/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-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 05:58:46,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 05:58:46,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 05:58:46,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 05:58:46,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 05:58:46,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 05:58:46,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 05:58:46,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 05:58:46,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 05:58:46,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 05:58:46,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 05:58:46,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 05:58:46,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 05:58:46,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 05:58:46,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 05:58:46,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 05:58:46,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 05:58:46,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 05:58:46,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 05:58:46,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 05:58:46,048 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 05:58:46,066 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 05:58:46,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 05:58:46,067 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 05:58:46,067 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 05:58:46,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 05:58:46,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 05:58:46,068 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 05:58:46,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 05:58:46,068 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 05:58:46,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 05:58:46,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 05:58:46,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 05:58:46,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 05:58:46,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 05:58:46,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 05:58:46,069 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 05:58:46,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 05:58:46,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 05:58:46,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 05:58:46,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 05:58:46,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 05:58:46,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 05:58:46,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 05:58:46,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 05:58:46,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 05:58:46,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 05:58:46,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 05:58:46,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 05:58:46,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 05:58:46,071 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 05:58:46,071 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 05:58:46,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 05:58:46,071 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 05:58:46,071 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 05:58:46,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 05:58:46,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 05:58:46,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 05:58:46,306 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 05:58:46,307 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 05:58:46,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl [2021-06-06 05:58:46,308 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl' [2021-06-06 05:58:46,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 05:58:46,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 05:58:46,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 05:58:46,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 05:58:46,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 05:58:46,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:46" (1/1) ... [2021-06-06 05:58:46,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:46" (1/1) ... [2021-06-06 05:58:46,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 05:58:46,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 05:58:46,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 05:58:46,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 05:58:46,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:46" (1/1) ... [2021-06-06 05:58:46,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:46" (1/1) ... [2021-06-06 05:58:46,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:46" (1/1) ... [2021-06-06 05:58:46,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:46" (1/1) ... [2021-06-06 05:58:46,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:46" (1/1) ... [2021-06-06 05:58:46,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:46" (1/1) ... [2021-06-06 05:58:46,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:46" (1/1) ... [2021-06-06 05:58:46,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 05:58:46,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 05:58:46,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 05:58:46,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 05:58:46,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:46" (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 05:58:46,433 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 05:58:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 05:58:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 05:58:46,434 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 05:58:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 05:58:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 05:58:46,434 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 05:58:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 05:58:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 05:58:46,434 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 05:58:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 05:58:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 05:58:46,435 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 05:58:46,570 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 05:58:46,571 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 05:58:46,572 INFO L202 PluginConnector]: Adding new model min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:58:46 BoogieIcfgContainer [2021-06-06 05:58:46,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 05:58:46,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 05:58:46,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 05:58:46,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 05:58:46,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:46" (1/2) ... [2021-06-06 05:58:46,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cfd8c8 and model type min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 05:58:46, skipping insertion in model container [2021-06-06 05:58:46,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:58:46" (2/2) ... [2021-06-06 05:58:46,577 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun.wvr.bpl [2021-06-06 05:58:46,580 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 05:58:46,580 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 05:58:46,581 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 05:58:46,581 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 05:58:46,621 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 05:58:46,635 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 05:58:46,720 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 05:58:46,720 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 05:58:46,720 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 05:58:46,720 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 05:58:46,720 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 05:58:46,720 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 05:58:46,720 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 05:58:46,720 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 05:58:46,767 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:58:46,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:58:46,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-06-06 05:58:46,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:58:46,780 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948503188] [2021-06-06 05:58:46,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:58:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:58:46,957 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 05:58:46,957 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:58:46,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948503188] [2021-06-06 05:58:46,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948503188] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 05:58:46,958 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 05:58:46,958 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 05:58:46,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287186481] [2021-06-06 05:58:46,961 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 05:58:46,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:58:46,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 05:58:46,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 05:58:46,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:58:46,976 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:58:46,978 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 05:58:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:58:47,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:58:47,001 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 05:58:47,001 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:58:47,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:58:47,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-06-06 05:58:47,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:58:47,005 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053281264] [2021-06-06 05:58:47,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:58:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:58:47,064 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 05:58:47,065 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:58:47,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053281264] [2021-06-06 05:58:47,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053281264] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 05:58:47,065 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 05:58:47,065 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 05:58:47,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362367942] [2021-06-06 05:58:47,066 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 05:58:47,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:58:47,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 05:58:47,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 05:58:47,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:58:47,067 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:58:47,067 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 05:58:47,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:58:47,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:58:47,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:58:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:58:47,098 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 05:58:47,098 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:58:47,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:58:47,099 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-06-06 05:58:47,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:58:47,100 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708896333] [2021-06-06 05:58:47,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:58:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:58:47,508 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 05:58:47,508 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:58:47,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708896333] [2021-06-06 05:58:47,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708896333] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:58:47,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319249602] [2021-06-06 05:58:47,509 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 05:58:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:58:47,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 05:58:47,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:58:47,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:58:47,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:58:47,913 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 05:58:47,915 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:58:47,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:58:47,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:58:47,919 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 05:58:47,920 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:58:47,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:58:47,926 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 05:58:47,926 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:58:47,936 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:58:47,939 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 05:58:47,939 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-06-06 05:58:47,979 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 05:58:47,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319249602] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:58:47,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:58:47,980 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 05:58:47,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870204374] [2021-06-06 05:58:47,981 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 05:58:47,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:58:47,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 05:58:47,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-06 05:58:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:58:47,984 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:58:47,984 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 05:58:47,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:58:47,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:58:47,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:58:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:58:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:58:48,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:58:48,347 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:58:48,347 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:58:48,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:58:48,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-06-06 05:58:48,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:58:48,348 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277786123] [2021-06-06 05:58:48,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:58:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:58:48,417 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 05:58:48,418 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:58:48,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277786123] [2021-06-06 05:58:48,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277786123] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:58:48,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336592788] [2021-06-06 05:58:48,418 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 05:58:48,452 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:58:48,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:58:48,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 05:58:48,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:58:48,562 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 05:58:48,563 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336592788] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:58:48,563 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:58:48,563 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 05:58:48,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973539499] [2021-06-06 05:58:48,564 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 05:58:48,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:58:48,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 05:58:48,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 05:58:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:58:48,566 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:58:48,566 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 05:58:48,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:58:48,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:58:48,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:58:48,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:58:48,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:58:48,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:58:48,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:58:48,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:58:48,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-06 05:58:48,921 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:58:48,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:58:48,921 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-06-06 05:58:48,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:58:48,921 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109527623] [2021-06-06 05:58:48,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:58:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:58:48,961 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 05:58:48,961 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:58:48,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109527623] [2021-06-06 05:58:48,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109527623] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:58:48,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440869199] [2021-06-06 05:58:48,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:58:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:58:48,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 05:58:48,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:58:49,058 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 05:58:49,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440869199] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:58:49,058 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:58:49,059 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 05:58:49,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794375450] [2021-06-06 05:58:49,059 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 05:58:49,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:58:49,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 05:58:49,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 05:58:49,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:58:49,060 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:58:49,060 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 05:58:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:58:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:58:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:58:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:58:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:58:49,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:58:49,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:58:49,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:58:49,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:58:49,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:58:49,354 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:58:49,354 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:58:49,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:58:49,355 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-06-06 05:58:49,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:58:49,355 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792961907] [2021-06-06 05:58:49,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:58:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:58:49,776 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2021-06-06 05:58:49,947 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 67 [2021-06-06 05:58:50,111 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 62 [2021-06-06 05:58:50,256 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2021-06-06 05:58:50,448 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2021-06-06 05:58:50,577 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 05:58:50,577 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:58:50,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792961907] [2021-06-06 05:58:50,578 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792961907] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:58:50,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271405190] [2021-06-06 05:58:50,578 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 05:58:50,618 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:58:50,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:58:50,619 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 05:58:50,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:58:51,852 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-06-06 05:58:53,228 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 05:58:53,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:58:53,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:58:53,340 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:58:53,340 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 05:58:53,349 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:58:53,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:58:53,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:58:53,408 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:58:53,408 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 05:58:53,423 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:58:56,863 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 370 DAG size of output: 368 [2021-06-06 05:58:56,864 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.6 percent of original size [2021-06-06 05:58:56,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:58:56,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:58:56,962 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:58:56,963 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 05:58:56,975 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:58:56,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:58:57,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:58:57,066 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-06 05:58:57,066 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 05:58:57,085 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:00,364 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 365 DAG size of output: 359 [2021-06-06 05:59:00,365 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-06 05:59:00,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:00,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:00,443 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:59:00,444 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 05:59:00,460 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:00,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:00,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:00,536 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:59:00,536 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 05:59:00,553 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:02,130 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 351 [2021-06-06 05:59:02,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:02,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:02,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:02,216 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:59:02,216 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 05:59:02,236 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:02,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:02,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:02,314 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:59:02,314 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 05:59:02,319 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:03,834 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-06 05:59:03,835 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:03,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:03,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:03,927 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:59:03,927 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 05:59:03,937 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:03,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:03,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:03,992 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:59:03,992 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 05:59:03,994 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:05,479 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 336 [2021-06-06 05:59:05,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:05,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:05,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:05,548 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:59:05,549 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 05:59:05,550 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:05,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:05,612 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:59:05,612 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 05:59:05,615 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:07,059 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 325 [2021-06-06 05:59:07,059 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:07,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:07,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:07,124 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:59:07,124 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 05:59:07,126 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:07,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:07,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:07,187 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:59:07,188 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 05:59:07,191 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:08,570 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 313 [2021-06-06 05:59:08,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:08,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:08,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:08,644 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 05:59:08,645 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 05:59:08,651 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:08,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:08,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:08,707 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:08,708 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 05:59:08,719 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:11,312 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 306 DAG size of output: 299 [2021-06-06 05:59:11,313 INFO L628 ElimStorePlain]: treesize reduction 17, result has 99.2 percent of original size [2021-06-06 05:59:11,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:11,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:11,396 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:59:11,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 42 [2021-06-06 05:59:11,425 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:11,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:11,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:11,476 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:59:11,477 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 05:59:11,479 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:12,678 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 287 [2021-06-06 05:59:12,678 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:12,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:12,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:12,741 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:59:12,742 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 05:59:12,744 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:12,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:12,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:12,812 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:59:12,812 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 05:59:12,819 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:13,965 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 274 [2021-06-06 05:59:13,965 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:13,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:13,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:14,034 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:59:14,034 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 05:59:14,050 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:14,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:14,110 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 05:59:14,110 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 05:59:14,118 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:15,210 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 263 [2021-06-06 05:59:15,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:15,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:15,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:15,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:15,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:15,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:15,268 INFO L354 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2021-06-06 05:59:15,268 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 05:59:15,271 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:15,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:15,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:15,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:15,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:15,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:15,319 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:15,319 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 05:59:15,330 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:16,394 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 255 [2021-06-06 05:59:16,395 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:16,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:16,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:16,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:16,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:16,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:16,463 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-06 05:59:16,464 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 05:59:16,473 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:16,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:16,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:16,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:16,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:16,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:16,529 INFO L354 Elim1Store]: treesize reduction 16, result has 68.6 percent of original size [2021-06-06 05:59:16,529 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 05:59:16,545 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:17,559 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 241 [2021-06-06 05:59:17,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:17,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:17,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:17,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:17,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:17,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:17,616 INFO L354 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2021-06-06 05:59:17,616 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 05:59:17,624 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:17,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:17,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:17,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:17,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:17,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:17,667 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-06-06 05:59:17,668 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 05:59:17,681 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:18,699 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 233 [2021-06-06 05:59:18,699 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:18,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:18,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:18,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:18,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:18,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:18,793 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-06-06 05:59:18,793 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 05:59:18,807 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:18,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:18,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:18,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:18,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:18,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:18,867 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-06 05:59:18,867 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 05:59:18,875 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:19,849 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-06-06 05:59:19,849 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:19,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:19,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:19,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:19,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:19,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:19,914 INFO L354 Elim1Store]: treesize reduction 30, result has 41.2 percent of original size [2021-06-06 05:59:19,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 05:59:19,918 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:19,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:19,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:19,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:19,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:19,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:19,965 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-06 05:59:19,965 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 05:59:19,973 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:20,891 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-06-06 05:59:20,891 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:21,078 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 05:59:21,078 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2333, output treesize:2330 [2021-06-06 05:59:21,822 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 77 [2021-06-06 05:59:21,941 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 05:59:21,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271405190] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:59:21,942 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:59:21,942 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-06 05:59:21,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388386700] [2021-06-06 05:59:21,942 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 05:59:21,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:59:21,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 05:59:21,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-06 05:59:21,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:59:21,943 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:59:21,943 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 05:59:21,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:59:21,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:59:21,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:59:21,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:59:21,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:59:21,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:59:22,139 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 35 [2021-06-06 05:59:22,353 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 53 [2021-06-06 05:59:22,595 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-06-06 05:59:22,920 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-06-06 05:59:23,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:59:23,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:59:23,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:59:23,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:59:23,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:59:23,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:59:23,231 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 05:59:23,231 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:59:23,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:59:23,231 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-06-06 05:59:23,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:59:23,231 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722140320] [2021-06-06 05:59:23,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:59:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:59:23,307 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 05:59:23,307 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:59:23,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722140320] [2021-06-06 05:59:23,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722140320] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:59:23,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342935279] [2021-06-06 05:59:23,308 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 05:59:23,343 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 05:59:23,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:59:23,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 05:59:23,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:59:23,459 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 05:59:23,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342935279] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:59:23,459 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:59:23,459 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 05:59:23,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800202581] [2021-06-06 05:59:23,460 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 05:59:23,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:59:23,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 05:59:23,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 05:59:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:59:23,460 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:59:23,461 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 05:59:23,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:59:23,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:59:23,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:59:23,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:59:23,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:59:23,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:59:23,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:59:23,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:59:23,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:59:23,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:59:23,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:59:23,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:59:23,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:59:23,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:59:24,014 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:59:24,014 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:59:24,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:59:24,014 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-06-06 05:59:24,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:59:24,015 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311610182] [2021-06-06 05:59:24,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:59:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:59:24,092 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 05:59:24,092 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:59:24,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311610182] [2021-06-06 05:59:24,092 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311610182] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:59:24,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223632905] [2021-06-06 05:59:24,092 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 05:59:24,127 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 05:59:24,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:59:24,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 05:59:24,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:59:24,225 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 05:59:24,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223632905] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:59:24,225 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:59:24,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 05:59:24,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731624882] [2021-06-06 05:59:24,225 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 05:59:24,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:59:24,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 05:59:24,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 05:59:24,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:59:24,226 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:59:24,226 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 05:59:24,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:59:24,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:59:24,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:59:24,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:59:24,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:59:24,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:59:24,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:59:24,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:59:24,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:59:24,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:59:24,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:59:24,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:59:24,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:59:24,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:59:24,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:59:24,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:59:24,553 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:59:24,553 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:59:24,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:59:24,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-06-06 05:59:24,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:59:24,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621800616] [2021-06-06 05:59:24,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:59:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:59:25,629 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 46 [2021-06-06 05:59:25,938 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 248 [2021-06-06 05:59:26,493 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 74 [2021-06-06 05:59:27,078 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 344 [2021-06-06 05:59:28,257 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 344 DAG size of output: 124 [2021-06-06 05:59:29,002 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 423 [2021-06-06 05:59:30,891 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 423 DAG size of output: 203 [2021-06-06 05:59:31,545 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 418 [2021-06-06 05:59:33,416 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 418 DAG size of output: 198 [2021-06-06 05:59:34,233 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 373 [2021-06-06 05:59:35,416 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 373 DAG size of output: 121 [2021-06-06 05:59:35,893 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 254 [2021-06-06 05:59:36,563 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 75 [2021-06-06 05:59:36,669 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 158 [2021-06-06 05:59:37,047 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 45 [2021-06-06 05:59:37,158 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 156 [2021-06-06 05:59:37,504 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 43 [2021-06-06 05:59:37,697 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 05:59:37,697 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:59:37,697 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621800616] [2021-06-06 05:59:37,697 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621800616] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:59:37,697 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525382342] [2021-06-06 05:59:37,697 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 05:59:37,737 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 05:59:37,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:59:37,738 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 05:59:37,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:59:39,450 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-06 05:59:40,901 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-06 05:59:44,436 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 393 DAG size of output: 359 [2021-06-06 05:59:47,751 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 399 DAG size of output: 363 [2021-06-06 05:59:51,360 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 405 DAG size of output: 367 [2021-06-06 05:59:52,886 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 366 [2021-06-06 05:59:54,286 WARN L205 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2021-06-06 05:59:56,179 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2021-06-06 05:59:56,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:59:56,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:56,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:56,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:56,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:56,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:59:56,894 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 05:59:56,896 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:56,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:59:56,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:56,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:56,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:56,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:56,933 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 05:59:56,934 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:04,546 WARN L205 SmtUtils]: Spent 7.61 s on a formula simplification. DAG size of input: 798 DAG size of output: 728 [2021-06-06 06:00:04,547 INFO L628 ElimStorePlain]: treesize reduction 1197, result has 68.9 percent of original size [2021-06-06 06:00:04,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:04,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:04,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:04,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:04,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:04,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:04,611 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 06:00:04,612 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:04,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:04,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:04,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:04,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:04,645 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 06:00:04,647 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:07,623 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 716 [2021-06-06 06:00:07,623 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:07,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:07,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:07,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:07,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:07,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:07,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:07,683 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 06:00:07,685 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:07,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:07,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:07,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:07,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:07,725 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 06:00:07,726 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:10,613 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 699 [2021-06-06 06:00:10,614 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:10,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:10,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:10,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:10,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:10,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:10,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 06:00:10,649 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:13,320 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 687 [2021-06-06 06:00:13,321 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:13,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:13,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:13,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:13,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:13,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:13,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:13,382 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 06:00:13,394 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:13,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:13,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:13,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:13,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:13,438 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 06:00:13,441 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:16,173 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification that was a NOOP. DAG size: 672 [2021-06-06 06:00:16,174 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:16,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:16,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:16,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:16,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:16,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:16,206 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 06:00:16,208 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:18,760 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 657 [2021-06-06 06:00:18,761 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:18,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:18,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:18,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:18,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:18,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:18,792 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 06:00:18,794 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:21,228 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 642 [2021-06-06 06:00:21,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:21,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:21,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:21,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:21,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:21,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:21,283 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 06:00:21,284 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:21,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:21,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:21,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:21,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:21,318 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 06:00:21,320 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:23,493 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 626 [2021-06-06 06:00:23,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:23,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:23,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:23,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:23,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:23,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:23,524 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 06:00:23,525 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:25,650 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 611 [2021-06-06 06:00:25,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:25,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:25,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:25,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:25,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:25,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:25,681 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 06:00:25,683 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:27,728 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 597 [2021-06-06 06:00:27,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:27,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:27,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:27,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:27,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:27,777 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 06:00:27,779 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:27,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:27,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:27,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:27,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:27,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:27,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 06:00:27,811 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:29,800 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 580 [2021-06-06 06:00:29,800 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:29,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:29,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:29,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:29,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:29,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:29,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 06:00:29,830 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:31,777 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 567 [2021-06-06 06:00:31,777 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:31,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:31,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:31,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:31,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:31,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:31,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:31,821 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 06:00:31,823 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:31,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:31,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:31,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:31,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:31,850 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 40 treesize of output 22 [2021-06-06 06:00:31,852 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:33,585 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 550 [2021-06-06 06:00:33,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:33,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:33,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:33,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:33,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:33,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:33,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:33,633 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 06:00:33,635 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:33,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:33,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:33,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:33,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:33,661 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 06:00:33,662 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:35,314 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 533 [2021-06-06 06:00:35,315 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:35,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:35,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:35,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:35,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:35,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:35,343 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 06:00:35,346 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:37,041 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 518 [2021-06-06 06:00:37,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:37,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:37,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:37,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:37,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:37,086 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 06:00:37,087 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:37,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:37,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:37,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:37,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:37,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:37,111 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 06:00:37,113 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:38,712 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 501 [2021-06-06 06:00:38,712 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:38,713 INFO L518 ElimStorePlain]: Eliminatee v_prenex_150 vanished before elimination [2021-06-06 06:00:38,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:38,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:38,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:38,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:38,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:38,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:38,749 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 06:00:38,750 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:40,294 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 486 [2021-06-06 06:00:40,294 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:40,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:40,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:40,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:40,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:40,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:40,318 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 06:00:40,319 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:41,777 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 471 [2021-06-06 06:00:41,779 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:41,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:41,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:41,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:41,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:41,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:41,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:41,820 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 06:00:41,822 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:41,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:41,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:41,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:41,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:41,848 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 06:00:41,850 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:43,220 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 455 [2021-06-06 06:00:43,221 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:43,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:43,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:43,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:43,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:43,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:43,243 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 06:00:43,246 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:44,532 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 440 [2021-06-06 06:00:44,533 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:44,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:44,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:44,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:44,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:44,576 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 06:00:44,578 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:44,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:44,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:44,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:44,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:44,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:44,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 06:00:44,610 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:45,854 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 423 [2021-06-06 06:00:45,854 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:45,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:45,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:45,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:45,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:45,888 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 06:00:45,890 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:45,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:45,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:45,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:45,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:45,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:45,922 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 06:00:45,923 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:47,091 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 406 [2021-06-06 06:00:47,091 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:47,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:47,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:47,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:47,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:47,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:47,116 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 06:00:47,118 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:48,198 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 391 [2021-06-06 06:00:48,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:48,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:48,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:48,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:48,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:48,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:48,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:48,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-06 06:00:48,233 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:48,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:48,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:48,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:48,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:48,255 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 06:00:48,257 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:49,309 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 374 [2021-06-06 06:00:49,309 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:49,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:49,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:49,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:49,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:49,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:49,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:49,372 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 06:00:49,374 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:49,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:49,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:49,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:49,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:49,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 06:00:49,402 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:50,338 WARN L205 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2021-06-06 06:00:50,338 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:50,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:50,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:50,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:50,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:50,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:50,359 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 06:00:50,360 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:51,267 WARN L205 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2021-06-06 06:00:51,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:51,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:51,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:51,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:51,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:51,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:51,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:51,298 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 06:00:51,299 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:51,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:51,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:51,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:51,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:51,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 06:00:51,321 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:52,148 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-06-06 06:00:52,149 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:52,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:52,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:52,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:52,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:52,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:52,168 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 06:00:52,169 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:52,937 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-06-06 06:00:52,938 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:52,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:52,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:52,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:52,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:52,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:52,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 06:00:52,964 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:53,712 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-06-06 06:00:53,713 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:53,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:53,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:53,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:53,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:53,749 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 06:00:53,751 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:53,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:53,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:53,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:53,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:53,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:53,769 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 06:00:53,771 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:54,463 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2021-06-06 06:00:54,463 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:54,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:54,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:54,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:54,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:54,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:54,479 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 06:00:54,481 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:55,150 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-06-06 06:00:55,150 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:55,172 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 06:00:55,172 INFO L247 ElimStorePlain]: Needed 48 recursive calls to eliminate 96 variables, input treesize:3924, output treesize:252 [2021-06-06 06:00:55,381 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 06:00:55,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525382342] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:00:55,382 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:00:55,382 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-06 06:00:55,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247041752] [2021-06-06 06:00:55,382 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 06:00:55,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:00:55,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 06:00:55,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=899, Unknown=0, NotChecked=0, Total=992 [2021-06-06 06:00:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:55,383 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:00:55,383 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 06:00:55,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:00:55,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:00:55,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:00:55,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:00:55,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:00:55,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:00:55,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:00:55,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:00:55,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:55,859 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 35 [2021-06-06 06:00:56,278 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2021-06-06 06:00:56,869 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2021-06-06 06:00:57,078 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 61 [2021-06-06 06:00:57,420 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-06-06 06:00:57,728 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 85 [2021-06-06 06:00:59,546 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 560 DAG size of output: 204 [2021-06-06 06:01:02,388 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 300 DAG size of output: 123 [2021-06-06 06:01:06,795 WARN L205 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 604 DAG size of output: 167 [2021-06-06 06:01:07,721 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2021-06-06 06:01:08,107 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-06-06 06:01:08,721 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-06-06 06:01:09,683 WARN L205 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2021-06-06 06:01:09,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:01:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:01:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:01:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:01:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:01:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:01:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:01:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:01:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:01:09,974 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable287 [2021-06-06 06:01:09,974 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:01:09,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:01:09,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1933198930, now seen corresponding path program 6 times [2021-06-06 06:01:09,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:01:09,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44740060] [2021-06-06 06:01:09,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:01:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:01:10,100 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 06:01:10,100 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:01:10,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44740060] [2021-06-06 06:01:10,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44740060] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:01:10,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169315963] [2021-06-06 06:01:10,100 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 06:01:10,144 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 06:01:10,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:01:10,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 06:01:10,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:01:10,386 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 06:01:10,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169315963] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:01:10,386 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:01:10,386 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-06 06:01:10,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917602117] [2021-06-06 06:01:10,386 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 06:01:10,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:01:10,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 06:01:10,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-06 06:01:10,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:01:10,387 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:01:10,387 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 06:01:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:01:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:01:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:01:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:01:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:01:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:01:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:01:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:01:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:01:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:01:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:01:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:01:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:01:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:01:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:01:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:01:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:01:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:01:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:01:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:01:10,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable443 [2021-06-06 06:01:10,773 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:01:10,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:01:10,773 INFO L82 PathProgramCache]: Analyzing trace with hash 976790896, now seen corresponding path program 7 times [2021-06-06 06:01:10,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:01:10,773 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24309689] [2021-06-06 06:01:10,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:01:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:01:14,222 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 30 [2021-06-06 06:01:14,468 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2021-06-06 06:01:14,867 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 69 [2021-06-06 06:01:15,103 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 249 [2021-06-06 06:01:15,747 WARN L205 SmtUtils]: Spent 606.00 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