/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 11:37:48,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 11:37:48,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 11:37:48,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 11:37:48,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 11:37:48,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 11:37:48,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 11:37:48,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 11:37:48,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 11:37:48,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 11:37:48,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 11:37:48,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 11:37:48,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 11:37:48,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 11:37:48,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 11:37:48,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 11:37:48,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 11:37:48,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 11:37:48,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 11:37:48,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 11:37:48,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 11:37:48,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 11:37:48,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 11:37:48,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 11:37:48,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 11:37:48,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 11:37:48,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 11:37:48,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 11:37:48,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 11:37:48,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 11:37:48,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 11:37:48,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 11:37:48,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 11:37:48,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 11:37:48,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 11:37:48,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 11:37:48,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 11:37:48,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 11:37:48,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 11:37:48,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 11:37:48,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 11:37:48,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 11:37:48,368 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 11:37:48,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 11:37:48,368 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 11:37:48,369 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 11:37:48,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 11:37:48,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 11:37:48,371 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 11:37:48,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 11:37:48,371 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 11:37:48,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 11:37:48,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 11:37:48,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 11:37:48,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 11:37:48,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 11:37:48,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 11:37:48,372 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 11:37:48,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 11:37:48,372 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 11:37:48,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 11:37:48,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 11:37:48,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 11:37:48,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 11:37:48,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 11:37:48,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 11:37:48,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 11:37:48,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 11:37:48,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 11:37:48,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 11:37:48,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 11:37:48,373 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 11:37:48,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 11:37:48,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 11:37:48,374 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 11:37:48,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 11:37:48,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 11:37:48,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 11:37:48,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 11:37:48,665 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 11:37:48,667 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 11:37:48,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl [2021-06-06 11:37:48,668 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl' [2021-06-06 11:37:48,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 11:37:48,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 11:37:48,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 11:37:48,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 11:37:48,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 11:37:48,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:48" (1/1) ... [2021-06-06 11:37:48,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:48" (1/1) ... [2021-06-06 11:37:48,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 11:37:48,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 11:37:48,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 11:37:48,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 11:37:48,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:48" (1/1) ... [2021-06-06 11:37:48,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:48" (1/1) ... [2021-06-06 11:37:48,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:48" (1/1) ... [2021-06-06 11:37:48,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:48" (1/1) ... [2021-06-06 11:37:48,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:48" (1/1) ... [2021-06-06 11:37:48,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:48" (1/1) ... [2021-06-06 11:37:48,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:48" (1/1) ... [2021-06-06 11:37:48,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 11:37:48,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 11:37:48,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 11:37:48,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 11:37:48,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 11:37:48,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 11:37:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 11:37:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 11:37:48,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 11:37:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 11:37:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 11:37:48,786 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 11:37:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 11:37:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 11:37:48,786 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 11:37:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 11:37:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 11:37:48,787 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 11:37:48,924 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 11:37:48,924 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 11:37:48,925 INFO L202 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:37:48 BoogieIcfgContainer [2021-06-06 11:37:48,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 11:37:48,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 11:37:48,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 11:37:48,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 11:37:48,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:37:48" (1/2) ... [2021-06-06 11:37:48,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697227ff and model type min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 11:37:48, skipping insertion in model container [2021-06-06 11:37:48,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:37:48" (2/2) ... [2021-06-06 11:37:48,930 INFO L111 eAbstractionObserver]: Analyzing ICFG min-array-hom.wvr.bpl [2021-06-06 11:37:48,933 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 11:37:48,934 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 11:37:48,934 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 11:37:48,934 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 11:37:48,997 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 11:37:49,022 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 11:37:49,063 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 11:37:49,063 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 11:37:49,063 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 11:37:49,063 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 11:37:49,063 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 11:37:49,063 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 11:37:49,063 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 11:37:49,063 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 11:37:49,088 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:49,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:49,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-06-06 11:37:49,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:49,097 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504666876] [2021-06-06 11:37:49,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:49,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:49,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:49,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504666876] [2021-06-06 11:37:49,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504666876] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 11:37:49,254 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 11:37:49,254 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 11:37:49,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399561157] [2021-06-06 11:37:49,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 11:37:49,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:37:49,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 11:37:49,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 11:37:49,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:49,267 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:37:49,270 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:37:49,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:49,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 11:37:49,296 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:49,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:49,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-06-06 11:37:49,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:49,300 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232114209] [2021-06-06 11:37:49,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:49,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:37:49,360 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:49,360 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232114209] [2021-06-06 11:37:49,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232114209] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 11:37:49,361 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 11:37:49,361 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 11:37:49,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830973930] [2021-06-06 11:37:49,365 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 11:37:49,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:37:49,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 11:37:49,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 11:37:49,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:49,367 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:37:49,367 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:37:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:49,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:49,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:49,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:49,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 11:37:49,416 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:49,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:49,416 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-06-06 11:37:49,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:49,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599007729] [2021-06-06 11:37:49,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:49,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:49,770 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:49,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599007729] [2021-06-06 11:37:49,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599007729] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:49,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505898860] [2021-06-06 11:37:49,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:49,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 11:37:49,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:37:50,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:50,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:50,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2021-06-06 11:37:50,131 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:50,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:50,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:50,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 11:37:50,136 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:50,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:50,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 11:37:50,141 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:50,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:50,154 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 11:37:50,155 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-06-06 11:37:50,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:50,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505898860] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:50,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:37:50,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 11:37:50,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330056000] [2021-06-06 11:37:50,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 11:37:50,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:37:50,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 11:37:50,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-06 11:37:50,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:50,198 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:37:50,198 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:37:50,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:50,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:50,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:50,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:50,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:50,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:50,533 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:50,533 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:50,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:50,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-06-06 11:37:50,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:50,534 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811948127] [2021-06-06 11:37:50,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:50,593 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:50,593 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:50,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811948127] [2021-06-06 11:37:50,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811948127] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:50,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179392759] [2021-06-06 11:37:50,593 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:50,625 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 11:37:50,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:37:50,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 11:37:50,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:37:50,741 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:50,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179392759] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:50,742 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:37:50,742 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 11:37:50,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557616072] [2021-06-06 11:37:50,743 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 11:37:50,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:37:50,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 11:37:50,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 11:37:50,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:50,745 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:37:50,745 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:37:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:50,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:50,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:50,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:50,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:51,096 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-06 11:37:51,097 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:51,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:51,097 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-06-06 11:37:51,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:51,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193609434] [2021-06-06 11:37:51,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:51,140 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:37:51,141 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:51,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193609434] [2021-06-06 11:37:51,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193609434] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:51,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579710326] [2021-06-06 11:37:51,141 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) [2021-06-06 11:37:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:51,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 11:37:51,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:37:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:37:51,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579710326] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:51,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:37:51,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 11:37:51,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206419853] [2021-06-06 11:37:51,249 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 11:37:51,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:37:51,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 11:37:51,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 11:37:51,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:51,250 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:37:51,250 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:37:51,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:51,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:51,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:51,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:51,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:37:51,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:37:51,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:37:51,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:37:51,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:37:51,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:37:51,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:51,541 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:37:51,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:37:51,541 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-06-06 11:37:51,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:37:51,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670284959] [2021-06-06 11:37:51,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:37:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:37:52,165 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 67 [2021-06-06 11:37:52,319 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 62 [2021-06-06 11:37:52,455 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2021-06-06 11:37:52,621 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2021-06-06 11:37:52,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:52,741 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:52,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670284959] [2021-06-06 11:37:52,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670284959] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:52,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375319832] [2021-06-06 11:37:52,742 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:52,779 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 11:37:52,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:37:52,780 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 11:37:52,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:37:53,922 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-06-06 11:37:55,273 INFO L446 ElimStorePlain]: Different costs {7=[A, v_prenex_71, v_prenex_65, v_prenex_75, v_prenex_73, v_prenex_69, v_prenex_57, v_prenex_46, v_prenex_55, v_prenex_59, v_prenex_48], 10=[v_prenex_50, v_prenex_61, v_prenex_53, v_prenex_63, v_prenex_67]} [2021-06-06 11:37:55,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:55,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:55,382 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:37:55,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-06 11:37:55,392 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:55,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:55,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:55,449 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:37:55,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-06 11:37:55,452 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:58,657 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 370 DAG size of output: 368 [2021-06-06 11:37:58,674 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.6 percent of original size [2021-06-06 11:37:58,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:58,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:58,768 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:58,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-06 11:37:58,797 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:58,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:58,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:58,883 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-06 11:37:58,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 62 [2021-06-06 11:37:58,909 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:01,968 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 365 DAG size of output: 359 [2021-06-06 11:38:01,971 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-06 11:38:01,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:02,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:02,047 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:38:02,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 38 [2021-06-06 11:38:02,052 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:02,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:02,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:02,127 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:38:02,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-06 11:38:02,138 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:03,655 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 351 [2021-06-06 11:38:03,655 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:03,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:03,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:03,746 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:38:03,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 50 [2021-06-06 11:38:03,757 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:03,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:03,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:03,864 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:38:03,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-06 11:38:03,870 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:05,350 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-06 11:38:05,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:05,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,439 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:38:05,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-06 11:38:05,448 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:05,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,502 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:38:05,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-06 11:38:05,506 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:06,916 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 336 [2021-06-06 11:38:06,917 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:06,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:06,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:06,998 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:38:06,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 38 [2021-06-06 11:38:07,007 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:07,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:07,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:07,063 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:38:07,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-06 11:38:07,069 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:08,410 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 325 [2021-06-06 11:38:08,411 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:08,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:08,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:08,480 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:38:08,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-06 11:38:08,489 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:08,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:08,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:08,558 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:38:08,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-06 11:38:08,562 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:09,842 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 313 [2021-06-06 11:38:09,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:09,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,915 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 11:38:09,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 48 [2021-06-06 11:38:09,930 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:09,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,982 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:09,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-06 11:38:10,004 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:12,438 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 306 DAG size of output: 299 [2021-06-06 11:38:12,439 INFO L628 ElimStorePlain]: treesize reduction 17, result has 99.2 percent of original size [2021-06-06 11:38:12,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:12,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:12,504 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:38:12,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 42 [2021-06-06 11:38:12,509 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:12,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:12,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:12,559 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:38:12,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 41 [2021-06-06 11:38:12,562 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:13,713 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 287 [2021-06-06 11:38:13,713 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:13,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:13,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:13,773 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:38:13,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-06 11:38:13,775 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:13,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:13,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:13,839 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:38:13,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-06 11:38:13,843 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:14,923 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 274 [2021-06-06 11:38:14,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:14,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:14,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:14,988 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:38:14,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-06 11:38:14,992 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:15,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:15,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:15,043 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 11:38:15,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 52 [2021-06-06 11:38:15,055 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:16,108 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 263 [2021-06-06 11:38:16,108 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:16,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,162 INFO L354 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2021-06-06 11:38:16,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 35 [2021-06-06 11:38:16,165 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:16,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,210 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:16,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 66 [2021-06-06 11:38:16,222 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:17,230 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 255 [2021-06-06 11:38:17,231 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:17,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,290 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-06 11:38:17,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 54 [2021-06-06 11:38:17,297 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:17,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,350 INFO L354 Elim1Store]: treesize reduction 16, result has 68.6 percent of original size [2021-06-06 11:38:17,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 53 [2021-06-06 11:38:17,359 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:18,331 WARN L205 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2021-06-06 11:38:18,331 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:18,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,387 INFO L354 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2021-06-06 11:38:18,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 40 [2021-06-06 11:38:18,389 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:18,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,430 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-06-06 11:38:18,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 41 [2021-06-06 11:38:18,439 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:19,393 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2021-06-06 11:38:19,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:19,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:19,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:19,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:19,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:19,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:19,455 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-06-06 11:38:19,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 41 [2021-06-06 11:38:19,461 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:19,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:19,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:19,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:19,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:19,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:19,510 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-06 11:38:19,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-06-06 11:38:19,514 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:20,407 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-06-06 11:38:20,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:20,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:20,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:20,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:20,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:20,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:20,456 INFO L354 Elim1Store]: treesize reduction 30, result has 41.2 percent of original size [2021-06-06 11:38:20,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 39 [2021-06-06 11:38:20,468 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:20,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:20,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:20,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:20,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:20,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:20,514 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-06 11:38:20,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-06-06 11:38:20,520 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:21,351 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-06-06 11:38:21,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:21,582 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-06 11:38:21,583 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2333, output treesize:2330 [2021-06-06 11:38:22,275 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 77 [2021-06-06 11:38:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:38:22,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375319832] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:38:22,405 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:38:22,406 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-06 11:38:22,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585980386] [2021-06-06 11:38:22,406 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 11:38:22,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:38:22,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 11:38:22,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-06 11:38:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:38:22,407 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:38:22,407 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:38:22,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:38:22,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:38:22,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:38:22,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:38:22,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:38:22,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:38:22,603 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 35 [2021-06-06 11:38:22,811 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 53 [2021-06-06 11:38:23,042 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-06-06 11:38:23,337 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-06-06 11:38:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:38:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:38:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:38:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:38:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:38:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:23,637 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 11:38:23,639 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:38:23,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:38:23,640 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-06-06 11:38:23,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:38:23,640 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912977315] [2021-06-06 11:38:23,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:38:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:38:23,720 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:38:23,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:38:23,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912977315] [2021-06-06 11:38:23,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912977315] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:38:23,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636345695] [2021-06-06 11:38:23,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:38:23,758 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 11:38:23,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:38:23,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 11:38:23,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:38:23,912 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:38:23,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636345695] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:38:23,913 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:38:23,913 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 11:38:23,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238472018] [2021-06-06 11:38:23,913 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 11:38:23,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:38:23,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 11:38:23,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 11:38:23,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:38:23,914 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:38:23,914 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:38:23,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:38:23,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:38:23,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:38:23,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:38:23,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:38:23,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:23,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:38:24,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:38:24,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:38:24,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:38:24,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:38:24,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:38:24,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:24,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:38:24,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:38:24,457 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:38:24,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:38:24,457 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-06-06 11:38:24,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:38:24,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578329593] [2021-06-06 11:38:24,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:38:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:38:24,524 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:38:24,524 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:38:24,524 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578329593] [2021-06-06 11:38:24,524 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578329593] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:38:24,524 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997530595] [2021-06-06 11:38:24,524 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:38:24,563 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 11:38:24,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:38:24,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 11:38:24,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:38:24,650 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:38:24,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997530595] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:38:24,652 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:38:24,652 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 11:38:24,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571826202] [2021-06-06 11:38:24,652 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 11:38:24,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:38:24,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 11:38:24,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 11:38:24,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:38:24,653 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:38:24,653 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:38:24,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:38:24,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:38:24,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:38:24,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:38:24,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:38:24,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:24,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:38:24,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:38:24,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:38:24,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:38:24,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:38:24,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:38:24,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:38:24,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:24,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:38:24,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:24,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:38:24,959 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:38:24,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:38:24,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-06-06 11:38:24,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:38:24,959 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083867703] [2021-06-06 11:38:24,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:38:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:38:26,082 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 46 [2021-06-06 11:38:26,379 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 248 [2021-06-06 11:38:26,888 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 74 [2021-06-06 11:38:27,492 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 344 [2021-06-06 11:38:28,595 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 344 DAG size of output: 124 [2021-06-06 11:38:29,359 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 423 [2021-06-06 11:38:31,119 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 423 DAG size of output: 203 [2021-06-06 11:38:31,797 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 418 [2021-06-06 11:38:33,594 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 418 DAG size of output: 198 [2021-06-06 11:38:34,441 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 373 [2021-06-06 11:38:35,557 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 373 DAG size of output: 121 [2021-06-06 11:38:36,042 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 254 [2021-06-06 11:38:36,695 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 75 [2021-06-06 11:38:36,803 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 158 [2021-06-06 11:38:37,135 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 45 [2021-06-06 11:38:37,589 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 43 [2021-06-06 11:38:37,779 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:38:37,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:38:37,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083867703] [2021-06-06 11:38:37,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083867703] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:38:37,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542501099] [2021-06-06 11:38:37,780 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:38:37,826 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 11:38:37,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:38:37,827 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 11:38:37,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:38:39,481 WARN L205 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-06-06 11:38:40,892 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-06 11:38:44,398 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 393 DAG size of output: 359 [2021-06-06 11:38:47,688 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 399 DAG size of output: 363 [2021-06-06 11:38:51,239 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 405 DAG size of output: 367 [2021-06-06 11:38:52,741 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 366 [2021-06-06 11:38:54,067 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2021-06-06 11:38:55,921 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2021-06-06 11:38:56,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:56,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:56,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:56,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:56,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:56,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:56,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 11:38:56,629 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:56,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:56,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:56,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:56,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:56,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:56,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 11:38:56,670 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:03,799 WARN L205 SmtUtils]: Spent 7.13 s on a formula simplification. DAG size of input: 798 DAG size of output: 728 [2021-06-06 11:39:03,800 INFO L628 ElimStorePlain]: treesize reduction 1197, result has 68.9 percent of original size [2021-06-06 11:39:03,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:03,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:03,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:03,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:03,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:03,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:03,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:39:03,857 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:03,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:03,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:03,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:03,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:03,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:39:03,903 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:06,664 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 716 [2021-06-06 11:39:06,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:06,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:06,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:06,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:06,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:06,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:06,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:06,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:39:06,732 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:06,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:06,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:06,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:06,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:06,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:39:06,769 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:09,347 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 699 [2021-06-06 11:39:09,348 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:09,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:09,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:09,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:09,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:09,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:09,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:39:09,379 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:11,825 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 687 [2021-06-06 11:39:11,825 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:11,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:11,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:11,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:11,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:11,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:11,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:11,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 11:39:11,875 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:11,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:11,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:11,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:11,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:11,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 11:39:11,916 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:14,146 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 672 [2021-06-06 11:39:14,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:14,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:14,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:14,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:14,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:14,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:14,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:39:14,178 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:16,409 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 657 [2021-06-06 11:39:16,410 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:16,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:16,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:16,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:16,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:16,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 11:39:16,439 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:18,573 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 642 [2021-06-06 11:39:18,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:18,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:18,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:18,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:18,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:18,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:18,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:18,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:39:18,621 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:18,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:18,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:18,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:18,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:18,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:39:18,651 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:20,588 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 626 [2021-06-06 11:39:20,589 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:20,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:20,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:20,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:20,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:20,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:20,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 11:39:20,617 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:22,555 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 611 [2021-06-06 11:39:22,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:22,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:22,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:22,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:22,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:22,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:22,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 11:39:22,601 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:24,402 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 597 [2021-06-06 11:39:24,403 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:24,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:24,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:24,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:24,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:24,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:39:24,447 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:24,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:24,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:24,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:24,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:24,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:24,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:39:24,476 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:26,234 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 580 [2021-06-06 11:39:26,235 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:26,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:26,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:26,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:26,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:26,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:26,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:39:26,261 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:27,952 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 567 [2021-06-06 11:39:27,952 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:27,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:27,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:27,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:27,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:27,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:27,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:27,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 11:39:27,995 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:28,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:28,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:28,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:28,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:28,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 11:39:28,037 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:29,645 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 550 [2021-06-06 11:39:29,645 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:29,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:29,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:29,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:29,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:29,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:29,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:29,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 11:39:29,687 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:29,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:29,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:29,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:29,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:29,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 11:39:29,715 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:31,236 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 533 [2021-06-06 11:39:31,236 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:31,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:31,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:31,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:31,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:31,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:31,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-06 11:39:31,262 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:32,803 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 518 [2021-06-06 11:39:32,804 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:32,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:32,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:32,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:32,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:32,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:39:32,851 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:32,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:32,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:32,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:32,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:32,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:32,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:39:32,880 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:34,308 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 501 [2021-06-06 11:39:34,308 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:34,308 INFO L518 ElimStorePlain]: Eliminatee v_prenex_150 vanished before elimination [2021-06-06 11:39:34,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:34,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:34,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:34,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:34,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:34,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:34,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:39:34,332 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:35,681 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 486 [2021-06-06 11:39:35,681 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:35,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:35,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:35,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:35,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:35,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:35,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:39:35,704 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:37,078 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 471 [2021-06-06 11:39:37,079 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:37,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:37,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:37,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:37,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:37,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:37,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:37,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:39:37,130 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:37,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:37,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:37,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:37,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:37,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:39:37,160 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:38,391 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 455 [2021-06-06 11:39:38,391 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:38,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:38,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:38,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:38,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:38,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:38,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:39:38,415 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:39,630 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 440 [2021-06-06 11:39:39,631 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:39,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:39,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:39,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:39,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:39,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 11:39:39,668 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:39,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:39,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:39,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:39,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:39,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:39,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 11:39:39,691 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:40,780 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 423 [2021-06-06 11:39:40,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:40,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:40,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:40,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:40,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:40,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:39:40,816 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:40,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:40,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:40,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:40,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:40,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:40,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:39:40,839 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:41,862 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 406 [2021-06-06 11:39:41,863 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:41,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:41,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:41,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:41,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:41,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:41,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 11:39:41,887 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:42,858 WARN L205 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2021-06-06 11:39:42,858 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:42,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:42,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:42,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:42,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:42,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:42,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:42,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-06 11:39:42,890 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:42,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:42,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:42,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:42,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:42,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-06 11:39:42,910 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:43,837 WARN L205 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2021-06-06 11:39:43,838 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:43,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:43,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:43,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:43,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:43,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:43,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:43,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 11:39:43,869 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:43,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:43,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:43,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:43,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:43,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-06 11:39:43,906 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:44,758 WARN L205 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2021-06-06 11:39:44,759 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:44,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:44,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:44,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:44,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:44,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:44,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 11:39:44,779 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:45,612 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2021-06-06 11:39:45,612 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:45,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:45,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:45,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:45,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:45,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:45,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:45,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:39:45,642 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:45,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:45,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:45,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:45,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:45,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:39:45,661 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:46,427 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-06-06 11:39:46,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:46,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:46,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:46,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:46,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:46,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:46,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:39:46,446 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:47,177 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-06-06 11:39:47,177 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:47,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:47,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:47,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:47,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:47,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:47,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:39:47,213 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:47,941 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-06-06 11:39:47,942 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:47,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:47,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:47,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:47,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:47,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-06 11:39:47,969 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:47,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:47,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:47,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:47,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:47,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:47,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-06 11:39:47,986 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:48,639 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2021-06-06 11:39:48,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:48,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:48,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:39:48,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:48,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:48,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:39:48,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-06 11:39:48,656 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-06 11:39:49,257 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-06-06 11:39:49,258 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:39:49,281 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 21 xjuncts. [2021-06-06 11:39:49,281 INFO L247 ElimStorePlain]: Needed 48 recursive calls to eliminate 96 variables, input treesize:3924, output treesize:252 [2021-06-06 11:39:49,478 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:39:49,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542501099] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:39:49,479 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:39:49,479 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-06 11:39:49,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314647394] [2021-06-06 11:39:49,479 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 11:39:49,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:39:49,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 11:39:49,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=899, Unknown=0, NotChecked=0, Total=992 [2021-06-06 11:39:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:39:49,480 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:39:49,480 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:39:49,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:39:49,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:39:49,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:39:49,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:39:49,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:39:49,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:39:49,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:39:49,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:39:49,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:39:49,935 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 35 [2021-06-06 11:39:50,333 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2021-06-06 11:39:50,887 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2021-06-06 11:39:51,080 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 61 [2021-06-06 11:39:51,396 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-06-06 11:39:51,685 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 85 [2021-06-06 11:39:53,356 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 560 DAG size of output: 204 [2021-06-06 11:39:56,062 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 300 DAG size of output: 123 [2021-06-06 11:40:00,210 WARN L205 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 604 DAG size of output: 167 [2021-06-06 11:40:01,062 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2021-06-06 11:40:01,521 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-06-06 11:40:02,152 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-06-06 11:40:03,075 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2021-06-06 11:40:03,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:40:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:40:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:40:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:40:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:40:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:40:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:40:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:40:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 11:40:03,359 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable287 [2021-06-06 11:40:03,360 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:40:03,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:40:03,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1933198930, now seen corresponding path program 6 times [2021-06-06 11:40:03,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:40:03,360 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394057596] [2021-06-06 11:40:03,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:40:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:40:03,485 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:40:03,485 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:40:03,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394057596] [2021-06-06 11:40:03,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394057596] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:40:03,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555074618] [2021-06-06 11:40:03,486 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:40:03,531 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 11:40:03,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:40:03,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 11:40:03,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:40:03,728 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:40:03,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555074618] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:40:03,728 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:40:03,728 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-06 11:40:03,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47961419] [2021-06-06 11:40:03,728 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 11:40:03,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:40:03,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 11:40:03,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-06 11:40:03,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:40:03,730 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:40:03,730 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:40:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:40:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:40:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:40:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:40:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:40:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:40:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:40:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:40:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 11:40:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:40:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:40:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:40:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:40:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:40:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:40:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:40:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:40:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:40:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 11:40:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 11:40:04,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable443 [2021-06-06 11:40:04,125 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:40:04,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:40:04,126 INFO L82 PathProgramCache]: Analyzing trace with hash 976790896, now seen corresponding path program 7 times [2021-06-06 11:40:04,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:40:04,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543944684] [2021-06-06 11:40:04,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:40:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:40:07,714 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 30 [2021-06-06 11:40:07,977 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2021-06-06 11:40:08,380 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 69 [2021-06-06 11:40:08,620 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 249 [2021-06-06 11:40:09,268 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 101 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown