/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-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 13:58:14,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 13:58:14,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 13:58:14,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 13:58:14,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 13:58:14,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 13:58:14,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 13:58:14,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 13:58:14,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 13:58:14,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 13:58:14,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 13:58:14,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 13:58:14,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 13:58:14,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 13:58:14,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 13:58:14,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 13:58:14,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 13:58:14,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 13:58:14,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 13:58:14,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 13:58:14,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 13:58:14,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 13:58:14,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 13:58:14,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 13:58:14,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 13:58:14,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 13:58:14,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 13:58:14,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 13:58:14,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 13:58:14,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 13:58:14,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 13:58:14,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 13:58:14,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 13:58:14,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 13:58:14,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 13:58:14,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 13:58:14,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 13:58:14,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 13:58:14,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 13:58:14,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 13:58:14,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 13:58:14,500 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 13:58:14,533 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 13:58:14,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 13:58:14,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 13:58:14,534 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 13:58:14,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 13:58:14,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 13:58:14,537 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 13:58:14,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 13:58:14,537 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 13:58:14,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 13:58:14,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 13:58:14,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 13:58:14,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 13:58:14,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 13:58:14,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 13:58:14,539 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 13:58:14,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 13:58:14,539 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 13:58:14,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 13:58:14,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 13:58:14,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 13:58:14,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 13:58:14,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 13:58:14,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 13:58:14,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 13:58:14,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 13:58:14,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 13:58:14,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 13:58:14,541 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 13:58:14,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 13:58:14,541 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 13:58:14,541 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 13:58:14,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 13:58:14,541 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 13:58:14,542 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 13:58:14,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 13:58:14,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 13:58:14,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 13:58:14,830 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 13:58:14,833 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 13:58:14,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl [2021-07-14 13:58:14,834 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl' [2021-07-14 13:58:14,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 13:58:14,863 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 13:58:14,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 13:58:14,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 13:58:14,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 13:58:14,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:58:14" (1/1) ... [2021-07-14 13:58:14,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:58:14" (1/1) ... [2021-07-14 13:58:14,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 13:58:14,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 13:58:14,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 13:58:14,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 13:58:14,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:58:14" (1/1) ... [2021-07-14 13:58:14,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:58:14" (1/1) ... [2021-07-14 13:58:14,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:58:14" (1/1) ... [2021-07-14 13:58:14,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:58:14" (1/1) ... [2021-07-14 13:58:14,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:58:14" (1/1) ... [2021-07-14 13:58:14,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:58:14" (1/1) ... [2021-07-14 13:58:14,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:58:14" (1/1) ... [2021-07-14 13:58:14,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 13:58:14,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 13:58:14,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 13:58:14,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 13:58:14,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:58:14" (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 13:58:14,965 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 13:58:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 13:58:14,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 13:58:14,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 13:58:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 13:58:14,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 13:58:14,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 13:58:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 13:58:14,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 13:58:14,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 13:58:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 13:58:14,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 13:58:14,970 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 13:58:15,200 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 13:58:15,201 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 13:58:15,203 INFO L202 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:58:15 BoogieIcfgContainer [2021-07-14 13:58:15,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 13:58:15,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 13:58:15,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 13:58:15,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 13:58:15,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:58:14" (1/2) ... [2021-07-14 13:58:15,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a092a04 and model type max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:58:15, skipping insertion in model container [2021-07-14 13:58:15,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:58:15" (2/2) ... [2021-07-14 13:58:15,208 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array-hom.wvr.bpl [2021-07-14 13:58:15,213 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 13:58:15,213 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 13:58:15,213 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 13:58:15,214 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 13:58:15,249 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 13:58:15,285 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 13:58:15,413 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 13:58:15,413 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 13:58:15,413 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 13:58:15,413 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 13:58:15,413 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 13:58:15,413 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 13:58:15,414 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 13:58:15,414 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 13:58:15,523 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:58:15,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:58:15,530 INFO L82 PathProgramCache]: Analyzing trace with hash 107147796, now seen corresponding path program 1 times [2021-07-14 13:58:15,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:58:15,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203680536] [2021-07-14 13:58:15,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:58:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:58:15,711 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 13:58:15,712 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:58:15,712 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203680536] [2021-07-14 13:58:15,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203680536] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:58:15,713 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 13:58:15,713 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 13:58:15,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909009477] [2021-07-14 13:58:15,717 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 13:58:15,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:58:15,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 13:58:15,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 13:58:15,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:58:15,729 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:58:15,731 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 13:58:15,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:58:15,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:58:15,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 13:58:15,748 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:58:15,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:58:15,748 INFO L82 PathProgramCache]: Analyzing trace with hash 597095090, now seen corresponding path program 1 times [2021-07-14 13:58:15,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:58:15,749 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708407674] [2021-07-14 13:58:15,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:58:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:58:15,802 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 13:58:15,803 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:58:15,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708407674] [2021-07-14 13:58:15,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708407674] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:58:15,805 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 13:58:15,806 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 13:58:15,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69979245] [2021-07-14 13:58:15,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 13:58:15,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:58:15,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 13:58:15,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 13:58:15,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:58:15,808 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:58:15,808 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 13:58:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:58:15,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:58:15,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:58:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:58:15,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 13:58:15,856 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:58:15,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:58:15,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1592437936, now seen corresponding path program 1 times [2021-07-14 13:58:15,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:58:15,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12839605] [2021-07-14 13:58:15,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:58:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:58:16,361 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 13:58:16,361 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:58:16,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12839605] [2021-07-14 13:58:16,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12839605] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:58:16,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046761267] [2021-07-14 13:58:16,362 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 13:58:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:58:16,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 13:58:16,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:58:16,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:58:16,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:58:16,909 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 13:58:16,911 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:16,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:58:16,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:58:16,918 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 13:58:16,919 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:16,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:58:16,923 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 13:58:16,924 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:16,936 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:58:16,940 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 13:58:16,940 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-07-14 13:58:17,006 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 13:58:17,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046761267] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:58:17,007 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:58:17,007 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 13:58:17,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001281424] [2021-07-14 13:58:17,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 13:58:17,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:58:17,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 13:58:17,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-07-14 13:58:17,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:58:17,012 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:58:17,012 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 13:58:17,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:58:17,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:58:17,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:58:17,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:58:17,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:58:17,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:58:17,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:58:17,445 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:58:17,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:58:17,446 INFO L82 PathProgramCache]: Analyzing trace with hash 217830638, now seen corresponding path program 2 times [2021-07-14 13:58:17,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:58:17,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145524037] [2021-07-14 13:58:17,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:58:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:58:17,524 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 13:58:17,525 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:58:17,525 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145524037] [2021-07-14 13:58:17,525 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145524037] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:58:17,525 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335085764] [2021-07-14 13:58:17,525 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 13:58:17,565 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:58:17,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:58:17,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 13:58:17,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:58:17,684 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 13:58:17,685 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335085764] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:58:17,685 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:58:17,685 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 13:58:17,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461633878] [2021-07-14 13:58:17,685 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 13:58:17,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:58:17,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 13:58:17,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-14 13:58:17,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:58:17,686 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:58:17,687 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 13:58:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:58:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:58:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:58:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:58:17,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:58:17,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:58:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:58:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:58:18,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 13:58:18,077 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:58:18,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:58:18,077 INFO L82 PathProgramCache]: Analyzing trace with hash -537545550, now seen corresponding path program 1 times [2021-07-14 13:58:18,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:58:18,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149765670] [2021-07-14 13:58:18,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:58:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:58:18,139 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 13:58:18,140 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:58:18,140 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149765670] [2021-07-14 13:58:18,140 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149765670] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:58:18,140 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013179043] [2021-07-14 13:58:18,140 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 13:58:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:58:18,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 13:58:18,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:58:18,266 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 13:58:18,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013179043] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:58:18,266 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:58:18,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 13:58:18,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187736570] [2021-07-14 13:58:18,267 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 13:58:18,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:58:18,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 13:58:18,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-14 13:58:18,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:58:18,268 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:58:18,268 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 13:58:18,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:58:18,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:58:18,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:58:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:58:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:58:18,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:58:18,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:58:18,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:58:18,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:58:18,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:58:18,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:58:18,617 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:58:18,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:58:18,617 INFO L82 PathProgramCache]: Analyzing trace with hash -246413360, now seen corresponding path program 2 times [2021-07-14 13:58:18,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:58:18,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995947495] [2021-07-14 13:58:18,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:58:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:58:19,362 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-07-14 13:58:19,683 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-14 13:58:19,964 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-07-14 13:58:20,154 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2021-07-14 13:58:20,343 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2021-07-14 13:58:20,462 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 13:58:20,463 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:58:20,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995947495] [2021-07-14 13:58:20,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995947495] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:58:20,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038083802] [2021-07-14 13:58:20,463 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 13:58:20,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:58:20,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:58:20,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 13:58:20,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:58:23,666 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification that was a NOOP. DAG size: 67 [2021-07-14 13:58:24,079 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-07-14 13:58:24,525 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-14 13:58:24,933 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-07-14 13:58:25,818 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-07-14 13:58:26,599 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2021-07-14 13:58:28,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:28,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:28,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:28,705 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-07-14 13:58:28,705 INFO L354 Elim1Store]: treesize reduction 18, result has 71.4 percent of original size [2021-07-14 13:58:28,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 13:58:28,759 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:28,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:28,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:28,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:28,911 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2021-07-14 13:58:28,911 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 13:58:28,911 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 13:58:28,934 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:30,907 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 424 [2021-07-14 13:58:30,908 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:58:30,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:30,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:30,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:31,028 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-14 13:58:31,028 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 13:58:31,035 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:31,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:31,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:31,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:31,161 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 13:58:31,162 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 13:58:31,178 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:33,172 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 419 [2021-07-14 13:58:33,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:58:33,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:33,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:33,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:33,317 INFO L354 Elim1Store]: treesize reduction 4, result has 93.7 percent of original size [2021-07-14 13:58:33,317 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 13:58:33,358 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:33,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:33,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:33,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:33,481 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:58:33,481 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 13:58:33,506 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:37,282 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 431 DAG size of output: 411 [2021-07-14 13:58:37,283 INFO L628 ElimStorePlain]: treesize reduction 85, result has 96.3 percent of original size [2021-07-14 13:58:37,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:37,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:37,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:37,408 INFO L354 Elim1Store]: treesize reduction 22, result has 65.1 percent of original size [2021-07-14 13:58:37,409 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 13:58:37,422 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:37,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:37,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:37,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:37,514 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:58:37,514 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 13:58:37,591 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:39,365 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 404 [2021-07-14 13:58:39,365 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:58:39,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:39,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:39,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:39,488 INFO L354 Elim1Store]: treesize reduction 22, result has 65.1 percent of original size [2021-07-14 13:58:39,488 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 13:58:39,501 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:39,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:39,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:39,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:39,628 INFO L354 Elim1Store]: treesize reduction 4, result has 93.7 percent of original size [2021-07-14 13:58:39,629 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 13:58:39,664 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:43,250 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 407 DAG size of output: 397 [2021-07-14 13:58:43,251 INFO L628 ElimStorePlain]: treesize reduction 34, result has 98.4 percent of original size [2021-07-14 13:58:43,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:43,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:43,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:43,365 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-14 13:58:43,366 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 13:58:43,377 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:43,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:43,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:43,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:43,484 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 13:58:43,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 13:58:43,501 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:45,230 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 389 [2021-07-14 13:58:45,230 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:58:45,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:45,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:45,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:45,369 INFO L354 Elim1Store]: treesize reduction 8, result has 87.3 percent of original size [2021-07-14 13:58:45,369 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 13:58:45,383 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:45,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:45,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:45,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:45,500 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 13:58:45,500 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 13:58:45,511 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:50,666 WARN L205 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 399 DAG size of output: 396 [2021-07-14 13:58:50,668 INFO L628 ElimStorePlain]: treesize reduction 21, result has 99.0 percent of original size [2021-07-14 13:58:50,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:50,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:50,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:50,814 INFO L354 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2021-07-14 13:58:50,815 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 13:58:50,820 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:50,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:50,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:50,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:50,956 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 13:58:50,956 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 13:58:50,980 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:52,692 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 387 [2021-07-14 13:58:52,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:58:52,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:52,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:52,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:52,830 INFO L354 Elim1Store]: treesize reduction 30, result has 52.4 percent of original size [2021-07-14 13:58:52,830 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 13:58:52,841 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:52,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:52,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:52,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:52,955 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 13:58:52,956 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 13:58:52,962 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:54,667 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 387 [2021-07-14 13:58:54,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:58:54,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:54,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:54,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:54,783 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 13:58:54,784 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 13:58:54,797 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:54,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:54,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:54,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:54,920 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 13:58:54,921 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 13:58:54,930 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:56,651 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 379 [2021-07-14 13:58:56,651 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:58:56,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:56,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:56,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:56,780 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 13:58:56,780 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 49 treesize of output 75 [2021-07-14 13:58:56,792 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 13:58:56,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:56,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:56,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:58:56,926 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 13:58:56,926 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 13:58:56,938 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 13:59:00,135 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 379 DAG size of output: 376 [2021-07-14 13:59:00,137 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.8 percent of original size [2021-07-14 13:59:00,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:00,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:00,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:00,240 INFO L354 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2021-07-14 13:59:00,240 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 13:59:00,247 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 13:59:00,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:00,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:00,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:00,336 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-14 13:59:00,337 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 13:59:00,344 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 13:59:01,916 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 373 [2021-07-14 13:59:01,916 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:59:01,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:01,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:01,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:02,019 INFO L354 Elim1Store]: treesize reduction 34, result has 46.0 percent of original size [2021-07-14 13:59:02,020 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 13:59:02,022 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 13:59:02,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:02,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:02,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:02,128 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 13:59:02,129 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 13:59:02,145 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 13:59:05,425 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 387 DAG size of output: 385 [2021-07-14 13:59:05,426 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.6 percent of original size [2021-07-14 13:59:05,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:05,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:05,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:05,536 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 13:59:05,537 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 13:59:05,563 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 13:59:05,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:05,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:05,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:05,680 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 13:59:05,680 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 13:59:05,693 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 13:59:08,948 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 379 DAG size of output: 375 [2021-07-14 13:59:08,949 INFO L628 ElimStorePlain]: treesize reduction 19, result has 99.1 percent of original size [2021-07-14 13:59:08,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:08,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:08,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:09,057 INFO L354 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2021-07-14 13:59:09,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 13:59:09,078 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 13:59:09,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:09,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:09,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:09,176 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 13:59:09,176 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 13:59:09,192 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 13:59:12,288 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 377 DAG size of output: 372 [2021-07-14 13:59:12,289 INFO L628 ElimStorePlain]: treesize reduction 40, result has 98.0 percent of original size [2021-07-14 13:59:12,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:12,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:12,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:12,413 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 13:59:12,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 13:59:12,428 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 13:59:12,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:12,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:12,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:59:12,514 INFO L354 Elim1Store]: treesize reduction 30, result has 52.4 percent of original size [2021-07-14 13:59:12,515 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 13:59:12,520 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 13:59:15,545 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 373 DAG size of output: 371 [2021-07-14 13:59:15,547 INFO L628 ElimStorePlain]: treesize reduction 11, result has 99.4 percent of original size [2021-07-14 13:59:16,417 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 270 [2021-07-14 13:59:16,423 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 13:59:16,423 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 49 variables, input treesize:2313, output treesize:3363 [2021-07-14 13:59:18,129 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 270 DAG size of output: 118 [2021-07-14 13:59:18,298 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 13:59:18,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038083802] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:59:18,299 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:59:18,299 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-07-14 13:59:18,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135184918] [2021-07-14 13:59:18,299 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 13:59:18,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:59:18,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 13:59:18,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2021-07-14 13:59:18,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:59:18,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:59:18,301 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 13:59:18,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:59:18,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:59:18,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:59:18,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:59:18,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:59:18,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:59:19,154 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 55 [2021-07-14 13:59:19,877 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 41 [2021-07-14 13:59:22,296 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 136 DAG size of output: 101 [2021-07-14 13:59:22,631 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 56 [2021-07-14 13:59:26,208 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 137 DAG size of output: 98 [2021-07-14 13:59:28,422 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 287 DAG size of output: 194 [2021-07-14 13:59:34,949 WARN L205 SmtUtils]: Spent 6.40 s on a formula simplification. DAG size of input: 230 DAG size of output: 104 [2021-07-14 13:59:36,749 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 192 DAG size of output: 108 [2021-07-14 13:59:39,708 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 131 DAG size of output: 101 [2021-07-14 13:59:45,645 WARN L205 SmtUtils]: Spent 5.80 s on a formula simplification. DAG size of input: 231 DAG size of output: 101 [2021-07-14 14:00:06,524 WARN L205 SmtUtils]: Spent 20.77 s on a formula simplification. DAG size of input: 193 DAG size of output: 115 [2021-07-14 14:00:08,479 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 230 DAG size of output: 178 [2021-07-14 14:00:09,940 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 227 DAG size of output: 98 [2021-07-14 14:00:16,830 WARN L205 SmtUtils]: Spent 6.74 s on a formula simplification. DAG size of input: 176 DAG size of output: 112 [2021-07-14 14:00:17,169 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2021-07-14 14:00:17,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:00:17,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:00:17,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:00:17,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:00:17,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:00:17,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:00:17,558 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 14:00:17,558 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:00:17,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:00:17,559 INFO L82 PathProgramCache]: Analyzing trace with hash 358746990, now seen corresponding path program 3 times [2021-07-14 14:00:17,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:00:17,559 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841811222] [2021-07-14 14:00:17,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:00:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:00:17,683 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 14:00:17,683 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:00:17,684 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841811222] [2021-07-14 14:00:17,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841811222] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:00:17,684 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591277965] [2021-07-14 14:00:17,684 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 14:00:17,750 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 14:00:17,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:00:17,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 14:00:17,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:00:18,106 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 14:00:18,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591277965] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:00:18,106 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:00:18,106 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-14 14:00:18,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370617691] [2021-07-14 14:00:18,107 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 14:00:18,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:00:18,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 14:00:18,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-14 14:00:18,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:00:18,108 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:00:18,108 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 14:00:18,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:00:18,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:00:18,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:00:18,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:00:18,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:00:18,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:00:18,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:00:18,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:00:18,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:00:18,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:00:18,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:00:18,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:00:18,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:00:18,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:00:18,993 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable499 [2021-07-14 14:00:18,993 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:00:18,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:00:18,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1163701042, now seen corresponding path program 4 times [2021-07-14 14:00:18,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:00:18,994 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976665908] [2021-07-14 14:00:18,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:00:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:00:19,267 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 14:00:19,268 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:00:19,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976665908] [2021-07-14 14:00:19,268 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976665908] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:00:19,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116562706] [2021-07-14 14:00:19,268 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 14:00:19,357 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 14:00:19,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:00:19,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 14:00:19,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:00:19,586 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 14:00:19,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116562706] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:00:19,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:00:19,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-14 14:00:19,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917259301] [2021-07-14 14:00:19,588 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 14:00:19,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:00:19,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 14:00:19,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-14 14:00:19,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:00:19,589 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:00:19,590 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 14:00:19,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:00:19,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:00:19,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:00:19,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:00:19,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:00:19,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:00:19,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:00:19,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:00:19,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:00:19,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:00:19,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:00:19,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:00:19,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:00:19,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:00:19,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:00:19,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:00:20,003 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable500,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:00:20,003 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:00:20,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:00:20,004 INFO L82 PathProgramCache]: Analyzing trace with hash -323420080, now seen corresponding path program 5 times [2021-07-14 14:00:20,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:00:20,004 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507789817] [2021-07-14 14:00:20,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:00:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:00:21,172 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 159 [2021-07-14 14:00:21,447 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 43 [2021-07-14 14:00:21,643 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 218 [2021-07-14 14:00:22,370 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 75 [2021-07-14 14:00:22,667 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 315 [2021-07-14 14:00:24,011 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 315 DAG size of output: 133 [2021-07-14 14:00:24,293 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 294 [2021-07-14 14:00:26,374 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 294 DAG size of output: 181 [2021-07-14 14:00:26,646 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 289 [2021-07-14 14:00:28,670 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 289 DAG size of output: 176 [2021-07-14 14:00:28,781 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 194 [2021-07-14 14:00:29,542 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 109 [2021-07-14 14:00:29,957 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 70 [2021-07-14 14:00:30,167 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2021-07-14 14:00:30,375 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2021-07-14 14:00:30,549 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 14:00:30,549 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:00:30,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507789817] [2021-07-14 14:00:30,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507789817] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:00:30,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841279736] [2021-07-14 14:00:30,549 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 14:00:30,605 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 14:00:30,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:00:30,607 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-14 14:00:30,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:00:31,173 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 14:00:32,948 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 119 [2021-07-14 14:00:35,041 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 355 [2021-07-14 14:00:37,362 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 364 [2021-07-14 14:00:39,679 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 365 [2021-07-14 14:00:42,091 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 367 [2021-07-14 14:00:44,200 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 366 [2021-07-14 14:00:46,128 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 380 [2021-07-14 14:00:48,280 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 379 [2021-07-14 14:00:49,221 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 14:00:49,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:00:49,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:00:49,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:00:49,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:00:49,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:00:49,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:00:49,353 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 14:00:49,356 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 14:00:49,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:00:49,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:00:49,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:00:49,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:00:49,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:00:49,435 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 14:00:49,438 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 14:00:59,730 WARN L205 SmtUtils]: Spent 10.29 s on a formula simplification. DAG size of input: 807 DAG size of output: 753 [2021-07-14 14:00:59,733 INFO L628 ElimStorePlain]: treesize reduction 1220, result has 68.9 percent of original size [2021-07-14 14:00:59,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:00:59,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:00:59,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:00:59,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:00:59,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:00:59,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:00:59,810 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 14:00:59,812 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 14:00:59,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:00:59,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:00:59,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:00:59,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:00:59,871 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 14:00:59,873 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:03,418 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification that was a NOOP. DAG size: 739 [2021-07-14 14:01:03,419 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:03,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:03,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:03,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:03,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:03,508 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 14:01:03,510 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:03,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:03,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:03,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:03,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:03,563 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 14:01:03,565 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:06,629 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification that was a NOOP. DAG size: 723 [2021-07-14 14:01:06,630 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:06,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:06,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:06,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:06,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:06,703 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 14:01:06,705 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:06,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:06,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:06,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:06,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:06,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:06,752 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 14:01:06,754 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:09,935 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 706 [2021-07-14 14:01:09,936 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:09,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:09,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:09,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:09,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:10,031 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 14:01:10,033 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:10,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:10,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:10,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:10,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:10,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:10,101 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 14:01:10,103 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:12,981 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification that was a NOOP. DAG size: 689 [2021-07-14 14:01:12,982 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:13,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:13,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:13,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:13,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:13,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:13,021 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 14:01:13,023 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:15,627 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification that was a NOOP. DAG size: 676 [2021-07-14 14:01:15,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:15,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:15,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:15,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:15,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:15,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:15,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:15,694 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 14:01:15,696 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:15,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:15,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:15,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:15,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:15,743 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 14:01:15,744 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:18,269 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 661 [2021-07-14 14:01:18,270 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:18,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:18,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:18,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:18,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:18,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:18,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:18,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 14:01:18,346 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:18,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:18,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:18,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:18,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:18,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 14:01:18,407 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:20,870 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 644 [2021-07-14 14:01:20,870 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:20,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:20,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:20,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:20,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:20,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:20,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:20,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-07-14 14:01:20,934 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:20,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:20,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:20,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:20,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:20,993 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 14:01:20,995 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:23,347 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 628 [2021-07-14 14:01:23,348 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:23,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:23,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:23,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:23,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:23,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:23,384 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 14:01:23,386 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:25,609 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 613 [2021-07-14 14:01:25,609 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:25,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:25,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:25,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:25,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:25,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:25,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:25,669 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 14:01:25,671 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:25,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:25,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:25,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:25,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:25,707 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 14:01:25,709 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:27,847 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 597 [2021-07-14 14:01:27,847 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:27,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:27,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:27,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:27,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:27,910 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 14:01:27,912 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:27,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:27,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:27,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:27,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:27,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:27,950 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 14:01:27,952 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:29,992 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 580 [2021-07-14 14:01:29,993 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:30,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:30,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:30,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:30,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:30,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:01:30,059 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:30,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:30,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:30,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:30,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:30,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:30,105 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 14:01:30,107 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:32,001 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 564 [2021-07-14 14:01:32,003 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:32,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:32,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:32,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:32,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:32,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:32,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:32,060 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 14:01:32,063 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:32,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:32,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:32,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:32,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:32,098 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 14:01:32,100 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:33,841 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 547 [2021-07-14 14:01:33,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:33,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:33,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:33,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:33,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:33,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:33,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:33,879 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 14:01:33,886 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:35,600 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 532 [2021-07-14 14:01:35,600 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:35,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:35,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:35,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:35,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:35,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:35,635 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 14:01:35,636 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:37,305 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 517 [2021-07-14 14:01:37,306 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:37,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:37,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:37,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:37,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:37,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:37,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:37,341 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 14:01:37,344 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:38,979 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 502 [2021-07-14 14:01:38,979 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:39,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:39,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:39,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:39,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:39,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:39,012 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 14:01:39,014 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:40,575 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 487 [2021-07-14 14:01:40,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:40,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:40,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:40,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:40,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:40,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:40,607 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 14:01:40,618 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:42,130 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 472 [2021-07-14 14:01:42,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:42,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:42,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:42,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:42,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:42,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:42,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:42,184 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 14:01:42,186 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:42,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:42,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:42,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:42,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:42,220 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 14:01:42,222 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:43,649 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 455 [2021-07-14 14:01:43,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:43,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:43,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:43,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:43,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:43,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:43,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:43,698 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 14:01:43,699 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:43,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:43,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:43,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:43,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:43,730 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 14:01:43,732 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:45,050 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 438 [2021-07-14 14:01:45,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:45,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:45,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:45,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:45,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:45,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:45,079 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 14:01:45,080 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:46,327 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 423 [2021-07-14 14:01:46,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:46,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:46,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:46,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:46,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:46,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:46,356 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 14:01:46,357 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:47,568 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 408 [2021-07-14 14:01:47,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:47,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:47,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:47,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:47,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:47,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:47,609 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 14:01:47,611 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:47,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:47,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:47,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:47,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:47,638 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 14:01:47,640 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:48,834 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 391 [2021-07-14 14:01:48,834 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:48,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:48,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:48,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:48,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:48,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:48,880 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 14:01:48,883 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:49,994 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 376 [2021-07-14 14:01:49,994 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:50,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:50,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:50,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:50,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:50,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:50,019 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 14:01:50,020 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:51,074 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 361 [2021-07-14 14:01:51,074 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:51,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:51,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:51,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:51,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:51,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:51,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 14:01:51,101 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:52,122 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 346 [2021-07-14 14:01:52,122 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:52,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:52,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:52,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:52,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:52,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:52,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:52,159 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 14:01:52,162 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:52,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:52,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:52,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:52,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:52,196 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 14:01:52,198 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:53,141 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2021-07-14 14:01:53,142 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:53,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:53,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:53,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:53,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:53,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:53,166 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 14:01:53,168 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:54,080 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2021-07-14 14:01:54,081 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:54,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:54,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:54,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:54,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:54,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:54,104 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 14:01:54,105 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:54,955 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-07-14 14:01:54,955 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:54,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:54,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:54,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:54,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:54,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:54,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:54,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:54,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:54,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:01:54,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:54,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:54,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:54,983 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 14:01:54,985 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:55,812 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2021-07-14 14:01:55,813 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:55,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:55,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:55,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:55,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:55,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:55,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:55,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:55,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:55,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:55,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:01:55,837 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 14:01:55,840 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-14 14:01:56,662 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-07-14 14:01:56,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:01:56,716 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 14:01:56,716 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:236 [2021-07-14 14:01:57,007 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 20 [2021-07-14 14:01:57,032 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 14:01:57,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841279736] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:01:57,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:01:57,033 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-14 14:01:57,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369237679] [2021-07-14 14:01:57,033 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 14:01:57,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:01:57,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 14:01:57,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=895, Unknown=0, NotChecked=0, Total=992 [2021-07-14 14:01:57,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:01:57,034 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:01:57,035 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 14:01:57,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:01:57,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:01:57,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:01:57,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:01:57,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:01:57,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:01:57,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:01:57,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:01:57,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:01:57,987 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 43 [2021-07-14 14:01:58,607 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 58 [2021-07-14 14:01:58,980 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2021-07-14 14:01:59,303 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2021-07-14 14:01:59,697 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 72 [2021-07-14 14:02:00,123 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 85 [2021-07-14 14:02:01,375 WARN L205 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 134 [2021-07-14 14:02:01,889 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 93 [2021-07-14 14:02:05,117 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 265 DAG size of output: 123 [2021-07-14 14:02:10,601 WARN L205 SmtUtils]: Spent 5.13 s on a formula simplification. DAG size of input: 568 DAG size of output: 304 [2021-07-14 14:02:13,465 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 185 DAG size of output: 130 [2021-07-14 14:02:14,331 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 173 [2021-07-14 14:02:14,610 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-14 14:02:15,280 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-14 14:02:16,331 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 175 [2021-07-14 14:02:16,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:16,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:16,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:02:16,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:02:16,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:02:16,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:02:16,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:02:16,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:02:16,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:02:16,632 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable501 [2021-07-14 14:02:16,632 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:02:16,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:02:16,632 INFO L82 PathProgramCache]: Analyzing trace with hash 931633578, now seen corresponding path program 6 times [2021-07-14 14:02:16,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:02:16,633 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387952484] [2021-07-14 14:02:16,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:02:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:16,789 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 14:02:16,790 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:02:16,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387952484] [2021-07-14 14:02:16,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387952484] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:02:16,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546793866] [2021-07-14 14:02:16,790 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 14:02:16,846 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 14:02:16,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:02:16,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 14:02:16,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:02:17,129 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 14:02:17,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546793866] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:02:17,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:02:17,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-14 14:02:17,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456447330] [2021-07-14 14:02:17,130 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 14:02:17,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:02:17,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 14:02:17,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-14 14:02:17,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:17,131 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:02:17,131 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 14:02:17,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:17,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:17,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:02:17,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:02:17,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:02:17,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:02:17,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:02:17,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:02:17,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:02:17,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:02:17,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:02:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:02:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:02:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:02:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:02:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:02:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:02:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:02:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 14:02:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:02:17,632 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable657,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:02:17,633 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:02:17,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:02:17,633 INFO L82 PathProgramCache]: Analyzing trace with hash -607915832, now seen corresponding path program 7 times [2021-07-14 14:02:17,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:02:17,634 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447976169] [2021-07-14 14:02:17,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:02:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:02:20,311 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2021-07-14 14:02:20,473 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2021-07-14 14:02:51,728 WARN L205 SmtUtils]: Spent 31.25 s on a formula simplification. DAG size of input: 238 DAG size of output: 216 [2021-07-14 14:02:52,162 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 48 [2021-07-14 14:04:18,788 WARN L205 SmtUtils]: Spent 1.44 m on a formula simplification. DAG size of input: 348 DAG size of output: 382 [2021-07-14 14:04:20,001 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 382 DAG size of output: 81 [2021-07-14 14:06:43,818 WARN L205 SmtUtils]: Spent 2.40 m on a formula simplification. DAG size of input: 481 DAG size of output: 508 [2021-07-14 14:06:43,947 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 508 [2021-07-14 14:06:45,690 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 504 DAG size of output: 116 [2021-07-14 14:10:05,813 WARN L205 SmtUtils]: Spent 3.34 m on a formula simplification. DAG size of input: 567 DAG size of output: 750 [2021-07-14 14:10:09,991 WARN L205 SmtUtils]: Spent 3.94 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