/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 04:19:49,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 04:19:49,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 04:19:49,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 04:19:49,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 04:19:49,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 04:19:49,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 04:19:49,737 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.epf [2021-07-14 04:19:49,751 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 04:19:49,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 04:19:49,751 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 04:19:49,751 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 04:19:49,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 04:19:49,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 04:19:49,752 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 04:19:49,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 04:19:49,753 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 04:19:49,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 04:19:49,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 04:19:49,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 04:19:49,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 04:19:49,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 04:19:49,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 04:19:49,753 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 04:19:49,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 04:19:49,754 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 04:19:49,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 04:19:49,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 04:19:49,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 04:19:49,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 04:19:49,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 04:19:49,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 04:19:49,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 04:19:49,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 04:19:49,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 04:19:49,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 04:19:49,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 04:19:49,755 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 04:19:49,755 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 04:19:49,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 04:19:49,755 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 04:19:49,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 04:19:49,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 04:19:50,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 04:19:50,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 04:19:50,005 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 04:19:50,006 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 04:19:50,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl [2021-07-14 04:19:50,007 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl' [2021-07-14 04:19:50,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 04:19:50,026 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 04:19:50,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 04:19:50,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 04:19:50,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 04:19:50,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:50" (1/1) ... [2021-07-14 04:19:50,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:50" (1/1) ... [2021-07-14 04:19:50,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 04:19:50,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 04:19:50,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 04:19:50,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 04:19:50,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:50" (1/1) ... [2021-07-14 04:19:50,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:50" (1/1) ... [2021-07-14 04:19:50,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:50" (1/1) ... [2021-07-14 04:19:50,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:50" (1/1) ... [2021-07-14 04:19:50,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:50" (1/1) ... [2021-07-14 04:19:50,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:50" (1/1) ... [2021-07-14 04:19:50,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:50" (1/1) ... [2021-07-14 04:19:50,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 04:19:50,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 04:19:50,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 04:19:50,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 04:19:50,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 04:19:50,136 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 04:19:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 04:19:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 04:19:50,137 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 04:19:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 04:19:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 04:19:50,137 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 04:19:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 04:19:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 04:19:50,137 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 04:19:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 04:19:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 04:19:50,138 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 04:19:50,288 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 04:19:50,288 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 04:19:50,289 INFO L202 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:19:50 BoogieIcfgContainer [2021-07-14 04:19:50,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 04:19:50,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 04:19:50,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 04:19:50,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 04:19:50,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:50" (1/2) ... [2021-07-14 04:19:50,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dea8b6d and model type array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:19:50, skipping insertion in model container [2021-07-14 04:19:50,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:19:50" (2/2) ... [2021-07-14 04:19:50,294 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum.wvr.bpl [2021-07-14 04:19:50,298 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 04:19:50,298 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 04:19:50,298 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 04:19:50,298 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 04:19:50,352 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 04:19:50,367 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 04:19:50,401 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 04:19:50,401 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 04:19:50,401 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 04:19:50,401 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 04:19:50,401 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 04:19:50,401 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 04:19:50,401 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 04:19:50,401 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 04:19:50,470 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:50,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:50,474 INFO L82 PathProgramCache]: Analyzing trace with hash 199411532, now seen corresponding path program 1 times [2021-07-14 04:19:50,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:50,480 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816083080] [2021-07-14 04:19:50,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:50,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:50,576 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:50,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816083080] [2021-07-14 04:19:50,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816083080] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 04:19:50,577 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 04:19:50,577 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 04:19:50,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315195326] [2021-07-14 04:19:50,581 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 04:19:50,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:50,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 04:19:50,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 04:19:50,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:50,591 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:50,592 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:19:50,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:50,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:50,609 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 04:19:50,609 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:50,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:50,610 INFO L82 PathProgramCache]: Analyzing trace with hash -289780901, now seen corresponding path program 1 times [2021-07-14 04:19:50,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:50,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868823968] [2021-07-14 04:19:50,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:50,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 04:19:50,674 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:50,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868823968] [2021-07-14 04:19:50,674 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868823968] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 04:19:50,674 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 04:19:50,674 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 04:19:50,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874541860] [2021-07-14 04:19:50,675 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 04:19:50,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:50,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 04:19:50,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 04:19:50,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:50,676 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:50,676 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:19:50,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:50,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:50,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:50,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:19:50,730 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 04:19:50,730 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:50,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:50,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1299437098, now seen corresponding path program 1 times [2021-07-14 04:19:50,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:50,731 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25258314] [2021-07-14 04:19:50,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:51,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:51,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:51,197 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25258314] [2021-07-14 04:19:51,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25258314] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:51,197 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748434010] [2021-07-14 04:19:51,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:19:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:51,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 04:19:51,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:19:51,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-14 04:19:51,488 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:19:51,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:19:51,493 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-14 04:19:51,497 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:19:51,497 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:7 [2021-07-14 04:19:51,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:51,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748434010] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:51,535 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:19:51,535 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 13 [2021-07-14 04:19:51,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014129134] [2021-07-14 04:19:51,535 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 04:19:51,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:51,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 04:19:51,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-07-14 04:19:51,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:51,536 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:51,536 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 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) [2021-07-14 04:19:51,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:51,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:19:51,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:51,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:51,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:19:51,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:19:51,947 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:19:51,947 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:51,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:51,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1125503737, now seen corresponding path program 2 times [2021-07-14 04:19:51,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:51,948 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446701174] [2021-07-14 04:19:51,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:52,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:52,000 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:52,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446701174] [2021-07-14 04:19:52,001 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446701174] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:52,001 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659532365] [2021-07-14 04:19:52,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:19:52,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:19:52,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:19:52,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 04:19:52,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:19:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:52,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659532365] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:52,138 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:19:52,138 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 04:19:52,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942642674] [2021-07-14 04:19:52,139 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 04:19:52,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:52,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 04:19:52,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-14 04:19:52,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:52,139 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:52,140 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:19:52,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:52,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:19:52,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:19:52,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:52,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:52,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:19:52,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:19:52,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:19:52,550 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:19:52,550 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:52,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:52,550 INFO L82 PathProgramCache]: Analyzing trace with hash -943727175, now seen corresponding path program 1 times [2021-07-14 04:19:52,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:52,551 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476800938] [2021-07-14 04:19:52,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 04:19:52,621 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:52,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476800938] [2021-07-14 04:19:52,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476800938] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:52,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437877663] [2021-07-14 04:19:52,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:19:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:52,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 04:19:52,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:19:52,741 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 04:19:52,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437877663] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:52,742 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:19:52,742 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 04:19:52,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498872980] [2021-07-14 04:19:52,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 04:19:52,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:52,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 04:19:52,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-14 04:19:52,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:52,745 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:52,745 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:19:52,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:52,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:19:52,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:19:52,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:19:52,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:52,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:52,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:19:52,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:19:52,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:19:52,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:19:53,093 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:19:53,093 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:53,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:53,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1778112970, now seen corresponding path program 2 times [2021-07-14 04:19:53,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:53,094 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189942933] [2021-07-14 04:19:53,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:53,600 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:53,600 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:53,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189942933] [2021-07-14 04:19:53,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189942933] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:53,601 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192286713] [2021-07-14 04:19:53,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:19:53,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:19:53,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:19:53,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 04:19:53,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:19:54,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:19:54,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:19:54,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:19:54,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-14 04:19:54,274 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:19:54,279 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:19:54,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:19:54,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2021-07-14 04:19:54,283 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 04:19:54,287 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:19:54,289 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:19:54,289 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:52, output treesize:3 [2021-07-14 04:19:54,311 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:54,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192286713] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:54,311 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:19:54,311 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-07-14 04:19:54,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597262033] [2021-07-14 04:19:54,311 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 04:19:54,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:54,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 04:19:54,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2021-07-14 04:19:54,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:54,312 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:54,313 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.066666666666667) internal successors, (62), 30 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) [2021-07-14 04:19:54,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:54,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:19:54,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:19:54,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:19:54,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:19:54,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:55,184 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2021-07-14 04:19:55,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:55,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:19:55,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:19:55,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:19:55,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:19:55,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:19:55,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 04:19:55,789 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:55,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:55,789 INFO L82 PathProgramCache]: Analyzing trace with hash -864675815, now seen corresponding path program 3 times [2021-07-14 04:19:55,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:55,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056062224] [2021-07-14 04:19:55,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:55,873 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:55,873 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:55,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056062224] [2021-07-14 04:19:55,873 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056062224] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:55,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403238828] [2021-07-14 04:19:55,874 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:19:55,903 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 04:19:55,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:19:55,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 04:19:55,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:19:56,065 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:56,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403238828] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:56,065 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:19:56,065 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-14 04:19:56,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697520160] [2021-07-14 04:19:56,066 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 04:19:56,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:56,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 04:19:56,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-14 04:19:56,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:56,066 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:56,067 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.25) 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) [2021-07-14 04:19:56,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:56,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:19:56,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:19:56,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:19:56,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:19:56,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:19:56,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:19:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:19:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:19:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:19:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:19:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:19:56,799 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:19:56,800 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:56,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:56,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1944046297, now seen corresponding path program 4 times [2021-07-14 04:19:56,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:56,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143246251] [2021-07-14 04:19:56,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:56,888 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 04:19:56,889 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:56,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143246251] [2021-07-14 04:19:56,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143246251] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:56,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947726301] [2021-07-14 04:19:56,891 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:19:56,918 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 04:19:56,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:19:56,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 04:19:56,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:19:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 04:19:57,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947726301] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:57,049 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:19:57,049 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-14 04:19:57,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112611178] [2021-07-14 04:19:57,050 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 04:19:57,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:57,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 04:19:57,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-14 04:19:57,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:57,051 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:57,051 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 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) [2021-07-14 04:19:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:19:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:19:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:19:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:19:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:19:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:19:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:57,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:57,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:19:57,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:19:57,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:19:57,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:19:57,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:19:57,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:19:57,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:19:57,441 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:19:57,441 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:57,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:57,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1723151722, now seen corresponding path program 5 times [2021-07-14 04:19:57,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:57,442 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131023556] [2021-07-14 04:19:57,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:58,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:58,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131023556] [2021-07-14 04:19:58,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131023556] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:58,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938536099] [2021-07-14 04:19:58,331 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:19:58,369 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 04:19:58,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:19:58,370 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-07-14 04:19:58,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:19:59,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:19:59,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:19:59,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2021-07-14 04:19:59,390 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:19:59,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:19:59,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:19:59,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2021-07-14 04:19:59,397 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 04:19:59,400 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:19:59,401 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:19:59,401 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:73, output treesize:3 [2021-07-14 04:19:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:59,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938536099] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:59,429 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:19:59,429 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-07-14 04:19:59,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139017] [2021-07-14 04:19:59,430 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 04:19:59,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:59,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 04:19:59,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1918, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 04:19:59,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:59,431 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:59,431 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.891304347826087) internal successors, (87), 46 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:19:59,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:59,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:19:59,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:19:59,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:19:59,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:19:59,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:19:59,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:19:59,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:19:59,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:20:01,701 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 36 [2021-07-14 04:20:03,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:20:03,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:20:03,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:20:03,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:20:03,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:20:03,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:20:03,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:20:03,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:20:03,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:20:03,257 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-07-14 04:20:03,257 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:20:03,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:20:03,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1885014132, now seen corresponding path program 6 times [2021-07-14 04:20:03,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:20:03,258 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952907009] [2021-07-14 04:20:03,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:20:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:20:04,412 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:20:04,412 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:20:04,412 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952907009] [2021-07-14 04:20:04,412 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952907009] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:20:04,412 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212858535] [2021-07-14 04:20:04,412 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:20:04,447 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 04:20:04,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:20:04,448 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 04:20:04,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:20:06,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:06,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:20:06,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:06,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:20:06,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 57 [2021-07-14 04:20:06,326 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:20:06,333 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:20:06,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:06,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:20:06,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:20:06,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 3 [2021-07-14 04:20:06,337 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 04:20:06,343 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:20:06,344 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:20:06,344 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:16 [2021-07-14 04:20:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:20:06,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212858535] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:20:06,511 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:20:06,511 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 33] total 61 [2021-07-14 04:20:06,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752013439] [2021-07-14 04:20:06,511 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-07-14 04:20:06,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:20:06,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-07-14 04:20:06,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=3368, Unknown=0, NotChecked=0, Total=3660 [2021-07-14 04:20:06,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:20:06,513 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:20:06,513 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 1.639344262295082) internal successors, (100), 61 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:20:06,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:20:06,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:20:06,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:20:06,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:20:06,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:20:06,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:20:06,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:20:06,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:20:06,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:20:06,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:20:09,331 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2021-07-14 04:20:09,709 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2021-07-14 04:20:10,118 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2021-07-14 04:20:10,377 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2021-07-14 04:20:10,805 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2021-07-14 04:20:11,115 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2021-07-14 04:20:11,632 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-07-14 04:20:12,402 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2021-07-14 04:20:12,582 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2021-07-14 04:20:12,893 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2021-07-14 04:20:13,187 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2021-07-14 04:20:13,468 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2021-07-14 04:20:13,715 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2021-07-14 04:20:16,636 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2021-07-14 04:20:16,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:20:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:20:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:20:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:20:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:20:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:20:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:20:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:20:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:20:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:20:17,191 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:20:17,191 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:20:17,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:20:17,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1314376661, now seen corresponding path program 7 times [2021-07-14 04:20:17,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:20:17,192 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198879125] [2021-07-14 04:20:17,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:20:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:20:18,379 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:20:18,380 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:20:18,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198879125] [2021-07-14 04:20:18,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198879125] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:20:18,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002818571] [2021-07-14 04:20:18,380 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 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 [2021-07-14 04:20:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:20:18,424 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2021-07-14 04:20:18,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:20:20,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:20:20,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:20:20,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:20:20,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 104 [2021-07-14 04:20:20,389 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:20:20,398 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:20:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:20:20,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:20:20,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:20,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:20:20,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 7 [2021-07-14 04:20:20,410 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 04:20:20,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:20:20,425 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:20:20,425 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:170, output treesize:7 [2021-07-14 04:20:20,467 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:20:20,468 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002818571] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:20:20,468 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:20:20,468 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 51 [2021-07-14 04:20:20,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333559114] [2021-07-14 04:20:20,468 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-07-14 04:20:20,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:20:20,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-07-14 04:20:20,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2413, Unknown=0, NotChecked=0, Total=2550 [2021-07-14 04:20:20,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:20:20,469 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:20:20,470 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.7843137254901962) internal successors, (91), 51 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) [2021-07-14 04:20:20,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:20:20,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:20:20,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:20:20,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:20:20,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:20:20,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:20:20,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:20:20,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:20:20,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:20:20,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:20:20,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:20:20,996 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2021-07-14 04:20:21,510 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 121 [2021-07-14 04:20:22,058 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 122 [2021-07-14 04:20:22,610 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 124 [2021-07-14 04:20:23,161 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 122 [2021-07-14 04:20:23,671 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2021-07-14 04:20:24,189 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2021-07-14 04:20:24,722 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 119 [2021-07-14 04:20:25,226 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2021-07-14 04:20:25,775 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 119 [2021-07-14 04:20:26,331 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 129 [2021-07-14 04:20:26,903 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 129 [2021-07-14 04:20:27,441 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 126 [2021-07-14 04:20:28,153 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2021-07-14 04:20:28,520 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-07-14 04:20:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:20:28,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:20:28,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:20:28,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:20:28,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:20:28,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:20:28,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:20:28,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:20:28,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:20:28,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:20:28,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:20:29,153 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:20:29,153 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:20:29,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:20:29,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1135621498, now seen corresponding path program 8 times [2021-07-14 04:20:29,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:20:29,154 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984698008] [2021-07-14 04:20:29,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:20:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:20:29,294 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 51 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:20:29,294 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:20:29,294 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984698008] [2021-07-14 04:20:29,294 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984698008] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:20:29,294 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821468723] [2021-07-14 04:20:29,294 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 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 [2021-07-14 04:20:29,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:20:29,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:20:29,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 04:20:29,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:20:29,713 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 70 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:20:29,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821468723] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:20:29,713 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:20:29,713 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 35 [2021-07-14 04:20:29,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528914463] [2021-07-14 04:20:29,714 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 04:20:29,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:20:29,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 04:20:29,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=980, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 04:20:29,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:20:29,715 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:20:29,715 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.142857142857143) internal successors, (110), 35 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:20:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:20:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:20:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:20:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:20:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:20:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:20:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:20:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:20:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:20:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:20:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:20:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:20:31,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:20:31,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:20:31,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:20:31,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:20:31,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:20:31,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:20:31,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:20:31,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:20:31,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:20:31,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:20:31,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:20:31,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:20:31,374 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-14 04:20:31,375 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:20:31,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:20:31,375 INFO L82 PathProgramCache]: Analyzing trace with hash 431223724, now seen corresponding path program 9 times [2021-07-14 04:20:31,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:20:31,375 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479366215] [2021-07-14 04:20:31,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:20:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:20:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 75 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:20:31,521 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:20:31,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479366215] [2021-07-14 04:20:31,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479366215] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:20:31,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052666482] [2021-07-14 04:20:31,521 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 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 [2021-07-14 04:20:31,569 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 04:20:31,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:20:31,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 04:20:31,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:20:32,013 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 75 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:20:32,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052666482] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:20:32,013 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:20:32,013 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-07-14 04:20:32,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433188462] [2021-07-14 04:20:32,013 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 04:20:32,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:20:32,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 04:20:32,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1261, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 04:20:32,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:20:32,014 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:20:32,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 3.125) internal successors, (125), 40 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:20:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:20:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:20:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:20:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:20:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:20:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:20:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:20:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:20:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:20:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:20:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:20:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:20:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:20:32,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:20:32,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:20:32,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:20:32,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:20:32,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:20:32,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:20:32,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:20:32,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:20:32,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:20:32,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:20:32,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:20:32,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:20:32,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:20:32,641 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-14 04:20:32,641 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:20:32,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:20:32,641 INFO L82 PathProgramCache]: Analyzing trace with hash -47090053, now seen corresponding path program 10 times [2021-07-14 04:20:32,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:20:32,641 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068443249] [2021-07-14 04:20:32,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:20:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:20:32,801 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 75 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:20:32,801 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:20:32,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068443249] [2021-07-14 04:20:32,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068443249] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:20:32,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138294101] [2021-07-14 04:20:32,801 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 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 [2021-07-14 04:20:32,834 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 04:20:32,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:20:32,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 04:20:32,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:20:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 75 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:20:33,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138294101] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:20:33,277 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:20:33,277 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 42 [2021-07-14 04:20:33,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295821943] [2021-07-14 04:20:33,277 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 04:20:33,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:20:33,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 04:20:33,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=1390, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 04:20:33,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:20:33,278 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:20:33,278 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 3.119047619047619) internal successors, (131), 42 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:20:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:20:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:20:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:20:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:20:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:20:33,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:20:33,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:20:33,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:20:33,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:20:33,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:20:33,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:20:33,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:20:33,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:20:33,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:20:33,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:20:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:20:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:20:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:20:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:20:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:20:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:20:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:20:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:20:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:20:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:20:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:20:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:20:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:20:33,907 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 04:20:33,907 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:20:33,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:20:33,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1208667468, now seen corresponding path program 11 times [2021-07-14 04:20:33,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:20:33,908 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540135274] [2021-07-14 04:20:33,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:20:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:20:36,137 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:20:36,138 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:20:36,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540135274] [2021-07-14 04:20:36,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540135274] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:20:36,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97834880] [2021-07-14 04:20:36,138 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 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 [2021-07-14 04:20:36,181 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-14 04:20:36,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:20:36,182 WARN L261 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 87 conjunts are in the unsatisfiable core [2021-07-14 04:20:36,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:20:41,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:20:41,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:20:41,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,645 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 10 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 91 [2021-07-14 04:20:41,646 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:20:41,654 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:20:41,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:20:41,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:20:41,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:20:41,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 3 [2021-07-14 04:20:41,660 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 04:20:41,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:20:41,666 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:20:41,667 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:146, output treesize:3 [2021-07-14 04:20:41,725 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:20:41,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97834880] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:20:41,725 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:20:41,725 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 86 [2021-07-14 04:20:41,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404843618] [2021-07-14 04:20:41,725 INFO L462 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-07-14 04:20:41,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:20:41,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-07-14 04:20:41,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=7101, Unknown=0, NotChecked=0, Total=7310 [2021-07-14 04:20:41,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:20:41,727 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:20:41,727 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 86 states, 86 states have (on average 1.686046511627907) internal successors, (145), 86 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:20:41,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:20:41,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:20:41,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:20:41,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:20:41,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:20:41,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:20:41,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:20:41,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:20:41,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:20:41,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:20:41,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:20:41,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:20:41,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:20:41,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:20:41,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:20:42,841 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 180 [2021-07-14 04:20:43,955 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 184 [2021-07-14 04:20:45,123 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 185 [2021-07-14 04:20:46,279 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 187 [2021-07-14 04:20:47,487 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 185 [2021-07-14 04:20:48,681 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 177 [2021-07-14 04:20:49,804 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2021-07-14 04:20:50,934 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2021-07-14 04:20:52,112 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 180 [2021-07-14 04:20:53,243 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2021-07-14 04:20:54,369 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 180 [2021-07-14 04:20:55,476 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2021-07-14 04:20:56,596 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 180 [2021-07-14 04:20:57,724 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2021-07-14 04:20:58,856 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 180 [2021-07-14 04:21:00,140 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2021-07-14 04:21:01,442 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-07-14 04:21:03,040 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-07-14 04:21:04,284 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 185 [2021-07-14 04:21:05,843 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 190 [2021-07-14 04:21:07,241 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2021-07-14 04:21:07,701 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-07-14 04:21:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:21:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:21:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:21:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:21:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:21:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:21:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:21:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:21:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:21:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:21:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:21:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:21:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:21:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:21:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:21:08,431 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:21:08,431 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:21:08,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:21:08,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1979139877, now seen corresponding path program 12 times [2021-07-14 04:21:08,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:21:08,432 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204279640] [2021-07-14 04:21:08,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:21:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:21:08,640 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 117 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:21:08,640 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:21:08,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204279640] [2021-07-14 04:21:08,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204279640] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:21:08,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074376946] [2021-07-14 04:21:08,640 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 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 [2021-07-14 04:21:08,694 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-07-14 04:21:08,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:21:08,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-14 04:21:08,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:21:09,298 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 145 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:21:09,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074376946] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:21:09,298 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:21:09,298 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 47 [2021-07-14 04:21:09,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557272361] [2021-07-14 04:21:09,298 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-14 04:21:09,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:21:09,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-14 04:21:09,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=1781, Unknown=0, NotChecked=0, Total=2162 [2021-07-14 04:21:09,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:21:09,300 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:21:09,300 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 3.106382978723404) internal successors, (146), 47 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) [2021-07-14 04:21:09,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:21:09,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:21:09,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:21:09,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:21:09,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:21:09,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:21:09,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:21:09,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:21:09,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:21:09,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:21:09,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:21:09,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:21:09,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:21:09,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:21:09,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:21:09,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:21:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:21:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:21:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:21:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:21:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:21:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:21:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:21:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:21:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:21:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:21:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:21:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:21:11,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:21:11,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:21:11,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:21:11,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:21:11,846 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 04:21:11,846 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:21:11,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:21:11,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1693274773, now seen corresponding path program 13 times [2021-07-14 04:21:11,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:21:11,847 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633935692] [2021-07-14 04:21:11,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:21:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:21:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 150 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:21:12,114 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:21:12,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633935692] [2021-07-14 04:21:12,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633935692] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:21:12,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445369848] [2021-07-14 04:21:12,114 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 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 [2021-07-14 04:21:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:21:12,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-14 04:21:12,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:21:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 176 proven. 176 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 04:21:12,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445369848] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:21:12,717 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:21:12,717 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26] total 52 [2021-07-14 04:21:12,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159586790] [2021-07-14 04:21:12,718 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-14 04:21:12,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:21:12,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-14 04:21:12,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=2295, Unknown=0, NotChecked=0, Total=2652 [2021-07-14 04:21:12,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:21:12,719 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:21:12,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 3.2115384615384617) internal successors, (167), 52 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) [2021-07-14 04:21:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:21:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:21:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:21:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:21:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:21:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:21:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:21:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:21:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:21:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:21:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:21:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:21:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:21:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:21:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:21:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:21:12,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:21:14,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:21:14,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:21:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:21:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:21:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:21:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:21:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:21:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:21:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:21:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:21:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:21:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:21:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:21:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:21:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:21:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:21:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:21:14,253 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 04:21:14,254 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:21:14,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:21:14,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1270397562, now seen corresponding path program 14 times [2021-07-14 04:21:14,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:21:14,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360280882] [2021-07-14 04:21:14,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:21:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:21:14,510 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 150 proven. 241 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:21:14,510 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:21:14,510 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360280882] [2021-07-14 04:21:14,510 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360280882] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:21:14,510 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365717241] [2021-07-14 04:21:14,510 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 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 [2021-07-14 04:21:14,549 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:21:14,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:21:14,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-14 04:21:14,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:21:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 150 proven. 241 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:21:15,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365717241] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:21:15,143 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:21:15,143 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 54 [2021-07-14 04:21:15,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273033681] [2021-07-14 04:21:15,144 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-07-14 04:21:15,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:21:15,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-07-14 04:21:15,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=545, Invalid=2317, Unknown=0, NotChecked=0, Total=2862 [2021-07-14 04:21:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:21:15,145 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:21:15,145 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 3.0925925925925926) internal successors, (167), 54 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) [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:21:15,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:21:15,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:21:15,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:21:15,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:21:15,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:21:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:21:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:21:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:21:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:21:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:21:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:21:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:21:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:21:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:21:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:21:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:21:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:21:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:21:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:21:15,895 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 04:21:15,895 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:21:15,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:21:15,895 INFO L82 PathProgramCache]: Analyzing trace with hash 390225675, now seen corresponding path program 15 times [2021-07-14 04:21:15,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:21:15,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881913177] [2021-07-14 04:21:15,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:21:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:21:19,462 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 428 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:21:19,462 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:21:19,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881913177] [2021-07-14 04:21:19,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881913177] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:21:19,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730029508] [2021-07-14 04:21:19,462 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 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 [2021-07-14 04:21:19,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-07-14 04:21:19,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:21:19,521 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 117 conjunts are in the unsatisfiable core [2021-07-14 04:21:19,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:21:39,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:21:39,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:39,616 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-07-14 04:21:39,931 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-07-14 04:21:39,931 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:21:39,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 174 disjoint index pairs (out of 231 index pairs), introduced 21 new quantified variables, introduced 36 case distinctions, treesize of input 304 treesize of output 568 [2021-07-14 04:21:41,004 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-14 04:21:41,061 INFO L628 ElimStorePlain]: treesize reduction 4, result has 97.9 percent of original size [2021-07-14 04:21:41,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:21:41,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:21:41,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:21:41,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:21:41,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:21:41,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:21:41,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:21:41,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:21:41,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:21:41,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:21:41,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 7 [2021-07-14 04:21:41,113 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 04:21:41,132 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:21:41,135 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:21:41,135 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:331, output treesize:24 [2021-07-14 04:21:41,677 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 428 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:21:41,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730029508] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:21:41,678 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:21:41,678 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 61] total 105 [2021-07-14 04:21:41,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344356038] [2021-07-14 04:21:41,678 INFO L462 AbstractCegarLoop]: Interpolant automaton has 105 states [2021-07-14 04:21:41,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:21:41,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2021-07-14 04:21:41,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=10667, Unknown=1, NotChecked=0, Total=10920 [2021-07-14 04:21:41,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:21:41,680 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:21:41,681 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 105 states, 105 states have (on average 1.5809523809523809) internal successors, (166), 105 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:21:41,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:21:43,908 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-14 04:21:46,202 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 247 [2021-07-14 04:21:48,536 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2021-07-14 04:21:50,972 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 250 DAG size of output: 250 [2021-07-14 04:21:53,686 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2021-07-14 04:21:56,204 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 240 DAG size of output: 240 [2021-07-14 04:21:58,566 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2021-07-14 04:22:00,985 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-14 04:22:03,408 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-14 04:22:06,086 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-14 04:22:08,535 WARN L205 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-14 04:22:11,085 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-14 04:22:14,772 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-14 04:22:17,773 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-14 04:22:20,668 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-14 04:22:23,516 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-14 04:22:26,358 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-14 04:22:29,292 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-14 04:22:32,132 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-14 04:22:35,276 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-14 04:22:38,257 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-14 04:22:41,679 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-14 04:22:47,341 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 294 DAG size of output: 284 [2021-07-14 04:22:51,216 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 81 [2021-07-14 04:22:53,968 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 294 DAG size of output: 284 [2021-07-14 04:22:56,314 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 83 [2021-07-14 04:22:59,468 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 291 DAG size of output: 281 [2021-07-14 04:23:01,551 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 85 [2021-07-14 04:23:04,376 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 293 DAG size of output: 283 [2021-07-14 04:23:07,477 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 298 DAG size of output: 288 [2021-07-14 04:23:08,886 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2021-07-14 04:23:09,670 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 87 [2021-07-14 04:23:12,466 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 293 DAG size of output: 288 [2021-07-14 04:23:15,583 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 298 DAG size of output: 293 [2021-07-14 04:23:17,591 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2021-07-14 04:23:21,139 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2021-07-14 04:23:24,728 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 287 DAG size of output: 287 [2021-07-14 04:23:28,181 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-07-14 04:23:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:23:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:23:29,635 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:23:29,635 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:23:29,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:23:29,635 INFO L82 PathProgramCache]: Analyzing trace with hash -35117862, now seen corresponding path program 16 times [2021-07-14 04:23:29,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:23:29,636 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517939109] [2021-07-14 04:23:29,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:23:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:23:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 210 proven. 258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:23:30,071 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:23:30,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517939109] [2021-07-14 04:23:30,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517939109] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:23:30,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879174541] [2021-07-14 04:23:30,071 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 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 [2021-07-14 04:23:30,111 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 04:23:30,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:23:30,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 04:23:30,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:23:31,129 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 247 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:23:31,129 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879174541] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:23:31,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:23:31,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 59 [2021-07-14 04:23:31,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951856740] [2021-07-14 04:23:31,130 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-07-14 04:23:31,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:23:31,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-07-14 04:23:31,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=2816, Unknown=0, NotChecked=0, Total=3422 [2021-07-14 04:23:31,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:23:31,131 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:23:31,131 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 3.0847457627118646) internal successors, (182), 59 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:23:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:23:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:23:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:23:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:23:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:23:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:23:31,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:23:31,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:23:31,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:23:31,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:23:31,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:23:31,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:23:31,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:23:31,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:23:31,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:23:31,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:23:31,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:23:31,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:23:31,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:23:31,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:23:35,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:23:35,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:23:35,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:23:35,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:23:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:23:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:23:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:23:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:23:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:23:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:23:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:23:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:23:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:23:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:23:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:23:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:23:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:23:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:23:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:23:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:23:35,773 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable117 [2021-07-14 04:23:35,773 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:23:35,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:23:35,773 INFO L82 PathProgramCache]: Analyzing trace with hash 428036172, now seen corresponding path program 17 times [2021-07-14 04:23:35,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:23:35,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18417441] [2021-07-14 04:23:35,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:23:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:23:36,228 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 252 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:23:36,229 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:23:36,229 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18417441] [2021-07-14 04:23:36,229 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18417441] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:23:36,229 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906913502] [2021-07-14 04:23:36,229 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 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 [2021-07-14 04:23:36,279 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-07-14 04:23:36,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:23:36,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-14 04:23:36,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:23:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 252 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:23:37,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906913502] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:23:37,331 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:23:37,331 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 64 [2021-07-14 04:23:37,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606719906] [2021-07-14 04:23:37,332 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-07-14 04:23:37,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:23:37,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-07-14 04:23:37,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=761, Invalid=3271, Unknown=0, NotChecked=0, Total=4032 [2021-07-14 04:23:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:23:37,333 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:23:37,333 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 3.078125) internal successors, (197), 64 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:23:37,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:23:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:23:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:23:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:23:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:23:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:23:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:23:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:23:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:23:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:23:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:23:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:23:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:23:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:23:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:23:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:23:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:23:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:23:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:23:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:23:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:23:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:23:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:23:38,513 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable118 [2021-07-14 04:23:38,514 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:23:38,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:23:38,514 INFO L82 PathProgramCache]: Analyzing trace with hash -526657637, now seen corresponding path program 18 times [2021-07-14 04:23:38,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:23:38,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525992506] [2021-07-14 04:23:38,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:23:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:23:39,027 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 252 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:23:39,027 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:23:39,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525992506] [2021-07-14 04:23:39,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525992506] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:23:39,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401234407] [2021-07-14 04:23:39,027 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 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 [2021-07-14 04:23:39,083 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-07-14 04:23:39,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:23:39,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 04:23:39,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:23:40,198 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 252 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:23:40,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401234407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:23:40,198 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:23:40,198 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 66 [2021-07-14 04:23:40,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617484856] [2021-07-14 04:23:40,199 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-14 04:23:40,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:23:40,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-14 04:23:40,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=812, Invalid=3478, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 04:23:40,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:23:40,200 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:23:40,200 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 3.0757575757575757) internal successors, (203), 66 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:23:40,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:23:40,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:23:40,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:23:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:23:41,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:23:41,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:23:41,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:23:41,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:23:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:23:41,405 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:23:41,405 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:23:41,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:23:41,405 INFO L82 PathProgramCache]: Analyzing trace with hash -536487444, now seen corresponding path program 19 times [2021-07-14 04:23:41,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:23:41,406 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760611201] [2021-07-14 04:23:41,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:23:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:23:48,986 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:23:48,987 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:23:48,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760611201] [2021-07-14 04:23:48,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760611201] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:23:48,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960570253] [2021-07-14 04:23:48,987 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 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 [2021-07-14 04:23:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:23:49,039 WARN L261 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 136 conjunts are in the unsatisfiable core [2021-07-14 04:23:49,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:24:05,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:24:05,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:24:05,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:24:05,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 120 disjoint index pairs (out of 171 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 318 treesize of output 212 [2021-07-14 04:24:05,769 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:24:05,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:24:05,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:24:05,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:24:05,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:24:05,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:24:05,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 7 [2021-07-14 04:24:05,793 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 04:24:05,802 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:24:05,803 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:24:05,803 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:332, output treesize:7 [2021-07-14 04:24:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:24:05,915 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960570253] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:24:05,915 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:24:05,916 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 68] total 105 [2021-07-14 04:24:05,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953628974] [2021-07-14 04:24:05,916 INFO L462 AbstractCegarLoop]: Interpolant automaton has 105 states [2021-07-14 04:24:05,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:24:05,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2021-07-14 04:24:05,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=10639, Unknown=0, NotChecked=0, Total=10920 [2021-07-14 04:24:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:24:05,918 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:24:05,918 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 105 states, 105 states have (on average 1.638095238095238) internal successors, (172), 105 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:24:05,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:24:05,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:24:05,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:24:05,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:24:05,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:24:05,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:24:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:24:09,093 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 04:24:12,229 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 310 DAG size of output: 310 [2021-07-14 04:24:15,415 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 311 DAG size of output: 311 [2021-07-14 04:24:18,665 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 313 DAG size of output: 313 [2021-07-14 04:24:21,988 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 311 DAG size of output: 311 [2021-07-14 04:24:25,194 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 303 DAG size of output: 303 [2021-07-14 04:24:28,390 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 301 DAG size of output: 301 [2021-07-14 04:24:31,616 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 04:24:34,870 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 04:24:38,129 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 04:24:41,204 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 04:24:44,425 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 04:24:47,737 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 04:24:51,063 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 04:24:54,301 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 04:24:57,505 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 04:25:00,697 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 04:25:04,189 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 04:25:07,762 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 04:25:11,135 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 04:25:14,645 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 04:25:18,216 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 04:25:21,503 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 04:25:24,867 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 04:25:28,273 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 04:25:31,766 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 04:25:35,132 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 04:25:38,590 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 04:25:42,061 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 318 DAG size of output: 318 [2021-07-14 04:25:45,558 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 319 DAG size of output: 319 [2021-07-14 04:25:48,849 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 315 DAG size of output: 315 [2021-07-14 04:25:49,918 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2021-07-14 04:25:52,824 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 328 DAG size of output: 323 [2021-07-14 04:25:54,864 WARN L205 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2021-07-14 04:25:56,273 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-07-14 04:25:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:25:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:25:57,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:25:57,534 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:25:57,534 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:25:57,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:25:57,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1318491653, now seen corresponding path program 20 times [2021-07-14 04:25:57,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:25:57,535 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367107267] [2021-07-14 04:25:57,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:25:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:25:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 330 proven. 387 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:25:58,097 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:25:58,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367107267] [2021-07-14 04:25:58,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367107267] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:25:58,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528198907] [2021-07-14 04:25:58,097 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 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 [2021-07-14 04:25:58,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:25:58,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:25:58,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 04:25:58,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:25:59,491 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 376 proven. 341 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:25:59,491 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528198907] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:25:59,491 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:25:59,491 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38] total 71 [2021-07-14 04:25:59,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140024992] [2021-07-14 04:25:59,492 INFO L462 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-07-14 04:25:59,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:25:59,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-07-14 04:25:59,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=885, Invalid=4085, Unknown=0, NotChecked=0, Total=4970 [2021-07-14 04:25:59,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:25:59,493 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:25:59,493 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 3.0704225352112675) internal successors, (218), 71 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:25:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:25:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:25:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:25:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:25:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:25:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:25:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:25:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:25:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:25:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:25:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:25:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:25:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:25:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:25:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:25:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:25:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:25:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:25:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:25:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:25:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:25:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:25:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:25:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:26:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:26:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:26:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:26:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:26:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:26:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-07-14 04:26:05,934 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:26:05,934 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:26:05,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:26:05,934 INFO L82 PathProgramCache]: Analyzing trace with hash 269959243, now seen corresponding path program 21 times [2021-07-14 04:26:05,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:26:05,934 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471285487] [2021-07-14 04:26:05,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:26:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:26:06,563 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 381 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:26:06,564 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:26:06,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471285487] [2021-07-14 04:26:06,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471285487] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:26:06,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320683876] [2021-07-14 04:26:06,564 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 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 [2021-07-14 04:26:06,626 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2021-07-14 04:26:06,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:26:06,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 04:26:06,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:26:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 381 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:26:08,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320683876] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:26:08,014 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:26:08,014 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40] total 76 [2021-07-14 04:26:08,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434026488] [2021-07-14 04:26:08,014 INFO L462 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-07-14 04:26:08,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:26:08,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-07-14 04:26:08,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1073, Invalid=4627, Unknown=0, NotChecked=0, Total=5700 [2021-07-14 04:26:08,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:26:08,015 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:26:08,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 76 states, 76 states have (on average 3.0657894736842106) internal successors, (233), 76 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-07-14 04:26:08,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:26:09,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:26:09,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:26:09,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:26:09,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:26:09,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:26:09,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-07-14 04:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:26:09,562 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:26:09,562 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:26:09,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:26:09,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1840238118, now seen corresponding path program 22 times [2021-07-14 04:26:09,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:26:09,563 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125546941] [2021-07-14 04:26:09,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:26:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:26:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 907 backedges. 381 proven. 526 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:26:10,192 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:26:10,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125546941] [2021-07-14 04:26:10,192 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125546941] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:26:10,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899021440] [2021-07-14 04:26:10,192 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 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 [2021-07-14 04:26:10,236 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 04:26:10,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:26:10,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 04:26:10,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:26:11,640 INFO L134 CoverageAnalysis]: Checked inductivity of 907 backedges. 381 proven. 526 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:26:11,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899021440] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:26:11,640 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:26:11,640 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 78 [2021-07-14 04:26:11,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279574421] [2021-07-14 04:26:11,641 INFO L462 AbstractCegarLoop]: Interpolant automaton has 78 states [2021-07-14 04:26:11,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:26:11,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2021-07-14 04:26:11,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1133, Invalid=4873, Unknown=0, NotChecked=0, Total=6006 [2021-07-14 04:26:11,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:26:11,642 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:26:11,642 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 78 states, 78 states have (on average 3.0641025641025643) internal successors, (239), 78 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:26:11,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:26:11,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:26:11,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:26:11,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:26:11,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:26:11,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:26:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:26:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:26:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:26:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:26:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:26:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:26:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:26:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:26:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:26:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:26:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:26:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:26:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:26:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:26:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:26:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:26:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:26:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:26:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:26:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:26:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:26:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:26:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:26:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:26:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-07-14 04:26:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:26:12,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 04:26:13,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2021-07-14 04:26:13,188 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:26:13,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:26:13,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1293508117, now seen corresponding path program 23 times [2021-07-14 04:26:13,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:26:13,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229270143] [2021-07-14 04:26:13,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:26:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:26:17,275 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2021-07-14 04:26:24,524 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 962 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:26:24,524 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:26:24,524 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229270143] [2021-07-14 04:26:24,524 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229270143] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:26:24,525 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464055547] [2021-07-14 04:26:24,525 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 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 [2021-07-14 04:26:24,596 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2021-07-14 04:26:24,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:26:24,600 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 159 conjunts are in the unsatisfiable core [2021-07-14 04:26:24,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:27:02,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:27:02,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:27:02,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 171 disjoint index pairs (out of 210 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 243 treesize of output 163 [2021-07-14 04:27:02,950 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 04:27:02,959 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:27:02,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:27:02,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:27:02,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:27:02,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 3 [2021-07-14 04:27:02,964 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 04:27:02,970 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:27:02,971 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 04:27:02,971 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:254, output treesize:3 [2021-07-14 04:27:03,101 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 962 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:27:03,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464055547] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:27:03,102 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:27:03,102 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81] total 158 [2021-07-14 04:27:03,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117615339] [2021-07-14 04:27:03,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 158 states [2021-07-14 04:27:03,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:27:03,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2021-07-14 04:27:03,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=24417, Unknown=0, NotChecked=0, Total=24806 [2021-07-14 04:27:03,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:27:03,104 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:27:03,104 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 158 states, 158 states have (on average 1.6012658227848102) internal successors, (253), 158 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:27:03,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:27:03,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:27:03,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:27:03,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:27:03,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:27:03,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:27:03,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 04:27:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:27:08,275 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 380 DAG size of output: 325 [2021-07-14 04:27:13,879 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 382 DAG size of output: 329 [2021-07-14 04:27:17,001 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 27 [2021-07-14 04:27:20,395 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 29 [2021-07-14 04:27:23,854 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 43 [2021-07-14 04:27:27,196 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 32 [2021-07-14 04:27:30,582 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 54 [2021-07-14 04:27:34,081 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 62 [2021-07-14 04:27:37,656 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 81 [2021-07-14 04:27:41,168 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 83 [2021-07-14 04:27:44,780 WARN L205 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 102 [2021-07-14 04:27:48,456 WARN L205 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 104 [2021-07-14 04:27:52,236 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 399 DAG size of output: 123 [2021-07-14 04:27:56,068 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 399 DAG size of output: 125 [2021-07-14 04:27:59,981 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 399 DAG size of output: 144 [2021-07-14 04:28:03,870 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 399 DAG size of output: 146 [2021-07-14 04:28:07,883 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 399 DAG size of output: 165 [2021-07-14 04:28:11,829 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 399 DAG size of output: 167 [2021-07-14 04:28:15,956 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 399 DAG size of output: 186 [2021-07-14 04:28:20,211 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 399 DAG size of output: 188 [2021-07-14 04:28:24,575 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 399 DAG size of output: 207 [2021-07-14 04:28:29,004 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 399 DAG size of output: 209 [2021-07-14 04:28:33,415 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 399 DAG size of output: 228 [2021-07-14 04:28:37,906 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 399 DAG size of output: 230 [2021-07-14 04:28:42,520 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 399 DAG size of output: 249 [2021-07-14 04:28:47,090 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 399 DAG size of output: 251 [2021-07-14 04:28:51,928 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 399 DAG size of output: 270 [2021-07-14 04:28:56,673 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 399 DAG size of output: 272 [2021-07-14 04:29:01,850 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 399 DAG size of output: 291 [2021-07-14 04:29:07,177 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 399 DAG size of output: 293 [2021-07-14 04:29:12,691 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 399 DAG size of output: 312 [2021-07-14 04:29:18,038 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 399 DAG size of output: 314 [2021-07-14 04:29:23,784 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 399 DAG size of output: 333 [2021-07-14 04:29:25,197 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 134 [2021-07-14 04:29:30,198 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 399 DAG size of output: 335 [2021-07-14 04:29:31,787 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 144 [2021-07-14 04:29:38,879 WARN L205 SmtUtils]: Spent 5.14 s on a formula simplification. DAG size of input: 402 DAG size of output: 362 [2021-07-14 04:29:40,026 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 77 [2021-07-14 04:29:40,911 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 139 [2021-07-14 04:29:41,852 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 90 [2021-07-14 04:29:49,320 WARN L205 SmtUtils]: Spent 5.52 s on a formula simplification. DAG size of input: 402 DAG size of output: 359 [2021-07-14 04:29:50,830 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 149 [2021-07-14 04:29:55,420 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 385 DAG size of output: 379 [2021-07-14 04:29:57,123 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-07-14 04:29:57,827 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2021-07-14 04:30:02,399 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 385 DAG size of output: 380 [2021-07-14 04:30:03,822 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2021-07-14 04:30:04,652 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2021-07-14 04:30:09,633 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 392 DAG size of output: 392 [2021-07-14 04:30:12,054 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2021-07-14 04:30:13,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:30:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 04:30:13,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-07-14 04:30:14,018 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable124 [2021-07-14 04:30:14,018 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:30:14,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:30:14,019 INFO L82 PathProgramCache]: Analyzing trace with hash -176034758, now seen corresponding path program 24 times [2021-07-14 04:30:14,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:30:14,019 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46046728] [2021-07-14 04:30:14,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:30:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:30:14,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 477 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:30:14,839 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:30:14,839 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46046728] [2021-07-14 04:30:14,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46046728] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:30:14,839 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117133293] [2021-07-14 04:30:14,839 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 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 [2021-07-14 04:30:14,909 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2021-07-14 04:30:14,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:30:14,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-14 04:30:14,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:30:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 532 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:30:16,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117133293] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:30:16,874 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:30:16,874 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44] total 83 [2021-07-14 04:30:16,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232472450] [2021-07-14 04:30:16,875 INFO L462 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-07-14 04:30:16,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:30:16,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-07-14 04:30:16,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1218, Invalid=5588, Unknown=0, NotChecked=0, Total=6806 [2021-07-14 04:30:16,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:30:16,876 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:30:16,876 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 3.0602409638554215) internal successors, (254), 83 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:30:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:30:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:30:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2021-07-14 04:30:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:30:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:30:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-07-14 04:30:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:30:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 04:30:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-07-14 04:30:25,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-07-14 04:30:25,791 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-07-14 04:30:25,791 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:30:25,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:30:25,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1350817004, now seen corresponding path program 25 times [2021-07-14 04:30:25,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:30:25,792 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11807833] [2021-07-14 04:30:25,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:30:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:30:26,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 537 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:30:26,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:30:26,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11807833] [2021-07-14 04:30:26,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11807833] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:30:26,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445427628] [2021-07-14 04:30:26,668 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 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 [2021-07-14 04:30:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:30:26,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-14 04:30:26,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:30:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 590 proven. 590 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 04:30:28,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445427628] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:30:28,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:30:28,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 44] total 88 [2021-07-14 04:30:28,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638140266] [2021-07-14 04:30:28,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-07-14 04:30:28,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:30:28,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-07-14 04:30:28,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=996, Invalid=6660, Unknown=0, NotChecked=0, Total=7656 [2021-07-14 04:30:28,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:30:28,500 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:30:28,500 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 3.125) internal successors, (275), 88 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:30:28,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2021-07-14 04:30:28,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:30:32,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:30:32,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:30:32,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:30:32,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-07-14 04:30:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-07-14 04:30:32,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 04:30:32,517 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:30:32,517 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:30:32,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:30:32,518 INFO L82 PathProgramCache]: Analyzing trace with hash -51437381, now seen corresponding path program 26 times [2021-07-14 04:30:32,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:30:32,518 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040655126] [2021-07-14 04:30:32,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:30:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:30:33,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 537 proven. 709 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:30:33,352 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:30:33,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040655126] [2021-07-14 04:30:33,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040655126] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:30:33,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216311576] [2021-07-14 04:30:33,352 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 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 [2021-07-14 04:30:33,399 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:30:33,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:30:33,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 04:30:33,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:30:35,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 537 proven. 709 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:30:35,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216311576] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:30:35,273 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:30:35,273 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 90 [2021-07-14 04:30:35,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458826176] [2021-07-14 04:30:35,274 INFO L462 AbstractCegarLoop]: Interpolant automaton has 90 states [2021-07-14 04:30:35,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:30:35,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2021-07-14 04:30:35,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1508, Invalid=6502, Unknown=0, NotChecked=0, Total=8010 [2021-07-14 04:30:35,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:30:35,275 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:30:35,275 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 90 states, 90 states have (on average 3.0555555555555554) internal successors, (275), 90 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 04:30:35,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:30:35,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:30:35,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:30:35,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:30:35,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:30:35,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:30:35,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 04:30:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:30:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:30:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:30:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 04:30:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 04:30:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 04:30:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 04:30:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:30:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:30:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 04:30:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:30:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 04:30:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 04:30:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:30:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 04:30:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 04:30:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:30:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 04:30:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 04:30:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 04:30:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 04:30:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 04:30:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 04:30:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 04:30:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-07-14 04:30:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 04:30:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 04:30:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-07-14 04:30:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-07-14 04:30:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 04:30:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 04:30:37,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable127 [2021-07-14 04:30:37,225 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:30:37,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:30:37,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1759900020, now seen corresponding path program 27 times [2021-07-14 04:30:37,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:30:37,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531816557] [2021-07-14 04:30:37,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:30:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:30:53,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 0 proven. 1310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:30:53,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:30:53,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531816557] [2021-07-14 04:30:53,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531816557] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:30:53,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129778355] [2021-07-14 04:30:53,379 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 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 [2021-07-14 04:30:53,468 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2021-07-14 04:30:53,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:30:53,471 WARN L261 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 189 conjunts are in the unsatisfiable core [2021-07-14 04:30:53,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:31:23,985 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-07-14 04:31:29,616 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-07-14 04:31:30,851 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-07-14 04:31:32,016 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-07-14 04:31:33,496 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-07-14 04:31:36,165 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-07-14 04:31:37,590 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-07-14 04:31:39,402 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-07-14 04:31:42,034 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-07-14 04:31:44,808 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-07-14 04:31:46,531 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-07-14 04:31:49,376 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-07-14 04:31:50,888 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-07-14 04:31:52,329 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-07-14 04:31:53,872 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-07-14 04:31:55,417 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-07-14 04:31:56,945 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-07-14 04:31:58,523 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-14 04:32:00,113 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-07-14 04:32:03,330 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 04:32:05,056 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-07-14 04:32:06,832 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-07-14 04:32:08,636 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-07-14 04:32:12,775 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-07-14 04:32:14,963 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-07-14 04:32:17,048 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-07-14 04:32:19,342 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-07-14 04:32:21,398 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-07-14 04:32:23,411 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-07-14 04:32:25,483 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-07-14 04:32:27,446 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-07-14 04:32:31,254 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-07-14 04:32:33,546 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-07-14 04:32:35,924 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-07-14 04:32:38,247 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-07-14 04:32:38,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 04:32:38,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 04:32:38,652 INFO L244 Elim1Store]: Index analysis took 383 ms [2021-07-14 04:32:40,777 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 490 [2021-07-14 04:32:40,778 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 04:32:40,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 37 select indices, 37 select index equivalence classes, 525 disjoint index pairs (out of 666 index pairs), introduced 36 new quantified variables, introduced 105 case distinctions, treesize of input 514 treesize of output 1402 [2021-07-14 04:32:41,395 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 478 [2021-07-14 04:32:41,521 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 478 [2021-07-14 04:32:41,710 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 481 [2021-07-14 04:32:41,842 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 545 [2021-07-14 04:32:42,171 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 567 [2021-07-14 04:32:42,491 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 729 [2021-07-14 04:32:42,808 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 729 [2021-07-14 04:32:43,272 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 749 [2021-07-14 04:32:43,887 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 430 [2021-07-14 04:32:44,138 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 494 [2021-07-14 04:32:44,259 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 611 [2021-07-14 04:32:44,552 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 632 [2021-07-14 04:32:45,087 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 805 DAG size of output: 754 [2021-07-14 04:32:45,625 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 805 DAG size of output: 754 [2021-07-14 04:32:46,206 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 758 [2021-07-14 04:32:46,796 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 792 [2021-07-14 04:32:47,395 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 794 [2021-07-14 04:32:47,952 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 794 [2021-07-14 04:32:49,848 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 850 DAG size of output: 919 [2021-07-14 04:32:50,534 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 786 DAG size of output: 831 [2021-07-14 04:32:51,206 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 816 [2021-07-14 04:32:51,816 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 690 [2021-07-14 04:32:52,633 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 403 [2021-07-14 04:32:52,792 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 512 [2021-07-14 04:32:53,638 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 982 DAG size of output: 780 [2021-07-14 04:32:54,427 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 525 [2021-07-14 04:32:55,051 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 586 [2021-07-14 04:32:55,829 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 659 [2021-07-14 04:32:56,064 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 717 [2021-07-14 04:32:56,391 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 948 DAG size of output: 838 [2021-07-14 04:32:58,437 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 1731 DAG size of output: 1527 [2021-07-14 04:33:01,411 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 1977 DAG size of output: 1776 [2021-07-14 04:33:01,731 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 524 [2021-07-14 04:33:02,295 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 500 [2021-07-14 04:33:02,446 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 380 [2021-07-14 04:33:03,421 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 561 [2021-07-14 04:33:03,687 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 681 [2021-07-14 04:33:04,096 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 863 DAG size of output: 791 [2021-07-14 04:33:04,673 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 873 [2021-07-14 04:33:05,310 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 497 [2021-07-14 04:33:06,508 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1408 DAG size of output: 1317 [2021-07-14 04:33:08,182 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1533 DAG size of output: 1441 [2021-07-14 04:33:16,542 WARN L205 SmtUtils]: Spent 8.35 s on a formula simplification. DAG size of input: 3043 DAG size of output: 2694 [2021-07-14 04:33:42,535 WARN L205 SmtUtils]: Spent 25.97 s on a formula simplification. DAG size of input: 3339 DAG size of output: 2997 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown