/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-mult.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 05:35:15,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 05:35:15,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 05:35:15,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 05:35:15,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-14 05:35:15,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-14 05:35:15,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-14 05:35:15,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-14 05:35:15,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-14 05:35:15,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-14 05:35:15,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-14 05:35:15,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-14 05:35:15,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-14 05:35:15,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-14 05:35:15,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-14 05:35:15,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-14 05:35:15,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-14 05:35:15,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-14 05:35:15,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-14 05:35:15,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-14 05:35:15,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-14 05:35:15,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-14 05:35:15,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-14 05:35:15,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-14 05:35:15,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-14 05:35:15,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-14 05:35:15,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-14 05:35:15,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-14 05:35:15,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-14 05:35:15,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-14 05:35:15,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 05:35:15,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 05:35:15,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 05:35:15,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-06-14 05:35:15,183 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 05:35:15,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 05:35:15,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 05:35:15,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 05:35:15,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 05:35:15,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 05:35:15,186 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 05:35:15,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 05:35:15,186 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 05:35:15,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 05:35:15,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 05:35:15,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 05:35:15,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 05:35:15,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 05:35:15,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 05:35:15,188 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 05:35:15,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 05:35:15,188 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 05:35:15,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 05:35:15,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 05:35:15,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 05:35:15,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 05:35:15,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 05:35:15,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 05:35:15,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 05:35:15,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 05:35:15,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 05:35:15,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 05:35:15,190 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 05:35:15,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 05:35:15,190 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 05:35:15,190 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 05:35:15,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 05:35:15,190 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 05:35:15,190 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 05:35:15,190 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 05:35:15,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 05:35:15,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 05:35:15,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 05:35:15,453 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 05:35:15,453 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 05:35:15,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-mult.wvr.bpl [2021-06-14 05:35:15,468 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-mult.wvr.bpl' [2021-06-14 05:35:15,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 05:35:15,509 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 05:35:15,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 05:35:15,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 05:35:15,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 05:35:15,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:35:15" (1/1) ... [2021-06-14 05:35:15,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:35:15" (1/1) ... [2021-06-14 05:35:15,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 05:35:15,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 05:35:15,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 05:35:15,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 05:35:15,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:35:15" (1/1) ... [2021-06-14 05:35:15,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:35:15" (1/1) ... [2021-06-14 05:35:15,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:35:15" (1/1) ... [2021-06-14 05:35:15,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:35:15" (1/1) ... [2021-06-14 05:35:15,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:35:15" (1/1) ... [2021-06-14 05:35:15,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:35:15" (1/1) ... [2021-06-14 05:35:15,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:35:15" (1/1) ... [2021-06-14 05:35:15,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 05:35:15,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 05:35:15,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 05:35:15,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 05:35:15,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:35:15" (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 [2021-06-14 05:35:15,622 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 05:35:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 05:35:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 05:35:15,623 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 05:35:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 05:35:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 05:35:15,623 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 05:35:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 05:35:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 05:35:15,624 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-14 05:35:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-14 05:35:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-14 05:35:15,624 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-14 05:35:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-14 05:35:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-14 05:35:15,625 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 05:35:15,785 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 05:35:15,785 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-14 05:35:15,787 INFO L202 PluginConnector]: Adding new model buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 05:35:15 BoogieIcfgContainer [2021-06-14 05:35:15,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 05:35:15,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 05:35:15,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 05:35:15,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 05:35:15,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:35:15" (1/2) ... [2021-06-14 05:35:15,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5736b211 and model type buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 05:35:15, skipping insertion in model container [2021-06-14 05:35:15,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 05:35:15" (2/2) ... [2021-06-14 05:35:15,792 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-mult.wvr.bpl [2021-06-14 05:35:15,796 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 05:35:15,796 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 05:35:15,796 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 05:35:15,796 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 05:35:15,829 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-14 05:35:15,843 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 [2021-06-14 05:35:15,898 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 05:35:15,898 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 05:35:15,898 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 05:35:15,898 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 05:35:15,898 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 05:35:15,898 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 05:35:15,898 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 05:35:15,899 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 05:35:16,016 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:16,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:16,020 INFO L82 PathProgramCache]: Analyzing trace with hash 956552211, now seen corresponding path program 1 times [2021-06-14 05:35:16,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:16,025 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618888503] [2021-06-14 05:35:16,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:16,142 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-14 05:35:16,143 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:16,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618888503] [2021-06-14 05:35:16,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618888503] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 05:35:16,143 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 05:35:16,144 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 05:35:16,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892118755] [2021-06-14 05:35:16,147 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 05:35:16,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:16,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 05:35:16,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 05:35:16,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:16,157 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:16,158 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-06-14 05:35:16,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:16,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:16,207 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 05:35:16,207 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:16,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:16,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1999331985, now seen corresponding path program 2 times [2021-06-14 05:35:16,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:16,211 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281249202] [2021-06-14 05:35:16,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:16,305 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-14 05:35:16,305 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:16,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281249202] [2021-06-14 05:35:16,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281249202] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:16,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619077832] [2021-06-14 05:35:16,306 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 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 [2021-06-14 05:35:16,392 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 05:35:16,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:16,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-14 05:35:16,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:16,558 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 05:35:16,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619077832] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 05:35:16,559 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-14 05:35:16,559 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-06-14 05:35:16,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952499057] [2021-06-14 05:35:16,560 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 05:35:16,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:16,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 05:35:16,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-14 05:35:16,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:16,561 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:16,561 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 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) [2021-06-14 05:35:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:16,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:16,843 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:16,843 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:16,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:16,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1579478575, now seen corresponding path program 3 times [2021-06-14 05:35:16,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:16,844 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371878305] [2021-06-14 05:35:16,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-06-14 05:35:16,895 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:16,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371878305] [2021-06-14 05:35:16,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371878305] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 05:35:16,896 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 05:35:16,896 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 05:35:16,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413654338] [2021-06-14 05:35:16,897 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 05:35:16,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:16,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 05:35:16,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 05:35:16,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:16,899 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:16,899 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 05:35:16,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:16,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:16,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:16,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:16,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:16,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:16,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-14 05:35:16,953 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:16,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:16,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1380499466, now seen corresponding path program 4 times [2021-06-14 05:35:16,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:16,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397388589] [2021-06-14 05:35:16,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 05:35:17,077 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:17,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397388589] [2021-06-14 05:35:17,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397388589] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:17,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720979497] [2021-06-14 05:35:17,078 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 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 [2021-06-14 05:35:17,127 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 05:35:17,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:17,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-14 05:35:17,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:17,242 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-06-14 05:35:17,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720979497] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:17,243 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:17,243 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 15 [2021-06-14 05:35:17,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085940501] [2021-06-14 05:35:17,243 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-14 05:35:17,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:17,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-14 05:35:17,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2021-06-14 05:35:17,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:17,244 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:17,244 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 4.5) internal successors, (72), 15 states have internal predecessors, (72), 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) [2021-06-14 05:35:17,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:17,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:17,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:17,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:17,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:17,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:17,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:17,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:17,537 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:17,537 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:17,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:17,538 INFO L82 PathProgramCache]: Analyzing trace with hash -998616074, now seen corresponding path program 5 times [2021-06-14 05:35:17,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:17,538 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379161253] [2021-06-14 05:35:17,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:17,750 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 18 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-14 05:35:17,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:17,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379161253] [2021-06-14 05:35:17,751 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379161253] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:17,751 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748542541] [2021-06-14 05:35:17,751 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 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 [2021-06-14 05:35:17,789 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-14 05:35:17,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:17,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-14 05:35:17,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:17,905 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-06-14 05:35:17,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748542541] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 05:35:17,905 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-14 05:35:17,905 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 18 [2021-06-14 05:35:17,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079740646] [2021-06-14 05:35:17,906 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-14 05:35:17,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:17,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-14 05:35:17,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-06-14 05:35:17,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:17,909 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:17,909 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2021-06-14 05:35:17,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:17,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:17,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:17,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:17,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:17,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:17,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:18,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:18,161 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:18,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:18,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1527010648, now seen corresponding path program 6 times [2021-06-14 05:35:18,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:18,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101531479] [2021-06-14 05:35:18,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:18,203 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-14 05:35:18,203 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:18,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101531479] [2021-06-14 05:35:18,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101531479] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:18,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277101810] [2021-06-14 05:35:18,204 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 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 [2021-06-14 05:35:18,290 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-14 05:35:18,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:18,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-14 05:35:18,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:18,351 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-14 05:35:18,351 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277101810] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:18,351 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:18,351 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-14 05:35:18,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616393798] [2021-06-14 05:35:18,351 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 05:35:18,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:18,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 05:35:18,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-06-14 05:35:18,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:18,354 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:18,354 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 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) [2021-06-14 05:35:18,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:18,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:18,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:18,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:18,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:18,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:18,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:18,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:18,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:18,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:18,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-14 05:35:18,658 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:18,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:18,658 INFO L82 PathProgramCache]: Analyzing trace with hash -618351394, now seen corresponding path program 7 times [2021-06-14 05:35:18,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:18,658 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999256432] [2021-06-14 05:35:18,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:18,713 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-14 05:35:18,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:18,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999256432] [2021-06-14 05:35:18,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999256432] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:18,716 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656126377] [2021-06-14 05:35:18,716 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 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 [2021-06-14 05:35:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:18,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-14 05:35:18,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:18,865 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-14 05:35:18,865 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656126377] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:18,865 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:18,865 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-14 05:35:18,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892210049] [2021-06-14 05:35:18,865 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-14 05:35:18,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:18,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-14 05:35:18,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-06-14 05:35:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:18,866 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:18,866 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 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) [2021-06-14 05:35:18,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:18,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:18,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:18,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:18,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:18,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:18,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:18,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:18,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:18,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:18,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:18,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:18,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:19,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:19,219 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:19,220 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:19,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:19,220 INFO L82 PathProgramCache]: Analyzing trace with hash -616924930, now seen corresponding path program 8 times [2021-06-14 05:35:19,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:19,220 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384838066] [2021-06-14 05:35:19,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:19,588 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:35:19,588 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:19,588 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384838066] [2021-06-14 05:35:19,588 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384838066] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:19,588 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275493564] [2021-06-14 05:35:19,589 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 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 [2021-06-14 05:35:19,641 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 05:35:19,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:19,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-14 05:35:19,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:19,864 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-06-14 05:35:19,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 22 [2021-06-14 05:35:19,867 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 05:35:19,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:35:19,874 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:35:19,874 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:69, output treesize:28 [2021-06-14 05:35:20,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:20,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:20,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:20,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:20,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:20,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:20,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 25 [2021-06-14 05:35:20,051 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 05:35:20,056 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:35:20,058 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:35:20,058 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:71, output treesize:7 [2021-06-14 05:35:20,096 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:35:20,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275493564] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:20,097 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:20,097 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 20 [2021-06-14 05:35:20,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551838662] [2021-06-14 05:35:20,097 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 05:35:20,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:20,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 05:35:20,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-06-14 05:35:20,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:20,098 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:20,098 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 20 states have internal predecessors, (65), 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) [2021-06-14 05:35:20,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:20,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:20,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:20,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:20,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:20,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:20,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:20,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:20,968 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:20,969 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:20,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:20,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1815975488, now seen corresponding path program 9 times [2021-06-14 05:35:20,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:20,969 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326909069] [2021-06-14 05:35:20,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:21,019 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-14 05:35:21,019 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:21,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326909069] [2021-06-14 05:35:21,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326909069] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:21,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167441210] [2021-06-14 05:35:21,019 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 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 [2021-06-14 05:35:21,077 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-14 05:35:21,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:21,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-14 05:35:21,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:21,158 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-14 05:35:21,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167441210] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:21,158 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:21,158 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 10 [2021-06-14 05:35:21,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986650020] [2021-06-14 05:35:21,160 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-14 05:35:21,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:21,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-14 05:35:21,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-06-14 05:35:21,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:21,162 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:21,162 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 10 states have internal predecessors, (63), 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) [2021-06-14 05:35:21,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:21,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:21,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:21,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:21,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:21,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:21,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:21,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:21,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:21,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:21,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:21,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:21,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:21,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:21,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:21,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:21,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:21,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:21,498 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-06-14 05:35:21,499 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:21,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:21,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1374933152, now seen corresponding path program 10 times [2021-06-14 05:35:21,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:21,500 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130087800] [2021-06-14 05:35:21,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:21,549 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 15 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-14 05:35:21,549 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:21,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130087800] [2021-06-14 05:35:21,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130087800] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:21,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227639170] [2021-06-14 05:35:21,550 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 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 [2021-06-14 05:35:21,593 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 05:35:21,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:21,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-14 05:35:21,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:21,750 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 15 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-14 05:35:21,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227639170] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:21,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:21,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-06-14 05:35:21,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719686852] [2021-06-14 05:35:21,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-14 05:35:21,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:21,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-14 05:35:21,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2021-06-14 05:35:21,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:21,751 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:21,751 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 4.888888888888889) internal successors, (88), 17 states have internal predecessors, (88), 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) [2021-06-14 05:35:21,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:21,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:21,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:21,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:21,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:21,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:21,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:21,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:21,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:21,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:22,205 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:22,207 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:22,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:22,207 INFO L82 PathProgramCache]: Analyzing trace with hash 2066571785, now seen corresponding path program 11 times [2021-06-14 05:35:22,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:22,207 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656945824] [2021-06-14 05:35:22,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:35:22,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:22,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656945824] [2021-06-14 05:35:22,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656945824] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:22,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52751805] [2021-06-14 05:35:22,634 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:22,687 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-14 05:35:22,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:22,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 66 conjunts are in the unsatisfiable core [2021-06-14 05:35:22,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:22,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:22,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:22,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:22,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:22,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:22,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:22,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:22,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,058 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:35:23,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 50 treesize of output 132 [2021-06-14 05:35:23,080 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 05:35:23,088 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:35:23,092 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:35:23,092 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:36 [2021-06-14 05:35:23,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:23,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:23,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:23,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:23,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 30 [2021-06-14 05:35:23,471 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 05:35:23,475 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:35:23,477 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:35:23,477 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:88, output treesize:7 [2021-06-14 05:35:23,505 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 22 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:35:23,506 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52751805] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:23,506 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:23,506 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 34 [2021-06-14 05:35:23,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254592625] [2021-06-14 05:35:23,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-14 05:35:23,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:23,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-14 05:35:23,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1080, Unknown=0, NotChecked=0, Total=1190 [2021-06-14 05:35:23,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:23,507 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:23,507 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.0285714285714285) internal successors, (106), 34 states have internal predecessors, (106), 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) [2021-06-14 05:35:23,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:23,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:23,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:23,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:23,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:23,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:23,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:23,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:23,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:23,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:23,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:24,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:24,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:24,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:24,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:24,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:24,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:24,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:24,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:24,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:24,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:25,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:25,092 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:25,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:25,092 INFO L82 PathProgramCache]: Analyzing trace with hash -266949881, now seen corresponding path program 12 times [2021-06-14 05:35:25,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:25,093 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930683179] [2021-06-14 05:35:25,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 32 proven. 22 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-06-14 05:35:25,175 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:25,176 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930683179] [2021-06-14 05:35:25,176 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930683179] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:25,176 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789278592] [2021-06-14 05:35:25,176 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:25,217 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-14 05:35:25,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:25,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-14 05:35:25,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:25,279 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 32 proven. 22 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-06-14 05:35:25,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789278592] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:25,279 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:25,279 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 12 [2021-06-14 05:35:25,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754499788] [2021-06-14 05:35:25,279 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-14 05:35:25,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:25,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-14 05:35:25,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-06-14 05:35:25,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:25,280 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:25,280 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 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) [2021-06-14 05:35:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:25,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:25,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:25,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:25,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:25,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:25,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-06-14 05:35:25,617 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:25,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:25,617 INFO L82 PathProgramCache]: Analyzing trace with hash -866321945, now seen corresponding path program 13 times [2021-06-14 05:35:25,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:25,617 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603175498] [2021-06-14 05:35:25,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:25,686 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 26 proven. 47 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-14 05:35:25,686 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:25,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603175498] [2021-06-14 05:35:25,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603175498] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:25,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257612930] [2021-06-14 05:35:25,687 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:25,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-14 05:35:25,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:26,059 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 26 proven. 47 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-14 05:35:26,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257612930] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:26,060 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:26,060 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2021-06-14 05:35:26,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804212271] [2021-06-14 05:35:26,061 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-14 05:35:26,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:26,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-14 05:35:26,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=351, Unknown=0, NotChecked=0, Total=462 [2021-06-14 05:35:26,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:26,061 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:26,062 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 4.7272727272727275) internal successors, (104), 21 states have internal predecessors, (104), 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) [2021-06-14 05:35:26,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:26,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:26,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:26,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:26,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:26,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:26,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:26,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:26,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:26,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:26,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:26,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:26,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:26,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:26,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:26,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:26,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:26,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:26,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:26,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:26,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:26,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:26,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:26,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:26,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:26,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:26,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-06-14 05:35:26,613 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:26,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:26,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1975653086, now seen corresponding path program 14 times [2021-06-14 05:35:26,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:26,613 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665641776] [2021-06-14 05:35:26,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:27,280 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:35:27,281 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:27,281 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665641776] [2021-06-14 05:35:27,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665641776] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:27,281 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970369828] [2021-06-14 05:35:27,281 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:27,358 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 05:35:27,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:27,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-14 05:35:27,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:27,755 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-06-14 05:35:27,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 86 treesize of output 32 [2021-06-14 05:35:27,756 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 05:35:27,762 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:35:27,763 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:35:27,763 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:103, output treesize:28 [2021-06-14 05:35:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:28,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:28,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:28,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:28,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:28,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 35 [2021-06-14 05:35:28,470 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 05:35:28,475 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:35:28,476 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:35:28,476 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:123, output treesize:7 [2021-06-14 05:35:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:35:28,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970369828] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:28,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:28,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 34 [2021-06-14 05:35:28,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917970457] [2021-06-14 05:35:28,529 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-14 05:35:28,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:28,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-14 05:35:28,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=1094, Unknown=0, NotChecked=0, Total=1190 [2021-06-14 05:35:28,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:28,530 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:28,530 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.8285714285714287) internal successors, (99), 34 states have internal predecessors, (99), 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) [2021-06-14 05:35:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:28,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:29,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:29,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:29,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:29,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:29,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:29,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-06-14 05:35:29,761 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:29,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:29,761 INFO L82 PathProgramCache]: Analyzing trace with hash -986488220, now seen corresponding path program 15 times [2021-06-14 05:35:29,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:29,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465920156] [2021-06-14 05:35:29,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 45 proven. 35 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-06-14 05:35:29,920 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:29,920 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465920156] [2021-06-14 05:35:29,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465920156] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:29,920 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118565669] [2021-06-14 05:35:29,921 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:30,017 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-14 05:35:30,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:30,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-14 05:35:30,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 45 proven. 35 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-06-14 05:35:30,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118565669] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:30,155 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:30,156 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 14 [2021-06-14 05:35:30,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765126058] [2021-06-14 05:35:30,156 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-14 05:35:30,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:30,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-14 05:35:30,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2021-06-14 05:35:30,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:30,157 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:30,157 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 14 states have internal predecessors, (77), 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) [2021-06-14 05:35:30,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:30,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:30,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:30,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:30,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:30,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:30,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:30,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:30,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:30,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:30,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:30,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:30,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:30,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:30,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:30,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:30,549 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:30,549 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:30,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:30,549 INFO L82 PathProgramCache]: Analyzing trace with hash 2022480196, now seen corresponding path program 16 times [2021-06-14 05:35:30,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:30,549 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867679537] [2021-06-14 05:35:30,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 40 proven. 71 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-14 05:35:30,679 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:30,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867679537] [2021-06-14 05:35:30,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867679537] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:30,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153617624] [2021-06-14 05:35:30,679 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:30,720 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 05:35:30,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:30,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-14 05:35:30,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:31,012 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 40 proven. 71 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-14 05:35:31,012 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153617624] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:31,013 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:31,013 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2021-06-14 05:35:31,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662853695] [2021-06-14 05:35:31,013 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-14 05:35:31,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:31,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-14 05:35:31,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2021-06-14 05:35:31,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:31,015 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:31,016 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.615384615384615) internal successors, (120), 25 states have internal predecessors, (120), 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) [2021-06-14 05:35:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:31,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:31,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:31,833 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:31,833 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:31,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:31,833 INFO L82 PathProgramCache]: Analyzing trace with hash 346841061, now seen corresponding path program 17 times [2021-06-14 05:35:31,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:31,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530032371] [2021-06-14 05:35:31,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:35:32,742 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:32,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530032371] [2021-06-14 05:35:32,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530032371] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:32,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478853597] [2021-06-14 05:35:32,743 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:32,793 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-14 05:35:32,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:32,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 98 conjunts are in the unsatisfiable core [2021-06-14 05:35:32,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:33,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:33,530 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:35:33,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 45 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 74 treesize of output 268 [2021-06-14 05:35:33,605 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 05:35:33,611 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:35:33,615 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:35:33,615 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:94, output treesize:34 [2021-06-14 05:35:34,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:34,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:34,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:34,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:34,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:34,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:34,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 40 [2021-06-14 05:35:34,411 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 05:35:34,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:35:34,416 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:35:34,416 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:126, output treesize:7 [2021-06-14 05:35:34,449 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 51 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:35:34,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478853597] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:34,450 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:34,450 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 27] total 50 [2021-06-14 05:35:34,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287273339] [2021-06-14 05:35:34,450 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-06-14 05:35:34,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:34,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-06-14 05:35:34,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=2376, Unknown=0, NotChecked=0, Total=2550 [2021-06-14 05:35:34,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:34,451 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:34,451 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 2.8627450980392157) internal successors, (146), 50 states have internal predecessors, (146), 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) [2021-06-14 05:35:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:36,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:36,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:36,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:36,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:36,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:36,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:36,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:36,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:37,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:37,197 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:37,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:37,197 INFO L82 PathProgramCache]: Analyzing trace with hash 141956195, now seen corresponding path program 18 times [2021-06-14 05:35:37,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:37,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512385271] [2021-06-14 05:35:37,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:37,289 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 60 proven. 51 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-06-14 05:35:37,289 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:37,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512385271] [2021-06-14 05:35:37,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512385271] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:37,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527976354] [2021-06-14 05:35:37,289 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:37,335 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-06-14 05:35:37,335 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:37,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-14 05:35:37,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:37,420 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 60 proven. 51 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-06-14 05:35:37,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527976354] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:37,421 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:37,421 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 16 [2021-06-14 05:35:37,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536914390] [2021-06-14 05:35:37,421 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-14 05:35:37,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:37,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-14 05:35:37,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=164, Unknown=0, NotChecked=0, Total=272 [2021-06-14 05:35:37,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:37,421 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:37,422 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 16 states have internal predecessors, (84), 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) [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:37,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:37,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:37,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:37,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:37,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:37,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:37,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:37,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:37,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:37,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:37,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:37,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:37,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:37,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:37,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:37,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:37,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:37,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:37,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-06-14 05:35:37,793 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:37,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:37,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1503644861, now seen corresponding path program 19 times [2021-06-14 05:35:37,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:37,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667572187] [2021-06-14 05:35:37,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:37,870 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 57 proven. 100 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-06-14 05:35:37,870 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:37,870 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667572187] [2021-06-14 05:35:37,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667572187] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:37,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019560560] [2021-06-14 05:35:37,871 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:37,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-14 05:35:37,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:38,156 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 57 proven. 100 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-06-14 05:35:38,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019560560] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:38,156 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:38,156 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2021-06-14 05:35:38,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112983532] [2021-06-14 05:35:38,157 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-14 05:35:38,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:38,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-14 05:35:38,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2021-06-14 05:35:38,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:38,158 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:38,158 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 4.533333333333333) internal successors, (136), 29 states have internal predecessors, (136), 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) [2021-06-14 05:35:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:35:38,927 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-06-14 05:35:38,928 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:38,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:38,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1532243270, now seen corresponding path program 20 times [2021-06-14 05:35:38,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:38,928 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073515260] [2021-06-14 05:35:38,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:39,738 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:35:39,739 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:39,739 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073515260] [2021-06-14 05:35:39,739 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073515260] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:39,739 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938742684] [2021-06-14 05:35:39,739 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:39,780 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 05:35:39,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:39,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 115 conjunts are in the unsatisfiable core [2021-06-14 05:35:39,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:40,348 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-14 05:35:40,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 120 treesize of output 42 [2021-06-14 05:35:40,355 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 05:35:40,361 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:35:40,362 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:35:40,362 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:137, output treesize:28 [2021-06-14 05:35:41,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:41,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:41,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:41,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:41,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:41,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:41,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:41,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 21 disjoint index pairs (out of 78 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 45 [2021-06-14 05:35:41,268 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 05:35:41,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:35:41,277 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:35:41,277 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:165, output treesize:7 [2021-06-14 05:35:41,322 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:35:41,322 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938742684] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:41,322 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:41,322 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 48 [2021-06-14 05:35:41,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760363110] [2021-06-14 05:35:41,323 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-14 05:35:41,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:41,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-14 05:35:41,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=2216, Unknown=0, NotChecked=0, Total=2352 [2021-06-14 05:35:41,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:41,324 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:41,324 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 2.7142857142857144) internal successors, (133), 48 states have internal predecessors, (133), 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) [2021-06-14 05:35:41,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:41,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:41,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:41,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:41,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:41,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:41,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:41,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:41,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:41,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:41,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:41,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:41,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:41,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:41,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:41,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:41,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:41,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:41,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:35:41,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:43,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:35:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:35:43,602 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-06-14 05:35:43,602 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:43,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:43,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1829419256, now seen corresponding path program 21 times [2021-06-14 05:35:43,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:43,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437010526] [2021-06-14 05:35:43,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:43,736 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 77 proven. 70 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-06-14 05:35:43,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:43,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437010526] [2021-06-14 05:35:43,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437010526] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:43,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431565952] [2021-06-14 05:35:43,736 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:43,795 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-06-14 05:35:43,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:43,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-14 05:35:43,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:43,905 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 77 proven. 70 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-06-14 05:35:43,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431565952] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:43,905 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:43,905 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 18 [2021-06-14 05:35:43,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788329150] [2021-06-14 05:35:43,906 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-14 05:35:43,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:43,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-14 05:35:43,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2021-06-14 05:35:43,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:43,907 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:43,907 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.7894736842105265) internal successors, (91), 18 states have internal predecessors, (91), 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) [2021-06-14 05:35:43,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:43,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:43,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:43,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:43,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:43,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:43,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:43,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:43,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:43,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:43,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:43,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:43,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:43,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:43,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:43,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:43,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:43,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:43,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:35:43,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:35:43,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:35:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:35:44,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:35:44,358 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable70 [2021-06-14 05:35:44,358 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:44,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:44,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1768836584, now seen corresponding path program 22 times [2021-06-14 05:35:44,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:44,359 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400234124] [2021-06-14 05:35:44,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:44,536 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 77 proven. 134 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-06-14 05:35:44,536 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:44,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400234124] [2021-06-14 05:35:44,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400234124] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:44,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663993033] [2021-06-14 05:35:44,536 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:44,623 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 05:35:44,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:44,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-14 05:35:44,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:44,921 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 77 proven. 134 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-06-14 05:35:44,921 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663993033] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:44,921 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:44,921 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 33 [2021-06-14 05:35:44,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559387613] [2021-06-14 05:35:44,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-14 05:35:44,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:44,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-14 05:35:44,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=873, Unknown=0, NotChecked=0, Total=1122 [2021-06-14 05:35:44,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:44,922 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:44,922 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 4.470588235294118) internal successors, (152), 33 states have internal predecessors, (152), 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) [2021-06-14 05:35:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:35:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:45,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:35:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:35:45,804 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:45,804 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:45,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:45,804 INFO L82 PathProgramCache]: Analyzing trace with hash -929697343, now seen corresponding path program 23 times [2021-06-14 05:35:45,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:45,805 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152004434] [2021-06-14 05:35:45,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:46,842 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:35:46,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:46,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152004434] [2021-06-14 05:35:46,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152004434] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:46,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301314902] [2021-06-14 05:35:46,843 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:46,895 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-14 05:35:46,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:46,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 130 conjunts are in the unsatisfiable core [2021-06-14 05:35:46,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:47,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:47,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:48,167 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-06-14 05:35:48,168 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:35:48,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 84 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 36 case distinctions, treesize of input 98 treesize of output 452 [2021-06-14 05:35:48,253 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 05:35:48,260 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:35:48,263 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:35:48,263 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:118, output treesize:34 [2021-06-14 05:35:49,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:49,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:49,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:49,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:49,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:49,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:49,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:35:49,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:35:49,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 28 disjoint index pairs (out of 105 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 50 [2021-06-14 05:35:49,677 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 05:35:49,681 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:35:49,682 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:35:49,682 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:180, output treesize:7 [2021-06-14 05:35:49,718 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 92 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:35:49,718 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301314902] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:49,718 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:49,719 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 35] total 66 [2021-06-14 05:35:49,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541148908] [2021-06-14 05:35:49,719 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-06-14 05:35:49,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:49,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-06-14 05:35:49,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=246, Invalid=4176, Unknown=0, NotChecked=0, Total=4422 [2021-06-14 05:35:49,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:49,720 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:49,720 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 2.7761194029850746) internal successors, (186), 66 states have internal predecessors, (186), 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) [2021-06-14 05:35:49,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:49,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:49,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:49,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:49,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:49,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:49,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:49,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:35:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:35:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:35:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:35:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:35:54,133 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:54,133 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:54,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:54,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1658712511, now seen corresponding path program 24 times [2021-06-14 05:35:54,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:54,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852934737] [2021-06-14 05:35:54,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 96 proven. 92 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-06-14 05:35:54,270 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:54,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852934737] [2021-06-14 05:35:54,270 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852934737] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:54,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367104836] [2021-06-14 05:35:54,270 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:54,327 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-06-14 05:35:54,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:54,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-14 05:35:54,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:54,426 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 96 proven. 92 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-06-14 05:35:54,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367104836] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:54,426 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:54,426 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 10] total 20 [2021-06-14 05:35:54,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749720696] [2021-06-14 05:35:54,427 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 05:35:54,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:54,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 05:35:54,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2021-06-14 05:35:54,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:54,427 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:54,427 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 4.666666666666667) internal successors, (98), 20 states have internal predecessors, (98), 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) [2021-06-14 05:35:54,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:54,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:35:54,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:54,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:54,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:54,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:35:54,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:35:54,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:35:54,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:35:54,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:35:54,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:35:54,908 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:54,909 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:54,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:54,909 INFO L82 PathProgramCache]: Analyzing trace with hash -630988641, now seen corresponding path program 25 times [2021-06-14 05:35:54,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:54,909 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038584805] [2021-06-14 05:35:54,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:55,066 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 100 proven. 173 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-06-14 05:35:55,066 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:55,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038584805] [2021-06-14 05:35:55,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038584805] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:55,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523645932] [2021-06-14 05:35:55,067 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:55,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-14 05:35:55,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:55,537 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 100 proven. 173 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-06-14 05:35:55,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523645932] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:55,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:35:55,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 37 [2021-06-14 05:35:55,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622318572] [2021-06-14 05:35:55,538 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-14 05:35:55,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:35:55,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-14 05:35:55,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=1099, Unknown=0, NotChecked=0, Total=1406 [2021-06-14 05:35:55,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:55,539 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:35:55,539 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 4.421052631578948) internal successors, (168), 37 states have internal predecessors, (168), 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) [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:55,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:35:55,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:35:55,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:35:55,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:35:55,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:35:55,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:35:55,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:35:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:35:56,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:35:56,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:35:56,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:35:56,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:35:56,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:35:56,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:35:56,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:35:56,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:56,468 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:35:56,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:35:56,469 INFO L82 PathProgramCache]: Analyzing trace with hash 76708202, now seen corresponding path program 26 times [2021-06-14 05:35:56,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:35:56,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308154015] [2021-06-14 05:35:56,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:35:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:35:57,807 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:35:57,807 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:35:57,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308154015] [2021-06-14 05:35:57,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308154015] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:35:57,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910530177] [2021-06-14 05:35:57,808 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:35:57,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 05:35:57,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:35:57,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 147 conjunts are in the unsatisfiable core [2021-06-14 05:35:57,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:35:58,644 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-06-14 05:35:58,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 154 treesize of output 52 [2021-06-14 05:35:58,645 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 05:35:58,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:35:58,651 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:35:58,651 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:171, output treesize:28 [2021-06-14 05:36:00,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:00,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:00,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:00,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:00,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:00,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:00,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:00,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:00,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:00,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 36 disjoint index pairs (out of 136 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 55 [2021-06-14 05:36:00,162 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 05:36:00,166 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:36:00,167 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:36:00,167 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:197, output treesize:7 [2021-06-14 05:36:00,207 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:36:00,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910530177] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:00,207 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:36:00,207 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38] total 62 [2021-06-14 05:36:00,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372823774] [2021-06-14 05:36:00,207 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-06-14 05:36:00,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:36:00,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-06-14 05:36:00,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=3730, Unknown=0, NotChecked=0, Total=3906 [2021-06-14 05:36:00,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:00,208 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:36:00,209 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 2.6507936507936507) internal successors, (167), 62 states have internal predecessors, (167), 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) [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:00,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:03,575 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable133 [2021-06-14 05:36:03,576 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:36:03,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:36:03,576 INFO L82 PathProgramCache]: Analyzing trace with hash 468015020, now seen corresponding path program 27 times [2021-06-14 05:36:03,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:36:03,576 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631824385] [2021-06-14 05:36:03,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:36:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:36:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 117 proven. 117 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-06-14 05:36:03,723 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:36:03,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631824385] [2021-06-14 05:36:03,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631824385] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:03,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109478218] [2021-06-14 05:36:03,723 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:36:03,781 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-06-14 05:36:03,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:36:03,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-14 05:36:03,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:36:03,903 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 117 proven. 117 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-06-14 05:36:03,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109478218] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:03,903 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:36:03,903 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 11] total 22 [2021-06-14 05:36:03,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986960224] [2021-06-14 05:36:03,903 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-14 05:36:03,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:36:03,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-14 05:36:03,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2021-06-14 05:36:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:03,904 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:36:03,904 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.565217391304348) internal successors, (105), 22 states have internal predecessors, (105), 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) [2021-06-14 05:36:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:03,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:04,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:04,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:04,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:04,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:04,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:04,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 05:36:04,514 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable134 [2021-06-14 05:36:04,514 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:36:04,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:36:04,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1753862516, now seen corresponding path program 28 times [2021-06-14 05:36:04,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:36:04,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262556141] [2021-06-14 05:36:04,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:36:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:36:04,656 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 126 proven. 217 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-06-14 05:36:04,657 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:36:04,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262556141] [2021-06-14 05:36:04,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262556141] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:04,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154683094] [2021-06-14 05:36:04,657 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:36:04,738 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 05:36:04,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:36:04,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-14 05:36:04,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:36:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 126 proven. 217 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-06-14 05:36:05,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154683094] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:05,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:36:05,169 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 41 [2021-06-14 05:36:05,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095483215] [2021-06-14 05:36:05,169 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-06-14 05:36:05,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:36:05,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-06-14 05:36:05,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=371, Invalid=1351, Unknown=0, NotChecked=0, Total=1722 [2021-06-14 05:36:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:05,171 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:36:05,171 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 4.380952380952381) internal successors, (184), 41 states have internal predecessors, (184), 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) [2021-06-14 05:36:05,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:05,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:05,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:05,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:05,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:05,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:05,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:05,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:05,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:05,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 05:36:05,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:06,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 05:36:06,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 05:36:06,327 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable135 [2021-06-14 05:36:06,327 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:36:06,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:36:06,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1672161379, now seen corresponding path program 29 times [2021-06-14 05:36:06,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:36:06,328 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010431938] [2021-06-14 05:36:06,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:36:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:36:07,968 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 490 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:36:07,968 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:36:07,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010431938] [2021-06-14 05:36:07,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010431938] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:07,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089250840] [2021-06-14 05:36:07,968 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:36:08,030 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-06-14 05:36:08,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:36:08,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 162 conjunts are in the unsatisfiable core [2021-06-14 05:36:08,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:36:09,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:09,745 INFO L244 Elim1Store]: Index analysis took 117 ms [2021-06-14 05:36:10,006 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2021-06-14 05:36:10,007 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:36:10,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 135 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 55 case distinctions, treesize of input 122 treesize of output 684 [2021-06-14 05:36:10,099 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 05:36:10,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:36:10,108 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:36:10,109 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:144, output treesize:36 [2021-06-14 05:36:12,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:12,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:12,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:12,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:12,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:12,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:12,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:12,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:12,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:12,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:12,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 45 disjoint index pairs (out of 171 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 60 [2021-06-14 05:36:12,516 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 05:36:12,520 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:36:12,521 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:36:12,521 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:222, output treesize:7 [2021-06-14 05:36:12,565 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 145 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:36:12,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089250840] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:12,566 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:36:12,566 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 43] total 82 [2021-06-14 05:36:12,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782907622] [2021-06-14 05:36:12,566 INFO L462 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-06-14 05:36:12,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:36:12,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-06-14 05:36:12,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=326, Invalid=6480, Unknown=0, NotChecked=0, Total=6806 [2021-06-14 05:36:12,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:12,568 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:36:12,568 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 2.7228915662650603) internal successors, (226), 82 states have internal predecessors, (226), 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) [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:12,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:12,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:12,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:12,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:12,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:12,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:12,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:12,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:12,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:12,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 05:36:12,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 05:36:12,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:19,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 05:36:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 05:36:19,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-14 05:36:19,611 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable136 [2021-06-14 05:36:19,611 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:36:19,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:36:19,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1427045605, now seen corresponding path program 30 times [2021-06-14 05:36:19,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:36:19,612 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554771862] [2021-06-14 05:36:19,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:36:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:36:19,793 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 140 proven. 145 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-06-14 05:36:19,793 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:36:19,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554771862] [2021-06-14 05:36:19,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554771862] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:19,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955152753] [2021-06-14 05:36:19,794 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:36:19,851 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-06-14 05:36:19,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:36:19,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-14 05:36:19,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:36:19,985 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 140 proven. 145 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-06-14 05:36:19,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955152753] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:19,985 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:36:19,985 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12] total 24 [2021-06-14 05:36:19,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518972503] [2021-06-14 05:36:19,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-14 05:36:19,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:36:19,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-14 05:36:19,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=366, Unknown=0, NotChecked=0, Total=600 [2021-06-14 05:36:19,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:19,986 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:36:19,986 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 4.48) internal successors, (112), 24 states have internal predecessors, (112), 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) [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:19,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:19,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:19,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:19,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:19,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:19,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:19,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 05:36:19,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 05:36:19,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-14 05:36:19,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:20,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:20,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:20,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:20,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:20,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:20,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:20,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:20,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:20,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-14 05:36:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:20,698 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable211 [2021-06-14 05:36:20,698 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:36:20,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:36:20,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1745535483, now seen corresponding path program 31 times [2021-06-14 05:36:20,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:36:20,699 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791302929] [2021-06-14 05:36:20,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:36:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:36:20,895 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 155 proven. 266 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-06-14 05:36:20,895 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:36:20,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791302929] [2021-06-14 05:36:20,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791302929] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:20,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103734187] [2021-06-14 05:36:20,895 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:36:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:36:20,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-14 05:36:20,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:36:21,420 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 155 proven. 266 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-06-14 05:36:21,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103734187] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:21,421 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:36:21,421 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 45 [2021-06-14 05:36:21,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041504529] [2021-06-14 05:36:21,421 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-14 05:36:21,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:36:21,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-14 05:36:21,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=441, Invalid=1629, Unknown=0, NotChecked=0, Total=2070 [2021-06-14 05:36:21,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:21,422 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:36:21,422 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 4.3478260869565215) internal successors, (200), 45 states have internal predecessors, (200), 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) [2021-06-14 05:36:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:21,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:22,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 05:36:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-14 05:36:22,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:22,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-14 05:36:22,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:36:22,773 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:36:22,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:36:22,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1643245170, now seen corresponding path program 32 times [2021-06-14 05:36:22,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:36:22,773 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819541254] [2021-06-14 05:36:22,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:36:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:36:24,597 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:36:24,597 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:36:24,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819541254] [2021-06-14 05:36:24,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819541254] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:24,598 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648822703] [2021-06-14 05:36:24,598 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:36:24,706 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 05:36:24,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:36:24,709 WARN L261 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 179 conjunts are in the unsatisfiable core [2021-06-14 05:36:24,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:36:25,991 INFO L354 Elim1Store]: treesize reduction 640, result has 0.2 percent of original size [2021-06-14 05:36:25,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 188 treesize of output 62 [2021-06-14 05:36:25,993 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 05:36:25,998 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:36:25,999 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:36:25,999 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:205, output treesize:28 [2021-06-14 05:36:28,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:28,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:28,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:28,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:28,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:28,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:28,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:28,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:28,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:28,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:28,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:36:28,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 55 disjoint index pairs (out of 210 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 65 [2021-06-14 05:36:28,442 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 05:36:28,447 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:36:28,448 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:36:28,448 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:249, output treesize:7 [2021-06-14 05:36:28,495 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:36:28,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648822703] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:28,495 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:36:28,496 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46] total 76 [2021-06-14 05:36:28,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293072592] [2021-06-14 05:36:28,496 INFO L462 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-06-14 05:36:28,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:36:28,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-06-14 05:36:28,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=5636, Unknown=0, NotChecked=0, Total=5852 [2021-06-14 05:36:28,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:28,497 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:36:28,497 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 77 states, 77 states have (on average 2.6103896103896105) internal successors, (201), 76 states have internal predecessors, (201), 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) [2021-06-14 05:36:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-14 05:36:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 05:36:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 05:36:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-14 05:36:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-14 05:36:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-14 05:36:31,395 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable213 [2021-06-14 05:36:31,395 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:36:31,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:36:31,396 INFO L82 PathProgramCache]: Analyzing trace with hash -488582064, now seen corresponding path program 33 times [2021-06-14 05:36:31,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:36:31,396 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098613826] [2021-06-14 05:36:31,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:36:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:36:31,602 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 165 proven. 176 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-06-14 05:36:31,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:36:31,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098613826] [2021-06-14 05:36:31,603 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098613826] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:31,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432775902] [2021-06-14 05:36:31,603 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:36:31,668 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-06-14 05:36:31,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:36:31,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-14 05:36:31,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:36:31,794 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 165 proven. 176 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-06-14 05:36:31,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432775902] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:31,794 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:36:31,794 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 13] total 26 [2021-06-14 05:36:31,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895827371] [2021-06-14 05:36:31,795 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-14 05:36:31,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:36:31,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-14 05:36:31,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=429, Unknown=0, NotChecked=0, Total=702 [2021-06-14 05:36:31,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:31,795 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:36:31,795 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 4.407407407407407) internal successors, (119), 26 states have internal predecessors, (119), 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) [2021-06-14 05:36:31,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:31,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-14 05:36:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:32,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:32,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:32,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:32,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:32,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:32,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-14 05:36:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-14 05:36:32,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 05:36:32,552 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable214 [2021-06-14 05:36:32,552 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:36:32,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:36:32,552 INFO L82 PathProgramCache]: Analyzing trace with hash -645825744, now seen corresponding path program 34 times [2021-06-14 05:36:32,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:36:32,553 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739303874] [2021-06-14 05:36:32,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:36:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:36:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 187 proven. 320 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-06-14 05:36:32,766 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:36:32,766 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739303874] [2021-06-14 05:36:32,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739303874] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:32,766 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628042579] [2021-06-14 05:36:32,766 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:36:32,860 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 05:36:32,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:36:32,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-14 05:36:32,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:36:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 187 proven. 320 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-06-14 05:36:33,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628042579] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:33,411 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:36:33,412 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 49 [2021-06-14 05:36:33,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048912043] [2021-06-14 05:36:33,412 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-14 05:36:33,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:36:33,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-14 05:36:33,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=517, Invalid=1933, Unknown=0, NotChecked=0, Total=2450 [2021-06-14 05:36:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:33,413 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:36:33,413 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 4.32) internal successors, (216), 49 states have internal predecessors, (216), 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) [2021-06-14 05:36:33,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:33,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:33,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:33,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:33,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:33,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:33,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:33,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:33,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:33,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:33,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:33,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:33,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 05:36:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:36:34,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 05:36:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 05:36:34,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-14 05:36:34,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 05:36:34,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 05:36:34,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-14 05:36:34,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 05:36:34,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-14 05:36:34,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-14 05:36:34,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 05:36:34,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-14 05:36:35,004 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:36:35,005 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:36:35,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:36:35,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1319906951, now seen corresponding path program 35 times [2021-06-14 05:36:35,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:36:35,005 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227308349] [2021-06-14 05:36:35,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:36:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:36:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 708 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:36:37,137 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:36:37,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227308349] [2021-06-14 05:36:37,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227308349] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:36:37,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069107116] [2021-06-14 05:36:37,137 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:36:37,215 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-06-14 05:36:37,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:36:37,221 WARN L261 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 194 conjunts are in the unsatisfiable core [2021-06-14 05:36:37,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:36:39,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:36:39,760 INFO L244 Elim1Store]: Index analysis took 162 ms [2021-06-14 05:36:40,221 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2021-06-14 05:36:40,222 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:36:40,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 198 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 78 case distinctions, treesize of input 146 treesize of output 964 [2021-06-14 05:36:40,626 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 186 [2021-06-14 05:36:40,809 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 197 [2021-06-14 05:36:41,370 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 353 [2021-06-14 05:36:41,886 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 370 [2021-06-14 05:36:44,034 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1710 DAG size of output: 621 [2021-06-14 05:36:45,920 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1716 DAG size of output: 627 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown