151 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:44,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:44,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:44,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:44,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:44,205 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 [2021-07-14 14:05:44,208 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:47,015 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification that was a NOOP. DAG size: 628 [2021-07-14 14:05:47,015 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:47,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:47,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:47,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:47,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:47,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:47,061 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 [2021-07-14 14:05:47,064 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:49,753 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 613 [2021-07-14 14:05:49,754 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:49,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:49,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:49,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:49,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:49,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:49,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:49,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 14:05:49,829 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:49,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:49,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:49,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:49,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:49,878 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 [2021-07-14 14:05:49,880 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:52,528 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 597 [2021-07-14 14:05:52,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:52,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:52,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:52,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:52,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:52,603 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 [2021-07-14 14:05:52,607 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:52,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:52,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:52,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:52,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:52,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:52,649 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 [2021-07-14 14:05:52,651 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:55,208 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 580 [2021-07-14 14:05:55,209 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:55,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:55,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:55,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:55,282 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 [2021-07-14 14:05:55,284 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:55,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:55,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:55,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:55,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:55,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:55,331 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 [2021-07-14 14:05:55,332 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:57,620 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 564 [2021-07-14 14:05:57,621 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:57,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:57,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:57,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:57,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:57,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:57,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:05:57,689 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 [2021-07-14 14:05:57,692 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:57,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:57,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:57,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:57,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:57,738 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 40 treesize of output 22 [2021-07-14 14:05:57,740 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:00,004 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 547 [2021-07-14 14:06:00,004 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:00,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:00,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:00,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:00,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:00,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:00,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:00,046 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 [2021-07-14 14:06:00,048 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:02,137 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 532 [2021-07-14 14:06:02,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:02,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:02,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:02,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:02,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:02,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:02,186 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 [2021-07-14 14:06:02,188 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:04,165 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 517 [2021-07-14 14:06:04,166 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:04,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:04,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:04,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:04,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:04,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:04,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:04,209 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 [2021-07-14 14:06:04,211 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:06,158 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 502 [2021-07-14 14:06:06,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:06,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:06,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:06,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:06,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:06,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:06,199 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 [2021-07-14 14:06:06,201 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:08,113 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 487 [2021-07-14 14:06:08,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:08,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:08,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:08,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:08,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:08,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:08,156 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 [2021-07-14 14:06:08,158 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:10,011 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 472 [2021-07-14 14:06:10,012 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:10,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:10,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:10,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:10,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:10,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:10,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:10,067 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 [2021-07-14 14:06:10,069 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:10,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:10,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:10,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:10,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:10,106 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 [2021-07-14 14:06:10,108 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:11,804 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 455 [2021-07-14 14:06:11,804 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:11,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:11,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:11,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:11,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:11,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:11,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:11,859 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 [2021-07-14 14:06:11,861 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:11,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:11,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:11,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:11,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:11,896 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 [2021-07-14 14:06:11,899 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:13,414 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 438 [2021-07-14 14:06:13,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:13,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:13,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:13,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:13,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:13,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:13,450 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 [2021-07-14 14:06:13,452 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:14,947 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 423 [2021-07-14 14:06:14,948 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:14,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:14,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:14,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:14,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:14,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:14,981 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 [2021-07-14 14:06:14,982 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:16,438 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 408 [2021-07-14 14:06:16,438 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:16,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:16,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:16,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:16,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:16,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:16,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:16,489 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 [2021-07-14 14:06:16,490 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:16,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:16,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:16,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:16,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:16,525 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 [2021-07-14 14:06:16,527 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:17,900 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 391 [2021-07-14 14:06:17,900 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:17,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:17,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:17,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:17,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:17,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:17,934 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 [2021-07-14 14:06:17,936 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:19,257 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 376 [2021-07-14 14:06:19,258 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:19,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:19,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:19,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:19,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:19,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:19,288 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 [2021-07-14 14:06:19,289 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:20,569 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 361 [2021-07-14 14:06:20,570 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:20,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:20,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:20,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:20,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:20,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:20,600 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 [2021-07-14 14:06:20,602 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:21,826 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 346 [2021-07-14 14:06:21,827 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:21,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:21,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:21,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:21,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:21,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:21,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:21,874 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 [2021-07-14 14:06:21,877 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:21,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:21,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:21,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:21,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:21,908 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 [2021-07-14 14:06:21,910 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:23,041 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 329 [2021-07-14 14:06:23,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:23,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:23,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:23,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:23,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:23,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:23,073 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 [2021-07-14 14:06:23,075 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:24,149 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 314 [2021-07-14 14:06:24,150 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:24,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:24,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:24,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:24,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:24,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:24,171 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 [2021-07-14 14:06:24,172 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:25,013 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-07-14 14:06:25,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:25,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:25,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,043 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 [2021-07-14 14:06:25,045 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:25,892 WARN L205 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2021-07-14 14:06:25,892 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:25,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,918 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 [2021-07-14 14:06:25,920 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:26,762 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-07-14 14:06:26,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:26,790 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 22 xjuncts. [2021-07-14 14:06:26,791 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:236 [2021-07-14 14:06:27,066 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:06:27,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900846995] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:06:27,066 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:06:27,066 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-14 14:06:27,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449593151] [2021-07-14 14:06:27,066 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 14:06:27,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:06:27,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 14:06:27,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=895, Unknown=0, NotChecked=0, Total=992 [2021-07-14 14:06:27,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:06:27,067 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:06:27,067 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) [2021-07-14 14:06:27,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:06:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:06:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:06:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:06:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:06:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:06:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:06:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:06:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:06:27,959 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 43 [2021-07-14 14:06:28,563 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 58 [2021-07-14 14:06:28,929 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2021-07-14 14:06:29,247 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2021-07-14 14:06:29,640 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 72 [2021-07-14 14:06:30,049 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 85 [2021-07-14 14:06:31,237 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 134 [2021-07-14 14:06:31,745 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 93 [2021-07-14 14:06:34,735 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 265 DAG size of output: 123 [2021-07-14 14:06:40,152 WARN L205 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 568 DAG size of output: 304 [2021-07-14 14:06:42,994 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 185 DAG size of output: 130 [2021-07-14 14:06:43,845 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 173 [2021-07-14 14:06:44,115 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-14 14:06:44,670 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-14 14:06:45,952 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 175 [2021-07-14 14:06:46,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:06:46,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:06:46,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:06:46,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:06:46,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:06:46,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:06:46,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:06:46,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:06:46,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:06:46,271 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable501 [2021-07-14 14:06:46,271 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:06:46,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:06:46,272 INFO L82 PathProgramCache]: Analyzing trace with hash 931633578, now seen corresponding path program 6 times [2021-07-14 14:06:46,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:06:46,272 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302803846] [2021-07-14 14:06:46,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:06:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:06:46,415 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:06:46,415 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:06:46,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302803846] [2021-07-14 14:06:46,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302803846] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:06:46,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347841113] [2021-07-14 14:06:46,415 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 [2021-07-14 14:06:46,525 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 14:06:46,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:06:46,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 14:06:46,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:06:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:06:46,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347841113] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:06:46,781 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:06:46,781 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-14 14:06:46,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098925086] [2021-07-14 14:06:46,782 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 14:06:46,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:06:46,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 14:06:46,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-14 14:06:46,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:06:46,783 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:06:46,783 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) [2021-07-14 14:06:46,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:06:46,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:06:46,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:06:46,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:06:46,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:06:46,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:06:46,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:06:46,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:06:46,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:06:46,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:06:47,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:06:47,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:06:47,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:06:47,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:06:47,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:06:47,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:06:47,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:06:47,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:06:47,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:06:47,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:06:47,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable657,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:06:47,264 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:06:47,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:06:47,265 INFO L82 PathProgramCache]: Analyzing trace with hash -607915832, now seen corresponding path program 7 times [2021-07-14 14:06:47,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:06:47,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609854989] [2021-07-14 14:06:47,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:06:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:06:49,021 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2021-07-14 14:06:49,141 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2021-07-14 14:07:21,130 WARN L205 SmtUtils]: Spent 31.99 s on a formula simplification. DAG size of input: 238 DAG size of output: 216 [2021-07-14 14:07:21,557 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 48 [2021-07-14 14:09:07,380 WARN L205 SmtUtils]: Spent 1.76 m on a formula simplification. DAG size of input: 348 DAG size of output: 382 [2021-07-14 14:09:08,595 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 382 DAG size of output: 81 [2021-07-14 14:12:08,942 WARN L205 SmtUtils]: Spent 3.01 m on a formula simplification. DAG size of input: 481 DAG size of output: 508 [2021-07-14 14:12:09,129 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 508 [2021-07-14 14:12:11,273 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 504 DAG size of output: 116 [2021-07-14 14:16:14,705 WARN L205 SmtUtils]: Spent 4.06 m on a formula simplification. DAG size of input: 567 DAG size of output: 750 [2021-07-14 14:16:14,836 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 750 [2021-07-14 14:16:19,888 WARN L205 SmtUtils]: Spent 4.86 s on a formula simplification. DAG size of input: 747 DAG size of output: 211 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown