/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 11:36:03,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 11:36:03,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 11:36:03,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 11:36:03,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 11:36:03,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 11:36:03,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 11:36:03,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 11:36:03,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 11:36:03,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 11:36:03,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 11:36:03,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 11:36:03,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 11:36:03,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 11:36:03,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 11:36:03,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 11:36:03,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 11:36:03,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 11:36:03,237 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 11:36:03,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 11:36:03,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 11:36:03,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 11:36:03,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 11:36:03,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 11:36:03,240 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 11:36:03,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 11:36:03,241 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 11:36:03,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 11:36:03,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 11:36:03,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 11:36:03,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 11:36:03,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 11:36:03,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 11:36:03,242 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 11:36:03,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 11:36:03,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 11:36:03,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 11:36:03,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 11:36:03,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 11:36:03,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 11:36:03,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 11:36:03,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 11:36:03,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 11:36:03,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 11:36:03,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 11:36:03,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 11:36:03,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 11:36:03,244 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 11:36:03,244 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 11:36:03,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 11:36:03,244 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 11:36:03,245 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 11:36:03,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 11:36:03,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 11:36:03,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 11:36:03,558 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 11:36:03,559 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 11:36:03,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl [2021-06-06 11:36:03,559 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl' [2021-06-06 11:36:03,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 11:36:03,591 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 11:36:03,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 11:36:03,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 11:36:03,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 11:36:03,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:03" (1/1) ... [2021-06-06 11:36:03,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:03" (1/1) ... [2021-06-06 11:36:03,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 11:36:03,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 11:36:03,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 11:36:03,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 11:36:03,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:03" (1/1) ... [2021-06-06 11:36:03,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:03" (1/1) ... [2021-06-06 11:36:03,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:03" (1/1) ... [2021-06-06 11:36:03,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:03" (1/1) ... [2021-06-06 11:36:03,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:03" (1/1) ... [2021-06-06 11:36:03,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:03" (1/1) ... [2021-06-06 11:36:03,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:03" (1/1) ... [2021-06-06 11:36:03,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 11:36:03,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 11:36:03,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 11:36:03,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 11:36:03,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 11:36:03,709 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 11:36:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 11:36:03,709 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 11:36:03,709 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 11:36:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 11:36:03,709 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 11:36:03,710 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 11:36:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 11:36:03,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 11:36:03,710 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 11:36:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 11:36:03,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 11:36:03,711 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 11:36:03,956 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 11:36:03,956 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 11:36:03,958 INFO L202 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:36:03 BoogieIcfgContainer [2021-06-06 11:36:03,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 11:36:03,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 11:36:03,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 11:36:03,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 11:36:03,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:36:03" (1/2) ... [2021-06-06 11:36:03,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786912e6 and model type max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 11:36:03, skipping insertion in model container [2021-06-06 11:36:03,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:36:03" (2/2) ... [2021-06-06 11:36:03,979 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array-hom.wvr.bpl [2021-06-06 11:36:03,984 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 11:36:03,984 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 11:36:03,984 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 11:36:03,984 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 11:36:04,047 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 11:36:04,066 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 11:36:04,118 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 11:36:04,119 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 11:36:04,119 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 11:36:04,119 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 11:36:04,119 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 11:36:04,119 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 11:36:04,119 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 11:36:04,119 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 11:36:04,171 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:36:04,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:36:04,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-06-06 11:36:04,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:36:04,182 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670632119] [2021-06-06 11:36:04,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:36:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:04,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:36:04,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:36:04,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670632119] [2021-06-06 11:36:04,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670632119] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 11:36:04,365 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 11:36:04,365 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 11:36:04,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133599715] [2021-06-06 11:36:04,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 11:36:04,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:36:04,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 11:36:04,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 11:36:04,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:04,392 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:36:04,394 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:36:04,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:04,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:04,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 11:36:04,420 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:36:04,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:36:04,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-06-06 11:36:04,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:36:04,425 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768322376] [2021-06-06 11:36:04,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:36:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:04,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:36:04,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:36:04,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768322376] [2021-06-06 11:36:04,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768322376] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 11:36:04,483 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 11:36:04,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 11:36:04,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422034067] [2021-06-06 11:36:04,484 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 11:36:04,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:36:04,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 11:36:04,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 11:36:04,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:04,485 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:36:04,485 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:36:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:04,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:04,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:04,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 11:36:04,520 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:36:04,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:36:04,521 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-06-06 11:36:04,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:36:04,521 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118680092] [2021-06-06 11:36:04,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:36:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:04,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:36:04,947 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:36:04,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118680092] [2021-06-06 11:36:04,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118680092] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:04,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526132803] [2021-06-06 11:36:04,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:36:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:04,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 11:36:05,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:36:05,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-06-06 11:36:05,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:05,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 11:36:05,367 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:05,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 11:36:05,376 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:05,390 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:05,393 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 11:36:05,394 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:103, output treesize:21 [2021-06-06 11:36:05,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:36:05,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526132803] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:05,439 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:36:05,439 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 11:36:05,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815953466] [2021-06-06 11:36:05,440 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 11:36:05,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:36:05,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 11:36:05,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-06 11:36:05,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:05,441 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:36:05,441 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:36:05,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:05,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:05,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:36:05,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:36:05,837 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:36:05,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:36:05,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-06-06 11:36:05,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:36:05,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187134990] [2021-06-06 11:36:05,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:36:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:05,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:36:05,913 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:36:05,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187134990] [2021-06-06 11:36:05,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187134990] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:05,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850339088] [2021-06-06 11:36:05,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:36:05,953 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 11:36:05,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:36:05,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 11:36:05,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:36:06,063 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:36:06,063 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850339088] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:06,063 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:36:06,063 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 11:36:06,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634644187] [2021-06-06 11:36:06,064 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 11:36:06,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:36:06,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 11:36:06,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 11:36:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:06,065 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:36:06,066 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:36:06,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:06,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:06,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:36:06,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:06,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:06,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:36:06,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:36:06,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:36:06,465 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:36:06,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:36:06,465 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-06-06 11:36:06,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:36:06,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624652093] [2021-06-06 11:36:06,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:36:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:36:06,533 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:36:06,533 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624652093] [2021-06-06 11:36:06,533 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624652093] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:06,533 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227495937] [2021-06-06 11:36:06,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:36:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:06,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 11:36:06,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:36:06,667 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:36:06,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227495937] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:06,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:36:06,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 11:36:06,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543622355] [2021-06-06 11:36:06,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 11:36:06,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:36:06,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 11:36:06,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 11:36:06,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:06,669 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:36:06,669 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:36:06,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:06,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:06,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:36:06,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:36:06,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:06,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:06,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:06,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:36:06,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:36:06,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:36:06,980 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:36:06,981 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:36:06,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:36:06,981 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-06-06 11:36:06,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:36:06,982 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292884430] [2021-06-06 11:36:06,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:36:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:07,706 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2021-06-06 11:36:08,000 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-06-06 11:36:08,266 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-06-06 11:36:08,499 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-06-06 11:36:08,706 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-06-06 11:36:08,840 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:36:08,841 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:36:08,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292884430] [2021-06-06 11:36:08,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292884430] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:08,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024352968] [2021-06-06 11:36:08,841 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:36:08,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 11:36:08,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:36:08,898 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 11:36:08,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:36:10,447 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-06-06 11:36:12,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:12,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:12,429 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:36:12,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-06 11:36:12,435 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:12,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:12,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:12,512 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:36:12,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-06 11:36:12,515 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:14,232 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 350 [2021-06-06 11:36:14,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:14,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:14,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:14,330 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:36:14,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 35 [2021-06-06 11:36:14,337 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:14,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:14,420 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:36:14,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 50 [2021-06-06 11:36:14,434 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:16,005 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 341 [2021-06-06 11:36:16,006 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:16,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:16,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:16,095 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:16,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-06 11:36:16,110 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:16,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:16,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:16,205 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 11:36:16,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 48 [2021-06-06 11:36:16,214 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:19,353 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-06-06 11:36:19,355 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.2 percent of original size [2021-06-06 11:36:19,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:19,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:19,428 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:36:19,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-06 11:36:19,443 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:19,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:19,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:19,538 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:36:19,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-06 11:36:19,552 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:21,056 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 320 [2021-06-06 11:36:21,056 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:21,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:21,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:21,177 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:36:21,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 54 [2021-06-06 11:36:21,186 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:21,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:21,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:21,276 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:36:21,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-06 11:36:21,281 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:22,709 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 313 [2021-06-06 11:36:22,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:22,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:22,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:22,782 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 11:36:22,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 34 [2021-06-06 11:36:22,784 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:22,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:22,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:22,858 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:36:22,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 39 [2021-06-06 11:36:22,865 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:24,303 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 302 [2021-06-06 11:36:24,303 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:24,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:24,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:24,374 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 11:36:24,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 40 [2021-06-06 11:36:24,381 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:24,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:24,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:24,438 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:36:24,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 39 [2021-06-06 11:36:24,441 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:25,766 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 290 [2021-06-06 11:36:25,767 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:25,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:25,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:25,855 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:36:25,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-06 11:36:25,867 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:25,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:25,935 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:36:25,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-06 11:36:25,938 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:28,545 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 289 DAG size of output: 288 [2021-06-06 11:36:28,546 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.7 percent of original size [2021-06-06 11:36:28,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:28,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:28,639 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:28,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 60 [2021-06-06 11:36:28,664 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:28,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:28,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:28,724 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 11:36:28,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 31 [2021-06-06 11:36:28,727 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:29,975 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 273 [2021-06-06 11:36:29,975 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:29,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:30,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:30,053 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:30,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-06 11:36:30,071 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:30,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:30,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:30,148 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-06 11:36:30,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 62 [2021-06-06 11:36:30,180 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:32,535 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2021-06-06 11:36:32,536 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.1 percent of original size [2021-06-06 11:36:32,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:32,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:32,606 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:36:32,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-06 11:36:32,608 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:32,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:32,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:32,681 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:36:32,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 38 [2021-06-06 11:36:32,684 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:33,826 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 248 [2021-06-06 11:36:33,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:33,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:33,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:33,901 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:36:33,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-06 11:36:33,906 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:33,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:33,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:33,958 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:36:33,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 38 [2021-06-06 11:36:33,963 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:35,034 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 238 [2021-06-06 11:36:35,034 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:35,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:35,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:35,102 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:36:35,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 50 [2021-06-06 11:36:35,117 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:35,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:35,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:35,178 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 11:36:35,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 37 [2021-06-06 11:36:35,184 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:36,214 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 225 [2021-06-06 11:36:36,215 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:36,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:36,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:36,282 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:36:36,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-06 11:36:36,289 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:36,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:36,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:36,351 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:36:36,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 50 [2021-06-06 11:36:36,360 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:37,334 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-06-06 11:36:37,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:37,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:37,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:37,406 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 11:36:37,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 49 [2021-06-06 11:36:37,420 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:37,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:37,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:37,470 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 11:36:37,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 48 [2021-06-06 11:36:37,476 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:38,399 WARN L205 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-06-06 11:36:38,400 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:38,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:38,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:38,460 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:36:38,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-06 11:36:38,466 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:38,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:38,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:36:38,503 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:36:38,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-06 11:36:38,505 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 11:36:39,365 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-06-06 11:36:39,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:36:39,667 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-06 11:36:39,668 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2233, output treesize:2097 [2021-06-06 11:36:40,412 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 59 [2021-06-06 11:36:40,590 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:36:40,590 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024352968] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:40,590 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:36:40,590 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-06 11:36:40,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200387590] [2021-06-06 11:36:40,591 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 11:36:40,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:36:40,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 11:36:40,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-06 11:36:40,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:40,592 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:36:40,592 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:36:40,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:40,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:40,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:36:40,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:36:40,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:36:40,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:40,928 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 51 [2021-06-06 11:36:41,113 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-06-06 11:36:41,442 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-06-06 11:36:41,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:41,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:41,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:36:41,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:36:41,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:36:41,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:36:41,769 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-06 11:36:41,769 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:36:41,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:36:41,769 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-06-06 11:36:41,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:36:41,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329329097] [2021-06-06 11:36:41,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:36:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:41,862 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:36:41,863 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:36:41,863 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329329097] [2021-06-06 11:36:41,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329329097] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:41,863 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546675486] [2021-06-06 11:36:41,863 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:36:41,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 11:36:41,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:36:41,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 11:36:41,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:36:42,083 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:36:42,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546675486] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:42,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:36:42,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 11:36:42,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776735188] [2021-06-06 11:36:42,084 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 11:36:42,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:36:42,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 11:36:42,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 11:36:42,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:42,085 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:36:42,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:36:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:36:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:36:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:36:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:36:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:42,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:42,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:42,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:36:42,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:36:42,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:36:42,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:36:42,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:36:42,735 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable276,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:36:42,735 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:36:42,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:36:42,735 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-06-06 11:36:42,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:36:42,736 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337649521] [2021-06-06 11:36:42,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:36:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:42,836 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:36:42,837 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:36:42,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337649521] [2021-06-06 11:36:42,837 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337649521] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:42,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536619178] [2021-06-06 11:36:42,837 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:36:42,869 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 11:36:42,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:36:42,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 11:36:42,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:36:42,983 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:36:42,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536619178] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:36:42,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:36:42,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 11:36:42,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137159232] [2021-06-06 11:36:42,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 11:36:42,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:36:42,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 11:36:42,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 11:36:42,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:42,985 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:36:42,985 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:36:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:36:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:36:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:36:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:36:42,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:36:42,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:36:43,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:36:43,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:36:43,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:36:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:36:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:36:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:36:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:36:43,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:36:43,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable277 [2021-06-06 11:36:43,313 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:36:43,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:36:43,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-06-06 11:36:43,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:36:43,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058559036] [2021-06-06 11:36:43,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:36:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:36:44,704 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 99 [2021-06-06 11:36:45,014 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 53 [2021-06-06 11:36:45,264 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2021-06-06 11:36:45,643 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 89 [2021-06-06 11:36:48,282 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 320 DAG size of output: 295 [2021-06-06 11:36:49,103 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 131 [2021-06-06 11:36:52,481 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 310 DAG size of output: 299 [2021-06-06 11:36:53,401 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 150 [2021-06-06 11:36:56,226 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 305 DAG size of output: 293 [2021-06-06 11:36:57,158 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 145 [2021-06-06 11:36:58,704 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 258 DAG size of output: 258 [2021-06-06 11:36:59,471 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 118 [2021-06-06 11:37:00,999 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 201 DAG size of output: 170 [2021-06-06 11:37:01,370 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 66 [2021-06-06 11:37:02,347 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 107 [2021-06-06 11:37:02,542 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2021-06-06 11:37:03,462 WARN L205 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 104 [2021-06-06 11:37:03,650 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 40 [2021-06-06 11:37:03,918 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:37:03,919 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:37:03,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058559036] [2021-06-06 11:37:03,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058559036] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:37:03,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046779146] [2021-06-06 11:37:03,919 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:37:03,993 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 11:37:03,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:37:03,994 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 11:37:03,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:37:06,008 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-06 11:37:07,563 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-06 11:37:09,963 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-06 11:37:11,852 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 365 [2021-06-06 11:37:13,749 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 367 [2021-06-06 11:37:15,353 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 366 [2021-06-06 11:37:16,898 WARN L205 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-06-06 11:37:19,118 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2021-06-06 11:37:20,020 INFO L446 ElimStorePlain]: Different costs {9=[v_prenex_160, v_prenex_162, v_prenex_140, v_prenex_120, v_prenex_142, v_prenex_164, v_prenex_144, v_prenex_166, v_prenex_122, v_prenex_146, v_prenex_124, v_prenex_168, v_prenex_126, v_prenex_148, v_prenex_128, v_prenex_150, v_prenex_130, v_prenex_154, v_prenex_132, v_prenex_111, v_prenex_134, v_prenex_156, v_prenex_158, v_prenex_114, v_prenex_136, v_prenex_138, v_prenex_116, v_prenex_107, A, v_prenex_109], 15=[v_prenex_118, v_prenex_152]} [2021-06-06 11:37:20,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:20,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:20,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:20,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:20,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:20,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:20,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-06 11:37:20,119 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:20,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:20,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:20,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:20,173 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 48 treesize of output 28 [2021-06-06 11:37:20,176 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:27,395 WARN L205 SmtUtils]: Spent 7.22 s on a formula simplification. DAG size of input: 807 DAG size of output: 753 [2021-06-06 11:37:27,396 INFO L628 ElimStorePlain]: treesize reduction 1224, result has 68.9 percent of original size [2021-06-06 11:37:27,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:27,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:27,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:27,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:27,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:37:27,461 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:27,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:27,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:27,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:27,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:27,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:27,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:37:27,503 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:30,381 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification that was a NOOP. DAG size: 739 [2021-06-06 11:37:30,381 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:30,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:30,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:30,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:30,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:30,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:37:30,463 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:30,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:30,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:30,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:30,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:30,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:30,517 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 [2021-06-06 11:37:30,519 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:33,151 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 723 [2021-06-06 11:37:33,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:33,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:33,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:33,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:33,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:33,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:33,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:33,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:37:33,213 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:33,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:33,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:33,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:33,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:33,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:37:33,253 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:35,785 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 707 [2021-06-06 11:37:35,786 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:35,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:35,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:35,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:35,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:35,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:35,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 11:37:35,827 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:38,324 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 693 [2021-06-06 11:37:38,324 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:38,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:38,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:38,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:38,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:38,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:38,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 11:37:38,366 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:40,817 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 678 [2021-06-06 11:37:40,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:40,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:40,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:40,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:40,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:40,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:40,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 11:37:40,853 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:43,238 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 663 [2021-06-06 11:37:43,239 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:43,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:43,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:43,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:43,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:43,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:43,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:37:43,296 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:45,672 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 648 [2021-06-06 11:37:45,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:45,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:45,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:45,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:45,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:45,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:45,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:37:45,714 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:47,935 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 633 [2021-06-06 11:37:47,935 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:47,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:47,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:47,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:47,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:47,985 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 [2021-06-06 11:37:47,996 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:48,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:48,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:48,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:48,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:48,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:48,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 11:37:48,037 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:50,194 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 618 [2021-06-06 11:37:50,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:50,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:50,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:50,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:50,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:50,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:50,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:50,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-06 11:37:50,244 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:50,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:50,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:50,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:50,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:50,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-06 11:37:50,279 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:52,275 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 601 [2021-06-06 11:37:52,276 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:52,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:52,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:52,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:52,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:52,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:52,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:52,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:37:52,326 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:52,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:52,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:52,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:52,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:52,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:37:52,359 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:54,289 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 585 [2021-06-06 11:37:54,290 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:54,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:54,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:54,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:54,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:54,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:54,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 11:37:54,320 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:56,257 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 570 [2021-06-06 11:37:56,258 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:56,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:56,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:56,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:56,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:56,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-06 11:37:56,306 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:56,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:56,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:56,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:56,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:56,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:56,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-06 11:37:56,337 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:58,095 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 553 [2021-06-06 11:37:58,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:58,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:58,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:58,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:58,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:58,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:58,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:58,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 11:37:58,147 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:58,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:58,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:58,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:58,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:58,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 11:37:58,191 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:59,864 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 536 [2021-06-06 11:37:59,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:37:59,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:59,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:59,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:59,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:59,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:59,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:37:59,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:37:59,908 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 11:37:59,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:59,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:59,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:59,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:37:59,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:37:59,936 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:01,460 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 519 [2021-06-06 11:38:01,460 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:01,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:01,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:01,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:01,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:01,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-06 11:38:01,504 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:01,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:01,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:01,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:01,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:01,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:01,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 11:38:01,532 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:02,994 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 502 [2021-06-06 11:38:02,994 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:03,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:03,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:03,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:03,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:03,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:03,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:38:03,021 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:04,423 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 488 [2021-06-06 11:38:04,423 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:04,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:04,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:04,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:04,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:04,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:04,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:38:04,454 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:05,820 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 473 [2021-06-06 11:38:05,820 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:05,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 11:38:05,866 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:05,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:05,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:05,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 11:38:05,893 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:07,147 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 456 [2021-06-06 11:38:07,148 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:07,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:07,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:07,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:07,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:07,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:07,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:38:07,174 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:08,401 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 441 [2021-06-06 11:38:08,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:08,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:08,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:08,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:08,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:08,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:08,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:38:08,428 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:09,626 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 426 [2021-06-06 11:38:09,626 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:09,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:09,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:09,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 11:38:09,664 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:09,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:09,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 11:38:09,689 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:10,797 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 409 [2021-06-06 11:38:10,798 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:10,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:10,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:10,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:10,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:10,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:10,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:38:10,823 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:11,911 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 394 [2021-06-06 11:38:11,912 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:11,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:11,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:11,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:11,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:11,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:11,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 11:38:11,937 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:12,972 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 379 [2021-06-06 11:38:12,972 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:12,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:12,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:12,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:12,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:12,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:12,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 11:38:13,005 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:14,043 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-06 11:38:14,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:14,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:14,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:14,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:14,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:14,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:38:14,078 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:14,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:14,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:14,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:14,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:14,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:14,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:38:14,100 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:15,025 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2021-06-06 11:38:15,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:15,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:15,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:15,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:15,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:15,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:15,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 11:38:15,047 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:15,943 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2021-06-06 11:38:15,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:15,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:15,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:15,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:15,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:15,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:38:15,984 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:16,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:16,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:38:16,009 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:16,834 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2021-06-06 11:38:16,834 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:16,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:16,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:16,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 11:38:16,865 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:16,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:16,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 11:38:16,895 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:17,703 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-06-06 11:38:17,704 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:17,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:17,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:38:17,728 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 [2021-06-06 11:38:17,733 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:18,514 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-06-06 11:38:18,515 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:18,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:38:18,539 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 [2021-06-06 11:38:18,541 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-06 11:38:19,231 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-06 11:38:19,231 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:38:19,255 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 21 xjuncts. [2021-06-06 11:38:19,256 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:226 [2021-06-06 11:38:19,477 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:38:19,477 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046779146] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:38:19,477 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:38:19,478 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-06 11:38:19,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801014561] [2021-06-06 11:38:19,481 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 11:38:19,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:38:19,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 11:38:19,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2021-06-06 11:38:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:38:19,482 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:38:19,482 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:38:19,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:38:19,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:38:19,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:38:19,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:38:19,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:38:19,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:19,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:38:19,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:19,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:38:20,011 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 35 [2021-06-06 11:38:20,378 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 46 [2021-06-06 11:38:20,826 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-06-06 11:38:21,062 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 66 [2021-06-06 11:38:21,353 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 67 [2021-06-06 11:38:21,660 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 85 [2021-06-06 11:38:22,534 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 127 [2021-06-06 11:38:24,905 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 238 DAG size of output: 123 [2021-06-06 11:38:28,701 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 540 DAG size of output: 162 [2021-06-06 11:38:29,073 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-06-06 11:38:29,717 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-06-06 11:38:30,059 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-06-06 11:38:30,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:38:30,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:38:30,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:38:30,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:38:30,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:38:30,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:30,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:38:30,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:30,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 11:38:30,362 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable278 [2021-06-06 11:38:30,363 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:38:30,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:38:30,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1933198930, now seen corresponding path program 6 times [2021-06-06 11:38:30,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:38:30,363 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466231804] [2021-06-06 11:38:30,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:38:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:38:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:38:30,519 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:38:30,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466231804] [2021-06-06 11:38:30,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466231804] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:38:30,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904508445] [2021-06-06 11:38:30,519 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:38:30,574 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 11:38:30,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:38:30,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 11:38:30,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:38:30,817 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:38:30,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904508445] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:38:30,817 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:38:30,817 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-06 11:38:30,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715542486] [2021-06-06 11:38:30,818 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 11:38:30,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:38:30,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 11:38:30,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-06 11:38:30,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:38:30,819 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:38:30,819 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:38:30,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:38:30,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:38:30,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:38:30,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:38:30,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:38:30,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:30,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:38:30,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:30,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 11:38:30,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:38:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:38:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:38:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:38:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:38:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:38:31,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:31,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:38:31,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:38:31,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 11:38:31,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 11:38:31,272 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable434,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:38:31,273 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:38:31,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:38:31,273 INFO L82 PathProgramCache]: Analyzing trace with hash 976790896, now seen corresponding path program 7 times [2021-06-06 11:38:31,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:38:31,273 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697161140] [2021-06-06 11:38:31,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:38:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:38:34,632 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 47 [2021-06-06 11:38:35,860 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 223 DAG size of output: 122 [2021-06-06 11:38:36,120 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 44 [2021-06-06 11:38:42,420 WARN L205 SmtUtils]: Spent 6.30 s on a formula simplification. DAG size of input: 419 DAG size of output: 328 [2021-06-06 11:38:43,089 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 70 [2021-06-06 11:40:43,257 WARN L205 SmtUtils]: Spent 2.00 m on a formula simplification. DAG size of input: 701 DAG size of output: 581 [2021-06-06 11:40:43,375 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 581 [2021-06-06 11:40:45,329 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 581 DAG size of output: 126 [2021-06-06 11:44:42,055 WARN L205 SmtUtils]: Spent 3.95 m on a formula simplification. DAG size of input: 759 DAG size of output: 752 [2021-06-06 11:44:44,808 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 751 DAG size of output: 179 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown