/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 05:47:42,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 05:47:42,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 05:47:42,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 05:47:42,494 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 05:47:42,512 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 05:47:42,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 05:47:42,513 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 05:47:42,513 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 05:47:42,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 05:47:42,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 05:47:42,515 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 05:47:42,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 05:47:42,515 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 05:47:42,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 05:47:42,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 05:47:42,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 05:47:42,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 05:47:42,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 05:47:42,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 05:47:42,517 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 05:47:42,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 05:47:42,517 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 05:47:42,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 05:47:42,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 05:47:42,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 05:47:42,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 05:47:42,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 05:47:42,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 05:47:42,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 05:47:42,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 05:47:42,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 05:47:42,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 05:47:42,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 05:47:42,520 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 05:47:42,520 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 05:47:42,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 05:47:42,520 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 05:47:42,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 05:47:42,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 05:47:42,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 05:47:42,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 05:47:42,880 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 05:47:42,881 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 05:47:42,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl [2021-06-06 05:47:42,882 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl' [2021-06-06 05:47:42,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 05:47:42,905 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 05:47:42,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 05:47:42,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 05:47:42,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 05:47:42,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:47:42" (1/1) ... [2021-06-06 05:47:42,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:47:42" (1/1) ... [2021-06-06 05:47:42,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 05:47:42,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 05:47:42,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 05:47:42,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 05:47:42,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:47:42" (1/1) ... [2021-06-06 05:47:42,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:47:42" (1/1) ... [2021-06-06 05:47:42,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:47:42" (1/1) ... [2021-06-06 05:47:42,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:47:42" (1/1) ... [2021-06-06 05:47:42,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:47:42" (1/1) ... [2021-06-06 05:47:42,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:47:42" (1/1) ... [2021-06-06 05:47:42,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:47:42" (1/1) ... [2021-06-06 05:47:42,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 05:47:42,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 05:47:42,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 05:47:42,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 05:47:42,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:47:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 05:47:43,020 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 05:47:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 05:47:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 05:47:43,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 05:47:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 05:47:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 05:47:43,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 05:47:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 05:47:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 05:47:43,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 05:47:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 05:47:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 05:47:43,023 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 05:47:43,267 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 05:47:43,267 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 05:47:43,269 INFO L202 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:47:43 BoogieIcfgContainer [2021-06-06 05:47:43,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 05:47:43,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 05:47:43,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 05:47:43,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 05:47:43,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:47:42" (1/2) ... [2021-06-06 05:47:43,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c682925 and model type min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 05:47:43, skipping insertion in model container [2021-06-06 05:47:43,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:47:43" (2/2) ... [2021-06-06 05:47:43,291 INFO L111 eAbstractionObserver]: Analyzing ICFG min-array-hom.wvr.bpl [2021-06-06 05:47:43,296 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 05:47:43,296 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 05:47:43,296 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 05:47:43,297 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 05:47:43,365 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 05:47:43,384 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 05:47:43,448 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 05:47:43,448 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 05:47:43,449 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 05:47:43,449 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 05:47:43,449 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 05:47:43,449 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 05:47:43,449 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 05:47:43,449 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 05:47:43,499 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:47:43,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:47:43,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-06-06 05:47:43,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:47:43,511 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739045494] [2021-06-06 05:47:43,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:47:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:47:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:43,693 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:47:43,694 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739045494] [2021-06-06 05:47:43,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739045494] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 05:47:43,695 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 05:47:43,695 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 05:47:43,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617953885] [2021-06-06 05:47:43,700 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 05:47:43,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:47:43,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 05:47:43,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 05:47:43,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:43,710 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:47:43,717 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:47:43,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:43,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:43,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 05:47:43,748 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:47:43,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:47:43,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-06-06 05:47:43,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:47:43,749 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755904776] [2021-06-06 05:47:43,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:47:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:47:43,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:47:43,787 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:47:43,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755904776] [2021-06-06 05:47:43,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755904776] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 05:47:43,787 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 05:47:43,788 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 05:47:43,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320354501] [2021-06-06 05:47:43,789 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 05:47:43,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:47:43,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 05:47:43,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 05:47:43,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:43,790 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:47:43,790 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:47:43,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:43,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:43,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:43,827 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 05:47:43,827 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:47:43,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:47:43,827 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-06-06 05:47:43,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:47:43,828 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862081264] [2021-06-06 05:47:43,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:47:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:47:44,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:44,268 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:47:44,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862081264] [2021-06-06 05:47:44,268 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862081264] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:44,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807478501] [2021-06-06 05:47:44,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:47:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:47:44,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 05:47:44,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:47:44,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:44,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:44,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2021-06-06 05:47:44,782 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:44,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:44,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:44,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 05:47:44,789 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:44,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:44,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 05:47:44,798 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:44,815 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:44,842 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 05:47:44,842 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-06-06 05:47:44,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:44,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807478501] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:44,935 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:47:44,935 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 05:47:44,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791981462] [2021-06-06 05:47:44,936 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 05:47:44,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:47:44,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 05:47:44,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-06 05:47:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:44,938 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:47:44,939 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:47:44,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:44,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:44,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:45,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:45,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:45,336 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:47:45,337 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:47:45,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:47:45,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-06-06 05:47:45,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:47:45,338 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412304279] [2021-06-06 05:47:45,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:47:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:47:45,425 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:45,425 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:47:45,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412304279] [2021-06-06 05:47:45,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412304279] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:45,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125321187] [2021-06-06 05:47:45,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:47:45,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:47:45,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:47:45,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 05:47:45,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:47:45,614 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:45,614 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125321187] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:45,614 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:47:45,614 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 05:47:45,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295316804] [2021-06-06 05:47:45,616 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 05:47:45,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:47:45,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 05:47:45,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 05:47:45,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:45,618 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:47:45,619 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:47:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:45,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:45,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:45,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:45,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:46,012 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-06 05:47:46,013 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:47:46,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:47:46,014 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-06-06 05:47:46,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:47:46,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36579651] [2021-06-06 05:47:46,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:47:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:47:46,077 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:47:46,077 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:47:46,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36579651] [2021-06-06 05:47:46,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36579651] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:46,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157435156] [2021-06-06 05:47:46,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:47:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:47:46,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 05:47:46,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:47:46,235 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:47:46,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157435156] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:46,235 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:47:46,235 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 05:47:46,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102279788] [2021-06-06 05:47:46,236 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 05:47:46,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:47:46,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 05:47:46,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 05:47:46,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:46,238 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:47:46,238 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:47:46,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:46,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:46,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:46,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:46,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:46,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:46,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:46,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:46,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:46,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:46,555 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:47:46,555 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:47:46,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:47:46,556 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-06-06 05:47:46,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:47:46,556 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940428568] [2021-06-06 05:47:46,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:47:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:47:47,217 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2021-06-06 05:47:47,464 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 67 [2021-06-06 05:47:47,694 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 62 [2021-06-06 05:47:47,892 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2021-06-06 05:47:48,093 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2021-06-06 05:47:48,255 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:48,255 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:47:48,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940428568] [2021-06-06 05:47:48,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940428568] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:48,256 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66079110] [2021-06-06 05:47:48,256 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:47:48,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:47:48,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:47:48,302 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 05:47:48,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:47:49,188 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-06 05:47:49,832 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-06-06 05:47:51,653 INFO L446 ElimStorePlain]: Different costs {7=[A, v_prenex_71, v_prenex_65, v_prenex_75, v_prenex_73, v_prenex_69, v_prenex_57, v_prenex_46, v_prenex_55, v_prenex_59, v_prenex_48], 10=[v_prenex_50, v_prenex_61, v_prenex_53, v_prenex_63, v_prenex_67]} [2021-06-06 05:47:51,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:51,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:51,770 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:47:51,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-06 05:47:51,782 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:51,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:51,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:51,861 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:47:51,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-06 05:47:51,864 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:55,456 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 370 DAG size of output: 368 [2021-06-06 05:47:55,457 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.6 percent of original size [2021-06-06 05:47:55,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:55,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:55,554 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:55,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-06 05:47:55,571 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:55,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:55,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:55,691 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-06 05:47:55,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 62 [2021-06-06 05:47:55,712 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:59,188 WARN L205 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 365 DAG size of output: 359 [2021-06-06 05:47:59,189 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-06 05:47:59,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:59,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:59,266 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:47:59,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 38 [2021-06-06 05:47:59,271 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:59,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:59,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:59,348 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:47:59,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-06 05:47:59,353 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:01,014 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 351 [2021-06-06 05:48:01,015 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:01,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:01,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:01,112 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:48:01,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 50 [2021-06-06 05:48:01,121 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:01,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:01,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:01,237 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:48:01,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-06 05:48:01,246 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:02,855 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-06 05:48:02,855 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:02,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:02,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:02,956 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:48:02,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-06 05:48:02,969 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:02,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:02,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:03,030 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:48:03,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-06 05:48:03,033 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:04,644 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 336 [2021-06-06 05:48:04,644 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:04,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:04,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:04,758 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:48:04,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 38 [2021-06-06 05:48:04,761 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:04,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:04,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:04,823 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:48:04,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-06 05:48:04,826 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:06,326 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 325 [2021-06-06 05:48:06,326 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:06,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:06,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:06,407 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:48:06,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-06 05:48:06,411 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:06,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:06,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:06,480 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:48:06,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-06 05:48:06,485 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:07,934 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 313 [2021-06-06 05:48:07,934 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:07,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:08,040 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 05:48:08,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 48 [2021-06-06 05:48:08,055 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:08,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:08,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:08,121 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:08,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-06 05:48:08,141 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:10,873 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 306 DAG size of output: 299 [2021-06-06 05:48:10,874 INFO L628 ElimStorePlain]: treesize reduction 17, result has 99.2 percent of original size [2021-06-06 05:48:10,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:10,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:10,941 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:48:10,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 42 [2021-06-06 05:48:10,947 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:10,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:10,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:11,011 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:48:11,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 41 [2021-06-06 05:48:11,014 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:12,323 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 287 [2021-06-06 05:48:12,323 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:12,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:12,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:12,391 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:48:12,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-06 05:48:12,401 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:12,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:12,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:12,469 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:48:12,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-06 05:48:12,473 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:13,683 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 274 [2021-06-06 05:48:13,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:13,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:13,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:13,762 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:48:13,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-06 05:48:13,779 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:13,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:13,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:13,858 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 05:48:13,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 52 [2021-06-06 05:48:13,873 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:15,044 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 263 [2021-06-06 05:48:15,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:15,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,109 INFO L354 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2021-06-06 05:48:15,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 35 [2021-06-06 05:48:15,125 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:15,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,178 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:15,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 66 [2021-06-06 05:48:15,194 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:16,325 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 255 [2021-06-06 05:48:16,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:16,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,396 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-06 05:48:16,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 54 [2021-06-06 05:48:16,403 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:16,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,468 INFO L354 Elim1Store]: treesize reduction 16, result has 68.6 percent of original size [2021-06-06 05:48:16,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 53 [2021-06-06 05:48:16,488 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:17,578 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 241 [2021-06-06 05:48:17,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:17,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,636 INFO L354 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2021-06-06 05:48:17,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 40 [2021-06-06 05:48:17,639 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:17,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,684 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-06-06 05:48:17,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 41 [2021-06-06 05:48:17,693 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:18,776 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 233 [2021-06-06 05:48:18,777 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:18,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:18,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:18,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:18,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:18,835 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-06-06 05:48:18,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 41 [2021-06-06 05:48:18,841 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:18,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:18,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:18,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:18,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:18,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:18,899 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-06 05:48:18,900 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 [2021-06-06 05:48:18,920 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:19,933 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 221 [2021-06-06 05:48:19,933 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:19,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:19,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:19,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:19,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:19,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:19,993 INFO L354 Elim1Store]: treesize reduction 30, result has 41.2 percent of original size [2021-06-06 05:48:19,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 39 [2021-06-06 05:48:19,998 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:20,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:20,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:20,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:20,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:20,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:20,046 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-06 05:48:20,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-06-06 05:48:20,060 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:21,099 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 209 [2021-06-06 05:48:21,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:21,387 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-06 05:48:21,387 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2333, output treesize:2330 [2021-06-06 05:48:22,202 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 77 [2021-06-06 05:48:22,349 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:48:22,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66079110] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:48:22,350 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:48:22,350 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-06 05:48:22,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792422046] [2021-06-06 05:48:22,350 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 05:48:22,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:48:22,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 05:48:22,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-06 05:48:22,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:48:22,351 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:48:22,351 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:48:22,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:48:22,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:48:22,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:48:22,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:48:22,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:48:22,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:48:22,580 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 35 [2021-06-06 05:48:22,821 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 53 [2021-06-06 05:48:23,087 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-06-06 05:48:23,455 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-06-06 05:48:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:48:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:48:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:48:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:48:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:48:23,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:48:23,793 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 05:48:23,793 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:48:23,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:48:23,794 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-06-06 05:48:23,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:48:23,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133971135] [2021-06-06 05:48:23,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:48:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:48:23,897 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:48:23,897 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:48:23,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133971135] [2021-06-06 05:48:23,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133971135] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:48:23,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195771737] [2021-06-06 05:48:23,898 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:48:23,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 05:48:23,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:48:23,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 05:48:23,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:48:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:48:24,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195771737] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:48:24,142 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:48:24,142 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 05:48:24,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132288138] [2021-06-06 05:48:24,143 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 05:48:24,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:48:24,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 05:48:24,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 05:48:24,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:48:24,144 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:48:24,144 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:48:24,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:48:24,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:48:24,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:48:24,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:48:24,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:48:24,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:48:24,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:48:24,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:48:24,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:48:24,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:48:24,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:48:24,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:48:24,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:48:24,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:48:24,802 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:48:24,802 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:48:24,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:48:24,803 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-06-06 05:48:24,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:48:24,803 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763691098] [2021-06-06 05:48:24,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:48:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:48:24,896 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:48:24,896 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:48:24,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763691098] [2021-06-06 05:48:24,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763691098] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:48:24,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378635821] [2021-06-06 05:48:24,897 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:48:24,933 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 05:48:24,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:48:24,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 05:48:24,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:48:25,051 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:48:25,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378635821] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:48:25,051 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:48:25,051 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 05:48:25,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779634157] [2021-06-06 05:48:25,052 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 05:48:25,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:48:25,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 05:48:25,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 05:48:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:48:25,053 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:48:25,053 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:48:25,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:48:25,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:48:25,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:48:25,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:48:25,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:48:25,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:48:25,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:48:25,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:48:25,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:48:25,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:48:25,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:48:25,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:48:25,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:48:25,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:48:25,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:48:25,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:48:25,381 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:48:25,381 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:48:25,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:48:25,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-06-06 05:48:25,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:48:25,382 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026810452] [2021-06-06 05:48:25,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:48:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:48:26,732 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 46 [2021-06-06 05:48:27,092 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 248 [2021-06-06 05:48:27,676 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 74 [2021-06-06 05:48:28,305 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 344 [2021-06-06 05:48:29,551 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 344 DAG size of output: 124 [2021-06-06 05:48:30,309 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 423 [2021-06-06 05:48:32,291 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 423 DAG size of output: 203 [2021-06-06 05:48:32,937 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 418 [2021-06-06 05:48:34,962 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 418 DAG size of output: 198 [2021-06-06 05:48:35,827 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 373 [2021-06-06 05:48:37,097 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 373 DAG size of output: 121 [2021-06-06 05:48:37,576 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 254 [2021-06-06 05:48:38,332 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 75 [2021-06-06 05:48:38,435 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 158 [2021-06-06 05:48:38,817 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 45 [2021-06-06 05:48:38,921 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 156 [2021-06-06 05:48:39,294 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 43 [2021-06-06 05:48:39,457 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 22 [2021-06-06 05:48:39,500 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:48:39,501 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:48:39,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026810452] [2021-06-06 05:48:39,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026810452] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:48:39,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412909627] [2021-06-06 05:48:39,501 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:48:39,554 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 05:48:39,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:48:39,555 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 05:48:39,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:48:40,057 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-06-06 05:48:41,544 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-06 05:48:43,097 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-06 05:48:46,892 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 393 DAG size of output: 359 [2021-06-06 05:48:50,483 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 399 DAG size of output: 363 [2021-06-06 05:48:54,179 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 405 DAG size of output: 367 [2021-06-06 05:48:55,865 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 366 [2021-06-06 05:48:57,320 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2021-06-06 05:48:59,426 WARN L205 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2021-06-06 05:49:00,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:00,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:00,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:00,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:00,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:00,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:00,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 05:49:00,298 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:00,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:00,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:00,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:00,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:00,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:00,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 05:49:00,335 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:08,048 WARN L205 SmtUtils]: Spent 7.71 s on a formula simplification. DAG size of input: 798 DAG size of output: 728 [2021-06-06 05:49:08,050 INFO L628 ElimStorePlain]: treesize reduction 1197, result has 68.9 percent of original size [2021-06-06 05:49:08,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:08,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:08,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:08,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:08,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:08,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:08,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 05:49:08,109 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:08,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:08,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:08,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:08,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:08,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:49:08,147 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:11,118 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 716 [2021-06-06 05:49:11,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:11,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:11,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:11,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:11,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:11,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:11,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:11,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 05:49:11,176 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:11,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:11,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:11,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:11,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:11,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:49:11,220 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:14,040 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification that was a NOOP. DAG size: 699 [2021-06-06 05:49:14,041 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:14,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:14,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:14,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:14,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:14,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:14,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:49:14,080 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:16,604 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 687 [2021-06-06 05:49:16,604 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:16,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:16,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:16,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:16,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:16,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:16,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:16,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 05:49:16,682 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:16,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:16,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:16,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:16,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:16,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 05:49:16,732 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:19,212 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 672 [2021-06-06 05:49:19,213 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:19,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:19,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:19,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:19,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:19,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:19,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:49:19,247 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:21,639 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 657 [2021-06-06 05:49:21,639 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:21,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:21,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:21,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:21,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:21,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:21,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 05:49:21,681 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:23,971 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 642 [2021-06-06 05:49:23,972 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:24,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:24,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:24,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:24,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:24,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:24,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:24,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 05:49:24,031 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:24,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:24,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:24,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:24,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:24,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:49:24,065 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:26,245 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 626 [2021-06-06 05:49:26,245 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:26,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:26,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:26,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:26,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:26,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:26,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 05:49:26,287 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:28,473 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 611 [2021-06-06 05:49:28,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:28,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:28,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:28,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:28,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:28,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:28,502 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 45 treesize of output 25 [2021-06-06 05:49:28,504 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:30,591 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 597 [2021-06-06 05:49:30,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:30,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:30,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:30,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:30,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:30,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:49:30,639 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:30,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:30,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:30,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:30,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:30,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:30,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 05:49:30,670 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:32,572 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 580 [2021-06-06 05:49:32,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:32,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:32,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:32,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:32,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:32,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:32,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:49:32,605 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:34,508 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 567 [2021-06-06 05:49:34,508 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:34,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:34,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:34,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:34,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:34,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:34,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:34,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 05:49:34,555 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:34,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:34,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:34,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:34,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:34,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 05:49:34,588 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:36,390 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 550 [2021-06-06 05:49:36,390 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:36,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:36,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:36,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:36,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:36,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:36,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:36,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 05:49:36,434 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:36,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:36,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:36,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:36,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:36,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 05:49:36,462 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:38,133 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 533 [2021-06-06 05:49:38,133 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:38,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:38,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:38,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:38,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:38,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:38,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-06 05:49:38,163 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:39,814 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 518 [2021-06-06 05:49:39,814 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:39,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:39,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:39,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:39,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:39,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:49:39,858 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:39,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:39,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:39,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:39,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:39,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:39,883 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 54 treesize of output 28 [2021-06-06 05:49:39,885 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:41,453 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 501 [2021-06-06 05:49:41,454 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:41,454 INFO L518 ElimStorePlain]: Eliminatee v_prenex_150 vanished before elimination [2021-06-06 05:49:41,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:41,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:41,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:41,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:41,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:41,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:41,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:49:41,482 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:42,970 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 486 [2021-06-06 05:49:42,970 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:42,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:42,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:42,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:42,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:42,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:42,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:49:42,996 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:44,462 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 471 [2021-06-06 05:49:44,463 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:44,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:44,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:44,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:44,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:44,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:44,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:44,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:49:44,503 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:44,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:44,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:44,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:44,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:44,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:49:44,534 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:45,877 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 455 [2021-06-06 05:49:45,878 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:45,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:45,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:45,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:45,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:45,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:45,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:49:45,902 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:47,213 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 440 [2021-06-06 05:49:47,213 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:47,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:47,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:47,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:47,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:47,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 05:49:47,252 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:47,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:47,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:47,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:47,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:47,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:47,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 05:49:47,276 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:48,501 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 423 [2021-06-06 05:49:48,501 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:48,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:48,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:48,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:48,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:48,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:49:48,541 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:48,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:48,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:48,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:48,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:48,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:48,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 05:49:48,567 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:49,699 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 406 [2021-06-06 05:49:49,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:49,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:49,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:49,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:49,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:49,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:49,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 05:49:49,726 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:50,809 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 391 [2021-06-06 05:49:50,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:50,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:50,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:50,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:50,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:50,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:50,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:50,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-06 05:49:50,845 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:50,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:50,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:50,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:50,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:50,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-06 05:49:50,868 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:51,882 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 374 [2021-06-06 05:49:51,882 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:51,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:51,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:51,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:51,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 05:49:51,916 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:51,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:51,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:51,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:51,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:51,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-06 05:49:51,945 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:52,897 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2021-06-06 05:49:52,897 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:52,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:52,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:52,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:52,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:52,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:52,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 05:49:52,918 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:53,837 WARN L205 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2021-06-06 05:49:53,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:53,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:53,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:53,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:53,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:53,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:53,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:53,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 05:49:53,870 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:53,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:53,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:53,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:53,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:53,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:49:53,893 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:54,744 WARN L205 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-06-06 05:49:54,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:54,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:54,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:54,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:54,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:54,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:54,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:49:54,764 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:55,582 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-06-06 05:49:55,583 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:55,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:55,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:55,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:55,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:55,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:55,605 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 49 treesize of output 25 [2021-06-06 05:49:55,607 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:56,398 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-06-06 05:49:56,398 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:56,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:56,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:56,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:56,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:56,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-06 05:49:56,453 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:56,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:56,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:56,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:56,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:56,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:56,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-06 05:49:56,479 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:57,197 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2021-06-06 05:49:57,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:57,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:57,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:49:57,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:57,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:57,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:49:57,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-06 05:49:57,217 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:57,909 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-06-06 05:49:57,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:57,934 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 21 xjuncts. [2021-06-06 05:49:57,934 INFO L247 ElimStorePlain]: Needed 48 recursive calls to eliminate 96 variables, input treesize:3924, output treesize:252 [2021-06-06 05:49:58,150 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:49:58,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412909627] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:49:58,151 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:49:58,151 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-06 05:49:58,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262621557] [2021-06-06 05:49:58,153 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 05:49:58,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:49:58,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 05:49:58,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=899, Unknown=0, NotChecked=0, Total=992 [2021-06-06 05:49:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:49:58,154 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:49:58,155 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:49:58,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:49:58,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:49:58,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:49:58,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:49:58,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:49:58,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:49:58,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:49:58,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:49:58,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:49:58,712 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 35 [2021-06-06 05:49:59,125 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2021-06-06 05:49:59,738 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2021-06-06 05:49:59,948 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 61 [2021-06-06 05:50:00,300 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-06-06 05:50:00,620 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 85 [2021-06-06 05:50:02,460 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 560 DAG size of output: 204 [2021-06-06 05:50:05,468 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 300 DAG size of output: 123 [2021-06-06 05:50:09,971 WARN L205 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 604 DAG size of output: 167 [2021-06-06 05:50:10,929 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2021-06-06 05:50:11,343 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-06-06 05:50:11,972 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-06-06 05:50:12,983 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2021-06-06 05:50:13,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:50:13,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:50:13,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:50:13,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:50:13,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:50:13,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:50:13,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:50:13,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:50:13,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 05:50:13,301 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable287 [2021-06-06 05:50:13,301 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:50:13,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:50:13,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1933198930, now seen corresponding path program 6 times [2021-06-06 05:50:13,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:50:13,302 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112482479] [2021-06-06 05:50:13,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:50:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:50:13,432 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:50:13,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:50:13,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112482479] [2021-06-06 05:50:13,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112482479] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:50:13,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855621024] [2021-06-06 05:50:13,432 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:50:13,490 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 05:50:13,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:50:13,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 05:50:13,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:50:13,750 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:50:13,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855621024] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:50:13,751 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:50:13,751 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-06 05:50:13,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902310370] [2021-06-06 05:50:13,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 05:50:13,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:50:13,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 05:50:13,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-06 05:50:13,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:50:13,752 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:50:13,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:50:13,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:50:13,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:50:13,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:50:13,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:50:13,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:50:13,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:50:13,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:50:13,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:50:13,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 05:50:13,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:50:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:50:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:50:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:50:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:50:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:50:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:50:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:50:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:50:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 05:50:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:50:14,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable443 [2021-06-06 05:50:14,189 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:50:14,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:50:14,189 INFO L82 PathProgramCache]: Analyzing trace with hash 976790896, now seen corresponding path program 7 times [2021-06-06 05:50:14,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:50:14,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892585551] [2021-06-06 05:50:14,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:50:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:50:19,001 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 30 [2021-06-06 05:50:19,160 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 128 [2021-06-06 05:50:19,337 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2021-06-06 05:50:19,751 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 69 [2021-06-06 05:50:20,015 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 249 [2021-06-06 05:50:20,683 WARN L205 SmtUtils]: Spent 622.00 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