/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 21:33:02,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 21:33:02,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 21:33:02,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 21:33:02,241 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-NewStatesSleep-NoLbe-Symm.epf [2021-06-16 21:33:02,272 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 21:33:02,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 21:33:02,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 21:33:02,272 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 21:33:02,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 21:33:02,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 21:33:02,276 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 21:33:02,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 21:33:02,276 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 21:33:02,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 21:33:02,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 21:33:02,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 21:33:02,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 21:33:02,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 21:33:02,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 21:33:02,278 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 21:33:02,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 21:33:02,278 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 21:33:02,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 21:33:02,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 21:33:02,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 21:33:02,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 21:33:02,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 21:33:02,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 21:33:02,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 21:33:02,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 21:33:02,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 21:33:02,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 21:33:02,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 21:33:02,279 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 21:33:02,279 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 21:33:02,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 21:33:02,280 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 21:33:02,280 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 21:33:02,280 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 21:33:02,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 21:33:02,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 21:33:02,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 21:33:02,566 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 21:33:02,568 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 21:33:02,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl [2021-06-16 21:33:02,568 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl' [2021-06-16 21:33:02,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 21:33:02,590 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 21:33:02,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 21:33:02,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 21:33:02,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 21:33:02,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:33:02" (1/1) ... [2021-06-16 21:33:02,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:33:02" (1/1) ... [2021-06-16 21:33:02,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 21:33:02,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 21:33:02,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 21:33:02,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 21:33:02,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:33:02" (1/1) ... [2021-06-16 21:33:02,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:33:02" (1/1) ... [2021-06-16 21:33:02,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:33:02" (1/1) ... [2021-06-16 21:33:02,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:33:02" (1/1) ... [2021-06-16 21:33:02,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:33:02" (1/1) ... [2021-06-16 21:33:02,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:33:02" (1/1) ... [2021-06-16 21:33:02,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:33:02" (1/1) ... [2021-06-16 21:33:02,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 21:33:02,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 21:33:02,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 21:33:02,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 21:33:02,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:33:02" (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 [2021-06-16 21:33:02,698 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-16 21:33:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-16 21:33:02,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-16 21:33:02,698 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-16 21:33:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-16 21:33:02,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-16 21:33:02,698 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 21:33:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 21:33:02,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 21:33:02,699 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-16 21:33:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-16 21:33:02,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-16 21:33:02,699 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 21:33:02,890 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 21:33:02,890 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-16 21:33:02,891 INFO L202 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 09:33:02 BoogieIcfgContainer [2021-06-16 21:33:02,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 21:33:02,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 21:33:02,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 21:33:02,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 21:33:02,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:33:02" (1/2) ... [2021-06-16 21:33:02,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6ea6ed and model type min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 09:33:02, skipping insertion in model container [2021-06-16 21:33:02,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 09:33:02" (2/2) ... [2021-06-16 21:33:02,897 INFO L111 eAbstractionObserver]: Analyzing ICFG min-array-hom.wvr.bpl [2021-06-16 21:33:02,901 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 21:33:02,901 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 21:33:02,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 21:33:02,901 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 21:33:02,926 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-16 21:33:02,939 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 [2021-06-16 21:33:03,023 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 21:33:03,024 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 21:33:03,024 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 21:33:03,024 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 21:33:03,024 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 21:33:03,024 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 21:33:03,024 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 21:33:03,024 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 21:33:03,074 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:33:03,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:33:03,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-06-16 21:33:03,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:33:03,087 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579106808] [2021-06-16 21:33:03,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:33:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:33:03,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:33:03,230 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:33:03,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579106808] [2021-06-16 21:33:03,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579106808] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:33:03,231 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 21:33:03,231 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 21:33:03,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537147421] [2021-06-16 21:33:03,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 21:33:03,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:33:03,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 21:33:03,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 21:33:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:03,244 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:33:03,245 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) [2021-06-16 21:33:03,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:03,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:33:03,260 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 21:33:03,260 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:33:03,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:33:03,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-06-16 21:33:03,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:33:03,261 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709449623] [2021-06-16 21:33:03,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:33:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:33:03,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 21:33:03,295 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:33:03,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709449623] [2021-06-16 21:33:03,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709449623] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:33:03,295 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 21:33:03,296 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-16 21:33:03,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068242274] [2021-06-16 21:33:03,297 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 21:33:03,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:33:03,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 21:33:03,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-16 21:33:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:03,298 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:33:03,298 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) [2021-06-16 21:33:03,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:33:03,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:03,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:33:03,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:33:03,346 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 21:33:03,346 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:33:03,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:33:03,347 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-06-16 21:33:03,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:33:03,347 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434596006] [2021-06-16 21:33:03,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:33:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:33:03,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:33:03,715 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:33:03,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434596006] [2021-06-16 21:33:03,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434596006] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:33:03,716 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563887270] [2021-06-16 21:33:03,716 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 [2021-06-16 21:33:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:33:03,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-16 21:33:03,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:33:04,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:04,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:04,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2021-06-16 21:33:04,153 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:04,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:04,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:04,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-16 21:33:04,157 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:04,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:33:04,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-16 21:33:04,161 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:04,171 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:04,174 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 21:33:04,174 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-06-16 21:33:04,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:33:04,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563887270] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:33:04,207 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:33:04,207 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-16 21:33:04,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261981102] [2021-06-16 21:33:04,207 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-16 21:33:04,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:33:04,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-16 21:33:04,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-16 21:33:04,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:04,208 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:33:04,209 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:33:04,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:33:04,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:33:04,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:04,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:33:04,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:33:04,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:33:04,558 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:33:04,559 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:33:04,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:33:04,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-06-16 21:33:04,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:33:04,559 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716381951] [2021-06-16 21:33:04,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:33:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:33:04,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:33:04,604 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:33:04,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716381951] [2021-06-16 21:33:04,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716381951] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:33:04,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494403440] [2021-06-16 21:33:04,604 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 [2021-06-16 21:33:04,662 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 21:33:04,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:33:04,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 21:33:04,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:33:04,777 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:33:04,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494403440] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:33:04,778 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:33:04,778 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-16 21:33:04,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841245471] [2021-06-16 21:33:04,779 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-16 21:33:04,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:33:04,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-16 21:33:04,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-16 21:33:04,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:04,781 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:33:04,781 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) [2021-06-16 21:33:04,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:33:04,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:33:04,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:33:04,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:04,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:33:04,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:33:04,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:33:04,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:33:05,158 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-16 21:33:05,159 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:33:05,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:33:05,159 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-06-16 21:33:05,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:33:05,159 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799249181] [2021-06-16 21:33:05,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:33:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:33:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 21:33:05,217 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:33:05,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799249181] [2021-06-16 21:33:05,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799249181] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:33:05,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897597048] [2021-06-16 21:33:05,218 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 [2021-06-16 21:33:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:33:05,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 21:33:05,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:33:05,333 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 21:33:05,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897597048] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:33:05,334 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:33:05,334 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-16 21:33:05,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629224404] [2021-06-16 21:33:05,334 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 21:33:05,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:33:05,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 21:33:05,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-16 21:33:05,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:05,335 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:33:05,335 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) [2021-06-16 21:33:05,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:33:05,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:33:05,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:33:05,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:33:05,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:33:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:33:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:33:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:33:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:33:05,628 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:33:05,629 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:33:05,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:33:05,629 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-06-16 21:33:05,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:33:05,630 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71497256] [2021-06-16 21:33:05,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:33:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:33:06,072 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2021-06-16 21:33:06,270 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 67 [2021-06-16 21:33:06,471 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 62 [2021-06-16 21:33:06,626 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2021-06-16 21:33:06,779 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2021-06-16 21:33:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:33:06,909 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:33:06,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71497256] [2021-06-16 21:33:06,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71497256] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:33:06,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459269844] [2021-06-16 21:33:06,912 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 [2021-06-16 21:33:06,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 21:33:06,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:33:06,950 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-16 21:33:06,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:33:08,274 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-06-16 21:33:09,696 INFO L446 ElimStorePlain]: Different costs {7=[A, v_prenex_71, v_prenex_65, v_prenex_75, v_prenex_73, v_prenex_69, v_prenex_57, v_prenex_46, v_prenex_55, v_prenex_59, v_prenex_48], 10=[v_prenex_50, v_prenex_61, v_prenex_53, v_prenex_63, v_prenex_67]} [2021-06-16 21:33:09,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:09,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:09,820 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-16 21:33:09,820 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 [2021-06-16 21:33:09,828 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:09,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:09,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:09,891 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-16 21:33:09,892 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 [2021-06-16 21:33:09,894 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:13,308 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 370 DAG size of output: 368 [2021-06-16 21:33:13,309 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.6 percent of original size [2021-06-16 21:33:13,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:13,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:13,419 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:13,420 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 49 treesize of output 69 [2021-06-16 21:33:13,436 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:13,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:13,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:13,541 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-16 21:33:13,541 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 [2021-06-16 21:33:13,559 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:16,840 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 365 DAG size of output: 359 [2021-06-16 21:33:16,845 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-16 21:33:16,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:16,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:16,925 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-16 21:33:16,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-16 21:33:16,931 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:16,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:16,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:17,008 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-16 21:33:17,009 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 [2021-06-16 21:33:17,016 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:18,644 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 351 [2021-06-16 21:33:18,645 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:18,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:18,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:18,745 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-16 21:33:18,746 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 [2021-06-16 21:33:18,756 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:18,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:18,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:18,838 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-16 21:33:18,838 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 [2021-06-16 21:33:18,843 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:20,437 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-16 21:33:20,438 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:20,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:20,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:20,534 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-16 21:33:20,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-16 21:33:20,544 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:20,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:20,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:20,603 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-16 21:33:20,603 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 [2021-06-16 21:33:20,608 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:22,130 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 336 [2021-06-16 21:33:22,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:22,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:22,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:22,203 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-16 21:33:22,204 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 [2021-06-16 21:33:22,206 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:22,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:22,262 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-16 21:33:22,262 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 [2021-06-16 21:33:22,266 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:23,711 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 325 [2021-06-16 21:33:23,711 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:23,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:23,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:23,781 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-16 21:33:23,782 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 46 treesize of output 36 [2021-06-16 21:33:23,784 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:23,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:23,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:23,838 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-16 21:33:23,838 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 [2021-06-16 21:33:23,842 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:25,272 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 313 [2021-06-16 21:33:25,272 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:25,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:25,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:25,350 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-16 21:33:25,351 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 44 treesize of output 48 [2021-06-16 21:33:25,358 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:25,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:25,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:25,417 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:25,417 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 [2021-06-16 21:33:25,429 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:28,105 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 306 DAG size of output: 299 [2021-06-16 21:33:28,106 INFO L628 ElimStorePlain]: treesize reduction 17, result has 99.2 percent of original size [2021-06-16 21:33:28,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:28,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:28,173 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-16 21:33:28,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 42 [2021-06-16 21:33:28,179 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:28,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:28,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:28,232 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-16 21:33:28,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 41 [2021-06-16 21:33:28,234 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:29,477 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 287 [2021-06-16 21:33:29,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:29,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:29,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:29,539 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-16 21:33:29,540 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 [2021-06-16 21:33:29,542 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:29,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:29,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:29,607 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-16 21:33:29,608 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 [2021-06-16 21:33:29,612 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:30,794 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 274 [2021-06-16 21:33:30,794 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:30,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:30,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:30,867 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-16 21:33:30,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-16 21:33:30,871 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:30,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:30,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:30,936 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-16 21:33:30,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 52 [2021-06-16 21:33:30,953 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:32,102 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 263 [2021-06-16 21:33:32,102 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:32,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:32,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:32,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:32,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:32,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:32,162 INFO L354 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2021-06-16 21:33:32,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 35 [2021-06-16 21:33:32,165 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:32,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:32,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:32,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:32,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:32,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:32,215 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:32,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 66 [2021-06-16 21:33:32,226 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:33,348 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 255 [2021-06-16 21:33:33,348 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:33,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:33,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:33,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:33,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:33,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:33,427 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-16 21:33:33,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 54 [2021-06-16 21:33:33,438 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:33,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:33,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:33,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:33,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:33,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:33,498 INFO L354 Elim1Store]: treesize reduction 16, result has 68.6 percent of original size [2021-06-16 21:33:33,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 53 [2021-06-16 21:33:33,519 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:34,616 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 241 [2021-06-16 21:33:34,617 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:34,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:34,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:34,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:34,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:34,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:34,678 INFO L354 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2021-06-16 21:33:34,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 40 [2021-06-16 21:33:34,681 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:34,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:34,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:34,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:34,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:34,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:34,736 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-06-16 21:33:34,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 41 [2021-06-16 21:33:34,742 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:35,782 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 233 [2021-06-16 21:33:35,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:35,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,842 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-06-16 21:33:35,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 41 [2021-06-16 21:33:35,847 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:35,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:35,900 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-16 21:33:35,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-06-16 21:33:35,905 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:36,897 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-06-16 21:33:36,898 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:36,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:36,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:36,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:36,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:36,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:36,952 INFO L354 Elim1Store]: treesize reduction 30, result has 41.2 percent of original size [2021-06-16 21:33:36,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 39 [2021-06-16 21:33:36,958 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:36,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:36,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:36,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:36,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:33:37,008 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-16 21:33:37,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-06-16 21:33:37,015 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-16 21:33:37,978 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-06-16 21:33:37,979 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:33:38,229 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-16 21:33:38,229 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2333, output treesize:2330 [2021-06-16 21:33:39,009 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 77 [2021-06-16 21:33:39,148 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:33:39,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459269844] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:33:39,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:33:39,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-16 21:33:39,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382741512] [2021-06-16 21:33:39,148 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-16 21:33:39,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:33:39,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-16 21:33:39,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-16 21:33:39,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:39,149 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:33:39,149 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) [2021-06-16 21:33:39,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:33:39,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:33:39,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:33:39,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:33:39,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:33:39,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:39,326 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 35 [2021-06-16 21:33:39,550 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 53 [2021-06-16 21:33:39,805 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-06-16 21:33:40,137 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-06-16 21:33:40,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:33:40,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:33:40,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:33:40,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:33:40,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:33:40,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:33:40,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-16 21:33:40,449 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:33:40,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:33:40,449 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-06-16 21:33:40,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:33:40,449 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152970552] [2021-06-16 21:33:40,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:33:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:33:40,514 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:33:40,514 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:33:40,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152970552] [2021-06-16 21:33:40,514 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152970552] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:33:40,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113747999] [2021-06-16 21:33:40,515 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 [2021-06-16 21:33:40,548 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-16 21:33:40,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:33:40,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-16 21:33:40,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:33:40,682 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:33:40,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113747999] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:33:40,682 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:33:40,682 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-16 21:33:40,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386243263] [2021-06-16 21:33:40,683 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-16 21:33:40,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:33:40,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-16 21:33:40,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-16 21:33:40,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:40,683 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:33:40,684 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) [2021-06-16 21:33:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:33:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:33:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:33:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:33:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:33:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:33:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:41,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:33:41,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:33:41,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:33:41,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:33:41,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:33:41,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:33:41,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:33:41,256 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:33:41,257 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:33:41,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:33:41,257 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-06-16 21:33:41,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:33:41,257 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551350181] [2021-06-16 21:33:41,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:33:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:33:41,323 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 21:33:41,323 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:33:41,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551350181] [2021-06-16 21:33:41,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551350181] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:33:41,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822894385] [2021-06-16 21:33:41,324 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 [2021-06-16 21:33:41,355 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 21:33:41,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:33:41,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-16 21:33:41,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:33:41,454 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 21:33:41,454 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822894385] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:33:41,454 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:33:41,454 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-16 21:33:41,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742000489] [2021-06-16 21:33:41,454 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-16 21:33:41,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:33:41,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-16 21:33:41,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-16 21:33:41,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:41,455 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:33:41,455 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) [2021-06-16 21:33:41,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:33:41,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:33:41,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:33:41,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:33:41,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:33:41,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:33:41,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:33:41,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:33:41,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:33:41,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:33:41,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:33:41,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:33:41,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:33:41,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:33:41,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:33:41,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:33:41,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:33:41,777 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:33:41,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:33:41,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-06-16 21:33:41,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:33:41,777 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788349286] [2021-06-16 21:33:41,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:33:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:33:42,873 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 46 [2021-06-16 21:33:43,191 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 248 [2021-06-16 21:33:43,723 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 74 [2021-06-16 21:33:44,369 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 344 [2021-06-16 21:33:45,609 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 344 DAG size of output: 124 [2021-06-16 21:33:46,386 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 423 [2021-06-16 21:33:48,341 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 423 DAG size of output: 203 [2021-06-16 21:33:49,052 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 418 [2021-06-16 21:33:51,038 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 418 DAG size of output: 198 [2021-06-16 21:33:51,883 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 373 [2021-06-16 21:33:53,121 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 373 DAG size of output: 121 [2021-06-16 21:33:53,612 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 254 [2021-06-16 21:33:54,324 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 75 [2021-06-16 21:33:54,440 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 158 [2021-06-16 21:33:54,818 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 45 [2021-06-16 21:33:54,924 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 156 [2021-06-16 21:33:55,312 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 43 [2021-06-16 21:33:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:33:55,514 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:33:55,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788349286] [2021-06-16 21:33:55,514 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788349286] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:33:55,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278422257] [2021-06-16 21:33:55,514 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 [2021-06-16 21:33:55,568 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-16 21:33:55,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:33:55,570 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-16 21:33:55,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:33:57,308 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-16 21:33:58,808 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-16 21:34:02,595 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 393 DAG size of output: 359 [2021-06-16 21:34:06,162 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 399 DAG size of output: 363 [2021-06-16 21:34:09,892 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 405 DAG size of output: 367 [2021-06-16 21:34:11,491 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 366 [2021-06-16 21:34:12,927 WARN L205 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2021-06-16 21:34:14,858 WARN L205 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2021-06-16 21:34:15,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:15,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:15,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:15,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:15,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:15,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:15,639 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 [2021-06-16 21:34:15,641 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:15,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:15,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:15,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:15,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:15,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:15,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-16 21:34:15,683 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:23,120 WARN L205 SmtUtils]: Spent 7.44 s on a formula simplification. DAG size of input: 798 DAG size of output: 728 [2021-06-16 21:34:23,121 INFO L628 ElimStorePlain]: treesize reduction 1197, result has 68.9 percent of original size [2021-06-16 21:34:23,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:23,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:23,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:23,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:23,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:23,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:23,178 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 [2021-06-16 21:34:23,180 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:23,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:23,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:23,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:23,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:23,215 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 [2021-06-16 21:34:23,217 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:26,040 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification that was a NOOP. DAG size: 716 [2021-06-16 21:34:26,040 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:26,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:26,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:26,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:26,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:26,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:26,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:26,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-16 21:34:26,103 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:26,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:26,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:26,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:26,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:26,141 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 [2021-06-16 21:34:26,143 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:28,886 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 699 [2021-06-16 21:34:28,886 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:28,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:28,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:28,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:28,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:28,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:28,943 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 [2021-06-16 21:34:28,944 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:31,552 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 687 [2021-06-16 21:34:31,552 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:31,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:31,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:31,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:31,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:31,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:31,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:31,605 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 [2021-06-16 21:34:31,607 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:31,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:31,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:31,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:31,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:31,643 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 [2021-06-16 21:34:31,644 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:34,077 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 672 [2021-06-16 21:34:34,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:34,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:34,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:34,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:34,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:34,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:34,109 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 [2021-06-16 21:34:34,111 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:36,469 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 657 [2021-06-16 21:34:36,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:36,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:36,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:36,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:36,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:36,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:36,502 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 47 treesize of output 25 [2021-06-16 21:34:36,504 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:38,857 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 642 [2021-06-16 21:34:38,857 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:38,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:38,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:38,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:38,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:38,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:38,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:38,909 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 [2021-06-16 21:34:38,911 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:38,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:38,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:38,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:38,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:38,946 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 [2021-06-16 21:34:38,948 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:41,050 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 626 [2021-06-16 21:34:41,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:41,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:41,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:41,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:41,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:41,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:41,081 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 [2021-06-16 21:34:41,082 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:43,153 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 611 [2021-06-16 21:34:43,153 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:43,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:43,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:43,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:43,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:43,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:43,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-16 21:34:43,185 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:45,168 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 597 [2021-06-16 21:34:45,168 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:45,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:45,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:45,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:45,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:45,217 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 [2021-06-16 21:34:45,219 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:45,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:45,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:45,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:45,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:45,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:45,250 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 [2021-06-16 21:34:45,251 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:47,138 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 580 [2021-06-16 21:34:47,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:47,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:47,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:47,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:47,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:47,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:47,172 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 [2021-06-16 21:34:47,173 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:49,170 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 567 [2021-06-16 21:34:49,170 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:49,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:49,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:49,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:49,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:49,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:49,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:49,214 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 [2021-06-16 21:34:49,216 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:49,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:49,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:49,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:49,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:49,245 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 [2021-06-16 21:34:49,247 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:51,013 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 550 [2021-06-16 21:34:51,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:51,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:51,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:51,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:51,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:51,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:51,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:51,058 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 [2021-06-16 21:34:51,060 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:51,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:51,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:51,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:51,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:51,088 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 [2021-06-16 21:34:51,089 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:52,769 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 533 [2021-06-16 21:34:52,770 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:52,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:52,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:52,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:52,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:52,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:52,799 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 [2021-06-16 21:34:52,802 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:54,495 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 518 [2021-06-16 21:34:54,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:54,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:54,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:54,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:54,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:54,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-16 21:34:54,538 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:54,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:54,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:54,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:54,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:54,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:54,565 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 [2021-06-16 21:34:54,566 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:56,097 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 501 [2021-06-16 21:34:56,097 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:56,097 INFO L518 ElimStorePlain]: Eliminatee v_prenex_150 vanished before elimination [2021-06-16 21:34:56,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:56,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:56,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:56,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:56,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:56,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:56,124 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 [2021-06-16 21:34:56,125 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:57,587 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 486 [2021-06-16 21:34:57,588 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:57,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:57,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:57,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:57,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:57,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:57,612 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 [2021-06-16 21:34:57,613 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:59,053 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 471 [2021-06-16 21:34:59,053 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:34:59,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:59,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:59,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:59,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:59,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:59,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:34:59,090 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 [2021-06-16 21:34:59,092 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-16 21:34:59,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:59,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:59,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:59,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:34:59,120 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 [2021-06-16 21:34:59,121 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:00,470 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 455 [2021-06-16 21:35:00,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:35:00,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:35:00,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:00,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:00,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:00,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:00,494 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 [2021-06-16 21:35:00,496 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:01,820 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 440 [2021-06-16 21:35:01,820 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:35:01,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:01,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:01,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:01,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:01,857 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 [2021-06-16 21:35:01,859 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:01,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:01,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:35:01,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:01,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:01,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:01,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-16 21:35:01,885 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:03,092 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 423 [2021-06-16 21:35:03,093 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:35:03,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:03,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:03,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:03,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:03,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-16 21:35:03,130 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:03,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:35:03,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:03,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:03,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:03,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:03,154 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 [2021-06-16 21:35:03,155 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:04,340 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 406 [2021-06-16 21:35:04,341 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:35:04,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:35:04,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:04,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:04,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:04,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:04,363 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 [2021-06-16 21:35:04,365 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:05,434 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 391 [2021-06-16 21:35:05,435 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:35:05,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:35:05,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:05,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:05,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:05,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:05,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:35:05,468 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 [2021-06-16 21:35:05,470 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:05,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:05,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:05,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:05,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:05,490 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 [2021-06-16 21:35:05,492 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:06,491 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2021-06-16 21:35:06,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:35:06,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:06,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:06,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:35:06,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:06,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:06,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:35:06,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-16 21:35:06,526 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:06,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:06,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:06,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:06,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:06,548 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 [2021-06-16 21:35:06,550 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:07,477 WARN L205 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2021-06-16 21:35:07,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:35:07,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:35:07,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:07,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:07,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:07,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:07,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-16 21:35:07,499 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:08,414 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2021-06-16 21:35:08,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:35:08,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:35:08,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:08,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:08,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:08,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:08,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:35:08,446 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 [2021-06-16 21:35:08,447 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:08,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:08,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:08,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:08,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:08,465 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 [2021-06-16 21:35:08,467 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:09,309 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-06-16 21:35:09,310 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:35:09,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:35:09,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:09,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:09,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:09,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:09,328 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 [2021-06-16 21:35:09,329 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:10,147 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-06-16 21:35:10,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:35:10,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:10,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:10,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:35:10,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:10,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:10,169 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 [2021-06-16 21:35:10,170 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:10,946 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-06-16 21:35:10,946 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:35:10,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:10,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:10,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:10,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:10,974 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 [2021-06-16 21:35:10,976 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:10,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:35:10,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:10,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:10,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:10,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:10,994 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 50 treesize of output 28 [2021-06-16 21:35:10,996 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:11,696 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2021-06-16 21:35:11,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:35:11,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:11,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:35:11,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:11,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:11,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:35:11,713 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 36 treesize of output 22 [2021-06-16 21:35:11,715 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-16 21:35:12,388 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-06-16 21:35:12,388 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:35:12,412 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 21 xjuncts. [2021-06-16 21:35:12,412 INFO L247 ElimStorePlain]: Needed 48 recursive calls to eliminate 96 variables, input treesize:3924, output treesize:252 [2021-06-16 21:35:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:35:12,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278422257] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:35:12,628 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:35:12,628 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-16 21:35:12,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888734015] [2021-06-16 21:35:12,629 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-16 21:35:12,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:35:12,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-16 21:35:12,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=899, Unknown=0, NotChecked=0, Total=992 [2021-06-16 21:35:12,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:35:12,630 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:35:12,630 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) [2021-06-16 21:35:12,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:35:12,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:35:12,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:35:12,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:35:12,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:35:12,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:35:12,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:35:12,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:35:12,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:35:13,152 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 35 [2021-06-16 21:35:13,589 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2021-06-16 21:35:14,218 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2021-06-16 21:35:14,435 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 61 [2021-06-16 21:35:14,800 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-06-16 21:35:15,119 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 85 [2021-06-16 21:35:16,917 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 560 DAG size of output: 204 [2021-06-16 21:35:19,886 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 300 DAG size of output: 123 [2021-06-16 21:35:24,269 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 604 DAG size of output: 167 [2021-06-16 21:35:25,233 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2021-06-16 21:35:25,649 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-06-16 21:35:26,322 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-06-16 21:35:27,326 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2021-06-16 21:35:27,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:35:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:35:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:35:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:35:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:35:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:35:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:35:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:35:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 21:35:27,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable287 [2021-06-16 21:35:27,637 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:35:27,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:35:27,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1933198930, now seen corresponding path program 6 times [2021-06-16 21:35:27,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:35:27,637 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995645781] [2021-06-16 21:35:27,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:35:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:35:27,760 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:35:27,760 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:35:27,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995645781] [2021-06-16 21:35:27,760 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995645781] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:35:27,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606175828] [2021-06-16 21:35:27,760 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 [2021-06-16 21:35:27,797 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-16 21:35:27,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:35:27,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-16 21:35:27,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:35:28,029 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:35:28,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606175828] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:35:28,029 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:35:28,029 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-16 21:35:28,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419778602] [2021-06-16 21:35:28,030 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-16 21:35:28,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:35:28,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-16 21:35:28,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-16 21:35:28,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:35:28,032 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:35:28,032 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) [2021-06-16 21:35:28,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:35:28,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:35:28,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:35:28,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:35:28,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:35:28,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:35:28,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:35:28,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:35:28,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 21:35:28,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:35:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:35:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:35:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:35:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:35:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 21:35:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:35:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:35:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:35:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 21:35:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 21:35:28,425 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable443 [2021-06-16 21:35:28,425 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:35:28,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:35:28,425 INFO L82 PathProgramCache]: Analyzing trace with hash 976790896, now seen corresponding path program 7 times [2021-06-16 21:35:28,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:35:28,426 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873794420] [2021-06-16 21:35:28,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:35:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:35:32,196 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 30 [2021-06-16 21:35:32,358 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 128 [2021-06-16 21:35:32,518 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2021-06-16 21:35:32,911 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 69 [2021-06-16 21:35:33,152 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 249 [2021-06-16 21:35:33,825 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 101 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown