/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 09:25:16,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 09:25:16,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 09:25:16,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 09:25:16,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 09:25:16,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 09:25:16,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 09:25:16,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 09:25:16,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 09:25:16,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 09:25:16,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 09:25:16,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 09:25:16,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 09:25:16,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 09:25:16,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 09:25:16,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 09:25:16,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 09:25:16,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 09:25:16,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 09:25:16,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 09:25:16,267 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-10 09:25:16,296 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 09:25:16,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 09:25:16,297 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 09:25:16,297 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 09:25:16,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 09:25:16,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 09:25:16,298 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 09:25:16,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 09:25:16,298 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 09:25:16,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 09:25:16,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 09:25:16,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 09:25:16,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 09:25:16,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 09:25:16,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 09:25:16,299 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 09:25:16,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 09:25:16,299 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 09:25:16,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 09:25:16,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 09:25:16,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 09:25:16,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 09:25:16,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 09:25:16,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 09:25:16,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 09:25:16,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 09:25:16,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 09:25:16,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 09:25:16,300 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 09:25:16,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 09:25:16,300 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 09:25:16,300 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 09:25:16,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 09:25:16,300 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 09:25:16,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 09:25:16,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 09:25:16,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 09:25:16,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 09:25:16,602 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 09:25:16,603 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 09:25:16,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2021-07-10 09:25:16,604 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2021-07-10 09:25:16,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 09:25:16,624 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 09:25:16,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 09:25:16,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 09:25:16,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 09:25:16,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:16" (1/1) ... [2021-07-10 09:25:16,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:16" (1/1) ... [2021-07-10 09:25:16,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 09:25:16,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 09:25:16,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 09:25:16,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 09:25:16,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:16" (1/1) ... [2021-07-10 09:25:16,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:16" (1/1) ... [2021-07-10 09:25:16,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:16" (1/1) ... [2021-07-10 09:25:16,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:16" (1/1) ... [2021-07-10 09:25:16,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:16" (1/1) ... [2021-07-10 09:25:16,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:16" (1/1) ... [2021-07-10 09:25:16,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:16" (1/1) ... [2021-07-10 09:25:16,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 09:25:16,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 09:25:16,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 09:25:16,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 09:25:16,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 09:25:16,713 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 09:25:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 09:25:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 09:25:16,714 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 09:25:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 09:25:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 09:25:16,714 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 09:25:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 09:25:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 09:25:16,715 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 09:25:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 09:25:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 09:25:16,715 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 09:25:16,937 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 09:25:16,937 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 09:25:16,938 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 09:25:16 BoogieIcfgContainer [2021-07-10 09:25:16,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 09:25:16,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 09:25:16,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 09:25:16,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 09:25:16,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:16" (1/2) ... [2021-07-10 09:25:16,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754e6432 and model type max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 09:25:16, skipping insertion in model container [2021-07-10 09:25:16,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 09:25:16" (2/2) ... [2021-07-10 09:25:16,943 INFO L111 eAbstractionObserver]: Analyzing ICFG max-fun.wvr.bpl [2021-07-10 09:25:16,947 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 09:25:16,947 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 09:25:16,947 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 09:25:16,947 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 09:25:17,004 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 09:25:17,022 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 09:25:17,073 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 09:25:17,073 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 09:25:17,073 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 09:25:17,073 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 09:25:17,073 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 09:25:17,073 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 09:25:17,073 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 09:25:17,074 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 09:25:17,162 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:25:17,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:25:17,166 INFO L82 PathProgramCache]: Analyzing trace with hash 107147796, now seen corresponding path program 1 times [2021-07-10 09:25:17,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:25:17,184 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812066833] [2021-07-10 09:25:17,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:25:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:25:17,312 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:25:17,312 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812066833] [2021-07-10 09:25:17,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812066833] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 09:25:17,313 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 09:25:17,313 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 09:25:17,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276518401] [2021-07-10 09:25:17,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 09:25:17,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:25:17,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 09:25:17,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 09:25:17,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:17,325 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:25:17,327 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 09:25:17,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:17,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:17,347 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 09:25:17,347 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:25:17,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:25:17,347 INFO L82 PathProgramCache]: Analyzing trace with hash 597095090, now seen corresponding path program 1 times [2021-07-10 09:25:17,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:25:17,348 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292717978] [2021-07-10 09:25:17,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:25:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:17,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 09:25:17,377 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:25:17,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292717978] [2021-07-10 09:25:17,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292717978] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 09:25:17,377 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 09:25:17,377 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 09:25:17,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19411164] [2021-07-10 09:25:17,378 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 09:25:17,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:25:17,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 09:25:17,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 09:25:17,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:17,379 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:25:17,380 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 09:25:17,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:17,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:17,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:17,409 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 09:25:17,409 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:25:17,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:25:17,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1592437936, now seen corresponding path program 1 times [2021-07-10 09:25:17,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:25:17,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632130308] [2021-07-10 09:25:17,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:25:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:17,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:25:17,849 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:25:17,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632130308] [2021-07-10 09:25:17,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632130308] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:17,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604027980] [2021-07-10 09:25:17,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:25:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:17,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 09:25:17,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:25:18,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:18,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:18,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2021-07-10 09:25:18,277 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:18,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:18,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:18,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-10 09:25:18,282 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:18,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:25:18,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-10 09:25:18,286 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:18,296 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:18,299 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 09:25:18,300 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-07-10 09:25:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:25:18,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604027980] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:18,354 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:25:18,354 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-10 09:25:18,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759080974] [2021-07-10 09:25:18,355 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 09:25:18,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:25:18,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 09:25:18,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-07-10 09:25:18,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:18,356 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:25:18,356 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 09:25:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:18,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:18,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:18,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:25:18,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:25:18,753 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:25:18,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:25:18,754 INFO L82 PathProgramCache]: Analyzing trace with hash 217830638, now seen corresponding path program 2 times [2021-07-10 09:25:18,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:25:18,754 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895773102] [2021-07-10 09:25:18,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:25:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:18,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:25:18,812 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:25:18,812 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895773102] [2021-07-10 09:25:18,813 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895773102] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:18,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566700925] [2021-07-10 09:25:18,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:25:18,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 09:25:18,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:25:18,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 09:25:18,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:25:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:25:18,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566700925] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:18,933 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:25:18,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-10 09:25:18,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610454087] [2021-07-10 09:25:18,934 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 09:25:18,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:25:18,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 09:25:18,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-10 09:25:18,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:18,935 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:25:18,935 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 09:25:18,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:18,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:18,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:25:18,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:19,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:19,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:19,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:25:19,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:25:19,263 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-10 09:25:19,264 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:25:19,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:25:19,264 INFO L82 PathProgramCache]: Analyzing trace with hash -537545550, now seen corresponding path program 1 times [2021-07-10 09:25:19,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:25:19,264 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128706595] [2021-07-10 09:25:19,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:25:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:19,305 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 09:25:19,306 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:25:19,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128706595] [2021-07-10 09:25:19,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128706595] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:19,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792389424] [2021-07-10 09:25:19,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:25:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:19,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 09:25:19,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:25:19,443 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 09:25:19,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792389424] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:19,443 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:25:19,444 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-10 09:25:19,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147471866] [2021-07-10 09:25:19,444 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 09:25:19,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:25:19,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 09:25:19,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-10 09:25:19,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:19,446 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:25:19,446 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 09:25:19,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:19,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:19,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:25:19,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:25:19,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:19,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:19,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:19,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:25:19,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:25:19,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:25:19,759 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:25:19,759 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:25:19,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:25:19,760 INFO L82 PathProgramCache]: Analyzing trace with hash -246413360, now seen corresponding path program 2 times [2021-07-10 09:25:19,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:25:19,760 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128539472] [2021-07-10 09:25:19,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:25:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:20,352 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-07-10 09:25:20,633 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-10 09:25:20,853 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-07-10 09:25:21,009 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2021-07-10 09:25:21,160 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2021-07-10 09:25:21,249 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:25:21,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:25:21,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128539472] [2021-07-10 09:25:21,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128539472] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:21,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881342627] [2021-07-10 09:25:21,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:25:21,299 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 09:25:21,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:25:21,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-10 09:25:21,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:25:26,161 WARN L205 SmtUtils]: Spent 4.49 s on a formula simplification that was a NOOP. DAG size: 67 [2021-07-10 09:25:26,528 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-07-10 09:25:26,883 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-10 09:25:27,174 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-07-10 09:25:27,916 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-07-10 09:25:28,679 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2021-07-10 09:25:30,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:30,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:30,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:30,214 INFO L354 Elim1Store]: treesize reduction 18, result has 71.4 percent of original size [2021-07-10 09:25:30,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 33 treesize of output 63 [2021-07-10 09:25:30,237 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:30,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:30,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:30,348 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-10 09:25:30,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 72 [2021-07-10 09:25:30,360 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:32,272 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 424 [2021-07-10 09:25:32,273 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:32,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:32,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:32,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:32,381 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-10 09:25:32,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 48 treesize of output 60 [2021-07-10 09:25:32,387 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:32,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:32,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:32,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:32,495 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 09:25:32,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 53 treesize of output 71 [2021-07-10 09:25:32,505 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:34,356 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 419 [2021-07-10 09:25:34,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:34,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:34,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:34,494 INFO L354 Elim1Store]: treesize reduction 4, result has 93.7 percent of original size [2021-07-10 09:25:34,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 80 [2021-07-10 09:25:34,521 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:34,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:34,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:34,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:34,619 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:34,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 87 [2021-07-10 09:25:34,654 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:38,318 WARN L205 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 431 DAG size of output: 411 [2021-07-10 09:25:38,319 INFO L628 ElimStorePlain]: treesize reduction 85, result has 96.3 percent of original size [2021-07-10 09:25:38,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:38,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:38,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:38,432 INFO L354 Elim1Store]: treesize reduction 22, result has 65.1 percent of original size [2021-07-10 09:25:38,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 33 treesize of output 59 [2021-07-10 09:25:38,447 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:38,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:38,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:38,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:38,535 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:38,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 28 treesize of output 78 [2021-07-10 09:25:38,569 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:40,355 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 404 [2021-07-10 09:25:40,355 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:40,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:40,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:40,470 INFO L354 Elim1Store]: treesize reduction 22, result has 65.1 percent of original size [2021-07-10 09:25:40,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 62 [2021-07-10 09:25:40,491 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:40,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:40,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:40,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:40,614 INFO L354 Elim1Store]: treesize reduction 4, result has 93.7 percent of original size [2021-07-10 09:25:40,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 83 [2021-07-10 09:25:40,636 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:44,003 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 407 DAG size of output: 397 [2021-07-10 09:25:44,004 INFO L628 ElimStorePlain]: treesize reduction 34, result has 98.4 percent of original size [2021-07-10 09:25:44,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:44,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:44,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:44,104 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-10 09:25:44,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 60 [2021-07-10 09:25:44,116 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:44,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:44,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:44,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:44,219 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 09:25:44,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 33 treesize of output 65 [2021-07-10 09:25:44,244 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:45,868 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 389 [2021-07-10 09:25:45,868 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:45,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:45,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:45,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:45,994 INFO L354 Elim1Store]: treesize reduction 8, result has 87.3 percent of original size [2021-07-10 09:25:45,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 53 treesize of output 79 [2021-07-10 09:25:46,010 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:46,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:46,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:46,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:46,108 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 09:25:46,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 48 treesize of output 68 [2021-07-10 09:25:46,118 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:51,015 WARN L205 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 399 DAG size of output: 396 [2021-07-10 09:25:51,016 INFO L628 ElimStorePlain]: treesize reduction 21, result has 99.0 percent of original size [2021-07-10 09:25:51,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:51,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:51,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:51,138 INFO L354 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2021-07-10 09:25:51,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 43 treesize of output 59 [2021-07-10 09:25:51,152 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:51,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:51,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:51,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:51,249 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 09:25:51,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 64 [2021-07-10 09:25:51,266 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:52,965 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 387 [2021-07-10 09:25:52,966 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:52,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:52,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:52,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:53,075 INFO L354 Elim1Store]: treesize reduction 30, result has 52.4 percent of original size [2021-07-10 09:25:53,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 54 [2021-07-10 09:25:53,092 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:53,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:53,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:53,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:53,184 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 09:25:53,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 67 [2021-07-10 09:25:53,196 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:54,739 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 387 [2021-07-10 09:25:54,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:54,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:54,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:54,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:54,840 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 09:25:54,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 39 treesize of output 61 [2021-07-10 09:25:54,860 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:54,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:54,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:54,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:54,946 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 09:25:54,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 64 [2021-07-10 09:25:54,954 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:56,451 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 379 [2021-07-10 09:25:56,451 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:25:56,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:56,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:56,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:56,566 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-10 09:25:56,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 75 [2021-07-10 09:25:56,583 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:56,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:56,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:56,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:56,682 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-10 09:25:56,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 72 [2021-07-10 09:25:56,694 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:59,690 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 379 DAG size of output: 376 [2021-07-10 09:25:59,692 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.8 percent of original size [2021-07-10 09:25:59,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:59,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:59,782 INFO L354 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2021-07-10 09:25:59,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 37 treesize of output 55 [2021-07-10 09:25:59,796 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:59,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:59,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:59,876 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-10 09:25:59,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 42 treesize of output 60 [2021-07-10 09:25:59,883 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:01,328 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 373 [2021-07-10 09:26:01,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:01,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:01,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:01,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:01,421 INFO L354 Elim1Store]: treesize reduction 34, result has 46.0 percent of original size [2021-07-10 09:26:01,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 50 [2021-07-10 09:26:01,423 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:01,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:01,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:01,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:01,523 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-10 09:26:01,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 75 [2021-07-10 09:26:01,536 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:04,522 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 387 DAG size of output: 385 [2021-07-10 09:26:04,523 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.6 percent of original size [2021-07-10 09:26:04,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:04,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:04,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:04,633 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 09:26:04,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 64 [2021-07-10 09:26:04,645 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:04,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:04,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:04,753 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 09:26:04,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 71 [2021-07-10 09:26:04,764 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:07,614 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 379 DAG size of output: 375 [2021-07-10 09:26:07,615 INFO L628 ElimStorePlain]: treesize reduction 19, result has 99.1 percent of original size [2021-07-10 09:26:07,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:07,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:07,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:07,712 INFO L354 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2021-07-10 09:26:07,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 58 [2021-07-10 09:26:07,730 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:07,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:07,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:07,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:07,816 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 09:26:07,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 67 [2021-07-10 09:26:07,836 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:10,722 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 377 DAG size of output: 372 [2021-07-10 09:26:10,724 INFO L628 ElimStorePlain]: treesize reduction 40, result has 98.0 percent of original size [2021-07-10 09:26:10,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:10,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:10,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:10,830 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 09:26:10,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 47 treesize of output 71 [2021-07-10 09:26:10,836 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:10,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:10,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:10,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:10,909 INFO L354 Elim1Store]: treesize reduction 30, result has 52.4 percent of original size [2021-07-10 09:26:10,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 42 treesize of output 54 [2021-07-10 09:26:10,918 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:13,698 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 373 DAG size of output: 371 [2021-07-10 09:26:13,699 INFO L628 ElimStorePlain]: treesize reduction 11, result has 99.4 percent of original size [2021-07-10 09:26:14,366 INFO L550 ElimStorePlain]: Start of recursive call 1: 33 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-07-10 09:26:14,367 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 49 variables, input treesize:2313, output treesize:3363 [2021-07-10 09:26:15,893 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 270 DAG size of output: 118 [2021-07-10 09:26:16,027 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:26:16,028 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881342627] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:26:16,028 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:26:16,028 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-07-10 09:26:16,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974669460] [2021-07-10 09:26:16,028 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 09:26:16,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:26:16,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 09:26:16,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2021-07-10 09:26:16,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:26:16,029 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:26:16,029 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 09:26:16,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:26:16,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:26:16,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:26:16,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:26:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:26:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:26:16,817 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 55 [2021-07-10 09:26:17,120 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 41 [2021-07-10 09:26:22,695 WARN L205 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 136 DAG size of output: 101 [2021-07-10 09:26:23,019 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 56 [2021-07-10 09:26:24,746 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 137 DAG size of output: 98 [2021-07-10 09:26:28,588 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 287 DAG size of output: 194 [2021-07-10 09:26:34,645 WARN L205 SmtUtils]: Spent 5.95 s on a formula simplification. DAG size of input: 230 DAG size of output: 104 [2021-07-10 09:26:37,871 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 192 DAG size of output: 108 [2021-07-10 09:26:38,632 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 101 [2021-07-10 09:26:48,906 WARN L205 SmtUtils]: Spent 10.16 s on a formula simplification. DAG size of input: 231 DAG size of output: 101 [2021-07-10 09:27:03,419 WARN L205 SmtUtils]: Spent 14.40 s on a formula simplification. DAG size of input: 193 DAG size of output: 115 [2021-07-10 09:27:05,179 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 230 DAG size of output: 178 [2021-07-10 09:27:06,781 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 227 DAG size of output: 98 [2021-07-10 09:27:12,095 WARN L205 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 176 DAG size of output: 112 [2021-07-10 09:27:12,395 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2021-07-10 09:27:12,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:27:12,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:27:12,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:27:12,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:27:12,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:27:12,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:27:12,735 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-10 09:27:12,735 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:27:12,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:27:12,736 INFO L82 PathProgramCache]: Analyzing trace with hash 358746990, now seen corresponding path program 3 times [2021-07-10 09:27:12,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:27:12,736 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712769786] [2021-07-10 09:27:12,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:27:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:27:12,809 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:27:12,809 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:27:12,809 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712769786] [2021-07-10 09:27:12,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712769786] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:27:12,810 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155878339] [2021-07-10 09:27:12,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:27:12,843 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 09:27:12,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:27:12,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 09:27:12,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:27:13,016 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:27:13,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155878339] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:27:13,017 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:27:13,017 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-10 09:27:13,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369196453] [2021-07-10 09:27:13,018 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 09:27:13,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:27:13,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 09:27:13,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-10 09:27:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:27:13,019 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:27:13,019 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 09:27:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:27:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:27:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:27:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:27:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:27:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:27:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:27:13,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:27:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:27:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:27:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:27:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:27:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:27:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:27:13,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable499 [2021-07-10 09:27:13,637 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:27:13,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:27:13,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1163701042, now seen corresponding path program 4 times [2021-07-10 09:27:13,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:27:13,637 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338087602] [2021-07-10 09:27:13,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:27:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:27:13,709 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 09:27:13,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:27:13,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338087602] [2021-07-10 09:27:13,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338087602] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:27:13,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107502593] [2021-07-10 09:27:13,710 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:27:13,741 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 09:27:13,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:27:13,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 09:27:13,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:27:13,838 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 09:27:13,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107502593] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:27:13,839 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:27:13,839 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-10 09:27:13,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391559901] [2021-07-10 09:27:13,839 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 09:27:13,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:27:13,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 09:27:13,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-10 09:27:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:27:13,840 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:27:13,840 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 09:27:13,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:27:13,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:27:13,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:27:13,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:27:13,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:27:13,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:27:13,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:27:13,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:27:13,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:27:13,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:27:13,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:27:13,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:27:13,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:27:13,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:27:13,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:27:14,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:27:14,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable500,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:27:14,213 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:27:14,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:27:14,213 INFO L82 PathProgramCache]: Analyzing trace with hash -323420080, now seen corresponding path program 5 times [2021-07-10 09:27:14,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:27:14,214 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912375935] [2021-07-10 09:27:14,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:27:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:27:15,043 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 159 [2021-07-10 09:27:15,276 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 43 [2021-07-10 09:27:15,404 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 218 [2021-07-10 09:27:15,973 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 75 [2021-07-10 09:27:16,249 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 315 [2021-07-10 09:27:17,326 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 315 DAG size of output: 133 [2021-07-10 09:27:17,618 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 294 [2021-07-10 09:27:19,419 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 294 DAG size of output: 181 [2021-07-10 09:27:19,662 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 289 [2021-07-10 09:27:21,438 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 289 DAG size of output: 176 [2021-07-10 09:27:22,220 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 109 [2021-07-10 09:27:22,595 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 70 [2021-07-10 09:27:22,775 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2021-07-10 09:27:22,955 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2021-07-10 09:27:23,101 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:27:23,101 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:27:23,102 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912375935] [2021-07-10 09:27:23,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912375935] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:27:23,102 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596321843] [2021-07-10 09:27:23,102 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:27:23,162 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 09:27:23,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:27:23,164 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-10 09:27:23,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:27:25,082 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 119 [2021-07-10 09:27:26,692 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 355 [2021-07-10 09:27:28,519 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 364 [2021-07-10 09:27:30,379 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 365 [2021-07-10 09:27:32,291 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 367 [2021-07-10 09:27:34,007 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 366 [2021-07-10 09:27:35,557 WARN L205 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-07-10 09:27:37,300 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2021-07-10 09:27:37,986 INFO L446 ElimStorePlain]: Different costs {9=[v_prenex_120, v_prenex_122, v_prenex_100, v_prenex_124, v_prenex_102, v_prenex_90, v_prenex_126, v_prenex_104, v_prenex_128, v_prenex_106, v_prenex_94, v_prenex_92, v_prenex_98, v_prenex_96, v_prenex_79, v_prenex_77, v_prenex_130, v_prenex_132, v_prenex_110, v_prenex_134, v_prenex_112, v_prenex_114, v_prenex_136, v_prenex_116, v_prenex_138, v_prenex_108, v_prenex_81, v_prenex_86, v_prenex_84, v_prenex_88], 15=[v_prenex_118, A]} [2021-07-10 09:27:38,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:38,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:38,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:38,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:38,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:38,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:38,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-10 09:27:38,065 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:38,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:38,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:38,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:38,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:38,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:38,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-10 09:27:38,116 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:46,454 WARN L205 SmtUtils]: Spent 8.34 s on a formula simplification. DAG size of input: 807 DAG size of output: 753 [2021-07-10 09:27:46,456 INFO L628 ElimStorePlain]: treesize reduction 1220, result has 68.9 percent of original size [2021-07-10 09:27:46,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:46,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:46,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:46,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:46,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:46,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:46,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 09:27:46,520 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:46,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:46,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:46,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:46,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:46,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:27:46,576 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:49,518 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 739 [2021-07-10 09:27:49,519 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:49,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:49,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:49,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:49,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:49,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:27:49,587 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:49,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:49,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:49,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:49,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:49,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:49,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 09:27:49,635 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:52,251 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 723 [2021-07-10 09:27:52,252 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:52,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:52,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:52,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:52,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:52,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:27:52,324 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:52,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:52,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:52,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:52,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:52,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:52,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 09:27:52,363 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:54,922 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 706 [2021-07-10 09:27:54,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:54,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:54,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:54,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:54,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:54,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 09:27:54,987 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:55,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:55,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:55,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:55,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:55,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-10 09:27:55,028 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:57,361 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 689 [2021-07-10 09:27:57,361 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:57,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:57,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:57,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:57,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:57,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:57,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 09:27:57,399 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:59,780 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 676 [2021-07-10 09:27:59,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:59,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:59,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:59,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:59,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:59,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:59,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 09:27:59,843 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:59,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:59,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:59,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:59,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:59,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:27:59,881 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:02,310 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 661 [2021-07-10 09:28:02,310 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:02,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:02,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:02,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:02,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:02,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:02,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:02,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-10 09:28:02,378 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:02,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:02,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:02,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:02,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:02,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-07-10 09:28:02,417 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:04,625 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 644 [2021-07-10 09:28:04,626 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:04,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:04,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:04,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:04,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:04,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:04,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:04,681 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 50 treesize of output 28 [2021-07-10 09:28:04,683 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:04,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:04,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:04,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:04,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:04,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-07-10 09:28:04,724 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:06,746 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 628 [2021-07-10 09:28:06,747 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:06,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:06,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:06,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:06,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:06,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:06,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-10 09:28:06,783 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:08,796 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 613 [2021-07-10 09:28:08,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:08,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:08,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:08,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:08,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:08,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:08,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:08,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-10 09:28:08,855 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:08,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:08,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:08,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:08,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:08,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 09:28:08,890 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:10,912 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 597 [2021-07-10 09:28:10,912 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:10,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:10,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:10,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:10,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:10,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-07-10 09:28:10,973 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:11,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:11,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:11,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:11,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:11,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:11,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-10 09:28:11,019 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:12,947 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 580 [2021-07-10 09:28:12,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:12,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:12,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:12,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:12,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:13,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:28:13,009 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:13,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:13,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:13,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:13,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:13,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:13,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 09:28:13,045 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:14,844 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 564 [2021-07-10 09:28:14,844 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:14,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:14,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:14,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:14,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:14,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-10 09:28:14,898 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:14,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:14,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:14,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 09:28:14,936 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:16,559 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 547 [2021-07-10 09:28:16,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:16,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:16,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:16,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:16,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:16,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:16,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:16,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 09:28:16,593 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:18,155 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 532 [2021-07-10 09:28:18,155 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:18,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:18,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:18,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:18,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:18,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:18,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 09:28:18,191 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:19,728 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 517 [2021-07-10 09:28:19,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:19,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:19,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:19,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:19,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:19,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:19,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:19,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-10 09:28:19,764 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:21,202 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 502 [2021-07-10 09:28:21,203 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:21,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:21,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:21,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:21,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:21,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:21,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-10 09:28:21,235 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:22,668 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 487 [2021-07-10 09:28:22,669 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:22,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:22,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:22,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:22,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:22,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:22,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 09:28:22,710 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:24,078 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 472 [2021-07-10 09:28:24,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:24,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:24,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:24,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:24,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:24,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:24,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:24,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 09:28:24,120 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:24,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:24,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:24,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:24,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:24,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:28:24,149 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:25,412 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 455 [2021-07-10 09:28:25,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:25,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:25,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:25,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:25,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:25,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:25,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:25,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 09:28:25,463 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:25,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:25,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:25,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:25,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:25,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:28:25,500 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:26,675 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 438 [2021-07-10 09:28:26,676 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:26,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:26,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:26,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:26,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:26,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:26,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 09:28:26,703 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:27,829 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 423 [2021-07-10 09:28:27,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:27,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:27,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:27,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:27,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:27,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:27,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-10 09:28:27,856 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:28,948 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 408 [2021-07-10 09:28:28,949 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:28,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:28,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:28,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:28,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:28,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:28,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:28,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 09:28:28,989 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:29,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:29,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:29,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:29,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:29,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:28:29,015 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:30,007 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2021-07-10 09:28:30,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:30,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:30,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:30,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:30,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:30,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:30,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-10 09:28:30,032 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:31,004 WARN L205 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2021-07-10 09:28:31,004 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:31,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:31,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:31,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:31,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:31,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:31,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 09:28:31,027 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:31,968 WARN L205 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2021-07-10 09:28:31,969 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:31,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:31,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:31,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:31,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:31,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:31,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-10 09:28:31,993 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:32,928 WARN L205 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-07-10 09:28:32,928 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:32,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:32,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:32,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:32,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:32,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:32,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:32,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-10 09:28:32,963 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:32,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:32,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:32,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:32,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:32,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 09:28:32,993 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:33,866 WARN L205 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2021-07-10 09:28:33,867 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:33,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:33,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:33,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:33,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:33,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:33,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 09:28:33,889 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:34,699 WARN L205 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2021-07-10 09:28:34,699 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:34,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:34,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:34,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:34,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:34,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:34,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 09:28:34,720 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:35,472 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-07-10 09:28:35,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:35,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:35,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:35,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:35,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:35,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:35,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:35,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:35,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:35,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:28:35,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:35,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:35,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:35,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:28:35,499 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:36,238 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2021-07-10 09:28:36,238 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:36,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:36,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:36,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:36,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:36,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:36,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:36,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:36,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:36,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:36,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:36,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-07-10 09:28:36,278 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:36,989 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-07-10 09:28:36,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:28:37,015 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 22 xjuncts. [2021-07-10 09:28:37,015 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:236 [2021-07-10 09:28:37,255 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:28:37,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596321843] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:28:37,256 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:28:37,256 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-10 09:28:37,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444895498] [2021-07-10 09:28:37,256 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-10 09:28:37,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:28:37,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-10 09:28:37,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=895, Unknown=0, NotChecked=0, Total=992 [2021-07-10 09:28:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:28:37,257 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:28:37,257 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 09:28:37,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:28:37,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:28:37,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:28:37,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:28:37,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:28:37,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:28:37,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:28:37,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:28:37,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:28:38,126 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 43 [2021-07-10 09:28:38,706 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 58 [2021-07-10 09:28:39,047 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2021-07-10 09:28:39,344 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2021-07-10 09:28:39,716 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 72 [2021-07-10 09:28:40,110 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 85 [2021-07-10 09:28:41,315 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 134 [2021-07-10 09:28:41,771 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 93 [2021-07-10 09:28:44,555 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 265 DAG size of output: 123 [2021-07-10 09:28:49,451 WARN L205 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 568 DAG size of output: 304 [2021-07-10 09:28:52,093 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 185 DAG size of output: 130 [2021-07-10 09:28:52,896 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 173 [2021-07-10 09:28:53,142 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-10 09:28:53,719 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-10 09:28:54,631 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 175 [2021-07-10 09:28:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:28:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:28:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:28:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:28:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:28:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:28:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:28:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:28:54,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:28:54,925 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable501 [2021-07-10 09:28:54,925 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:28:54,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:28:54,926 INFO L82 PathProgramCache]: Analyzing trace with hash 931633578, now seen corresponding path program 6 times [2021-07-10 09:28:54,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:28:54,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339686472] [2021-07-10 09:28:54,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:28:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:28:55,046 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:28:55,047 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:28:55,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339686472] [2021-07-10 09:28:55,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339686472] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:28:55,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576893333] [2021-07-10 09:28:55,047 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:28:55,089 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 09:28:55,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:28:55,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 09:28:55,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:28:55,337 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:28:55,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576893333] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:28:55,338 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:28:55,338 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-10 09:28:55,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64292484] [2021-07-10 09:28:55,338 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 09:28:55,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:28:55,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 09:28:55,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-10 09:28:55,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:28:55,339 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:28:55,339 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 09:28:55,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:28:55,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:28:55,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:28:55,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:28:55,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:28:55,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:28:55,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:28:55,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:28:55,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:28:55,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:28:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:28:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:28:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:28:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:28:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:28:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:28:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:28:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:28:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 09:28:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:28:55,810 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable657,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:28:55,810 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:28:55,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:28:55,810 INFO L82 PathProgramCache]: Analyzing trace with hash -607915832, now seen corresponding path program 7 times [2021-07-10 09:28:55,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:28:55,811 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908430891] [2021-07-10 09:28:55,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:28:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:28:57,725 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2021-07-10 09:28:57,844 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2021-07-10 09:29:28,540 WARN L205 SmtUtils]: Spent 30.69 s on a formula simplification. DAG size of input: 238 DAG size of output: 216 [2021-07-10 09:29:28,925 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 48 [2021-07-10 09:30:54,667 WARN L205 SmtUtils]: Spent 1.43 m on a formula simplification. DAG size of input: 348 DAG size of output: 382 [2021-07-10 09:30:55,817 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 382 DAG size of output: 81 [2021-07-10 09:33:18,692 WARN L205 SmtUtils]: Spent 2.38 m on a formula simplification. DAG size of input: 481 DAG size of output: 508 [2021-07-10 09:33:18,826 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 508 [2021-07-10 09:33:20,509 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 504 DAG size of output: 116 [2021-07-10 09:36:37,924 WARN L205 SmtUtils]: Spent 3.29 m on a formula simplification. DAG size of input: 567 DAG size of output: 750 [2021-07-10 09:36:41,937 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 747 DAG size of output: 211 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown