/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 03:47:08,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 03:47:08,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 03:47:08,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 03:47:08,377 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-06-14 03:47:08,392 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 03:47:08,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 03:47:08,392 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 03:47:08,392 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 03:47:08,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 03:47:08,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 03:47:08,393 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 03:47:08,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 03:47:08,393 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 03:47:08,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 03:47:08,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 03:47:08,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 03:47:08,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 03:47:08,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 03:47:08,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 03:47:08,394 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 03:47:08,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 03:47:08,394 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 03:47:08,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 03:47:08,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 03:47:08,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 03:47:08,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 03:47:08,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 03:47:08,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 03:47:08,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 03:47:08,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 03:47:08,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 03:47:08,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 03:47:08,404 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 03:47:08,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 03:47:08,404 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 03:47:08,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 03:47:08,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 03:47:08,405 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 03:47:08,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 03:47:08,406 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 03:47:08,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 03:47:08,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 03:47:08,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 03:47:08,666 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 03:47:08,667 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 03:47:08,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-06-14 03:47:08,667 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-06-14 03:47:08,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 03:47:08,697 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 03:47:08,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 03:47:08,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 03:47:08,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 03:47:08,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:47:08" (1/1) ... [2021-06-14 03:47:08,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:47:08" (1/1) ... [2021-06-14 03:47:08,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 03:47:08,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 03:47:08,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 03:47:08,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 03:47:08,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:47:08" (1/1) ... [2021-06-14 03:47:08,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:47:08" (1/1) ... [2021-06-14 03:47:08,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:47:08" (1/1) ... [2021-06-14 03:47:08,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:47:08" (1/1) ... [2021-06-14 03:47:08,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:47:08" (1/1) ... [2021-06-14 03:47:08,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:47:08" (1/1) ... [2021-06-14 03:47:08,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:47:08" (1/1) ... [2021-06-14 03:47:08,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 03:47:08,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 03:47:08,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 03:47:08,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 03:47:08,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:47:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 03:47:08,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 03:47:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 03:47:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 03:47:08,778 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 03:47:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 03:47:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 03:47:08,778 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 03:47:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 03:47:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 03:47:08,779 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 03:47:08,964 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 03:47:08,964 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-14 03:47:08,964 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-14 03:47:08,965 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-14 03:47:08,966 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 03:47:08 BoogieIcfgContainer [2021-06-14 03:47:08,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 03:47:08,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 03:47:08,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 03:47:08,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 03:47:08,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:47:08" (1/2) ... [2021-06-14 03:47:08,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b45184 and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 03:47:08, skipping insertion in model container [2021-06-14 03:47:08,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 03:47:08" (2/2) ... [2021-06-14 03:47:08,971 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-06-14 03:47:08,975 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 03:47:08,975 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 03:47:08,975 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 03:47:08,976 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 03:47:08,994 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-14 03:47:09,007 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 03:47:09,084 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 03:47:09,084 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 03:47:09,084 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 03:47:09,084 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 03:47:09,084 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 03:47:09,084 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 03:47:09,085 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 03:47:09,085 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 03:47:09,112 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:09,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:09,119 INFO L82 PathProgramCache]: Analyzing trace with hash -525039273, now seen corresponding path program 1 times [2021-06-14 03:47:09,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:09,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530725950] [2021-06-14 03:47:09,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:09,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:09,250 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:09,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530725950] [2021-06-14 03:47:09,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530725950] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:47:09,251 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:47:09,251 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 03:47:09,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985129361] [2021-06-14 03:47:09,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:47:09,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:09,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:47:09,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:47:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:09,274 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:09,278 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:09,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:09,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:09,295 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 03:47:09,295 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:09,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:09,298 INFO L82 PathProgramCache]: Analyzing trace with hash 904379190, now seen corresponding path program 1 times [2021-06-14 03:47:09,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:09,298 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763931550] [2021-06-14 03:47:09,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:09,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:09,366 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:09,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763931550] [2021-06-14 03:47:09,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763931550] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:47:09,367 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:47:09,367 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:47:09,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178483083] [2021-06-14 03:47:09,368 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 03:47:09,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:09,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 03:47:09,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-14 03:47:09,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:09,369 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:09,369 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:09,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:09,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:09,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:09,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:09,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-14 03:47:09,402 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:09,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:09,402 INFO L82 PathProgramCache]: Analyzing trace with hash 512969110, now seen corresponding path program 1 times [2021-06-14 03:47:09,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:09,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546983158] [2021-06-14 03:47:09,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:09,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:09,447 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:09,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546983158] [2021-06-14 03:47:09,447 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546983158] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:09,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675922080] [2021-06-14 03:47:09,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:09,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-14 03:47:09,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:47:09,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:09,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675922080] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:09,596 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:47:09,596 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-14 03:47:09,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373768996] [2021-06-14 03:47:09,597 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 03:47:09,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:09,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 03:47:09,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-14 03:47:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:09,598 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:09,599 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:09,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:09,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:09,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:09,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:09,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:09,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:09,858 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:09,858 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:09,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:09,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1312937878, now seen corresponding path program 2 times [2021-06-14 03:47:09,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:09,859 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493961587] [2021-06-14 03:47:09,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:09,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:09,928 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:09,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493961587] [2021-06-14 03:47:09,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493961587] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:09,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534931788] [2021-06-14 03:47:09,929 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:09,965 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:47:09,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:47:09,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-14 03:47:09,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:47:10,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:10,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534931788] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:10,023 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:47:10,023 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-14 03:47:10,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183467979] [2021-06-14 03:47:10,024 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-14 03:47:10,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:10,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-14 03:47:10,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-14 03:47:10,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:10,025 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:10,025 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:10,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:10,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:10,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:10,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:10,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:10,265 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:10,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:10,266 INFO L82 PathProgramCache]: Analyzing trace with hash -2081479658, now seen corresponding path program 3 times [2021-06-14 03:47:10,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:10,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537676656] [2021-06-14 03:47:10,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:10,326 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:10,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:10,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537676656] [2021-06-14 03:47:10,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537676656] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:10,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103341143] [2021-06-14 03:47:10,327 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:10,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-14 03:47:10,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:47:10,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-14 03:47:10,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:47:10,492 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:10,492 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103341143] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:10,492 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:47:10,492 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-14 03:47:10,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795312712] [2021-06-14 03:47:10,493 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-14 03:47:10,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:10,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-14 03:47:10,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-06-14 03:47:10,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:10,493 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:10,494 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:10,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:10,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:10,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:10,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:10,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:10,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:10,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:10,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:10,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:10,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:10,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:10,789 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:10,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:10,789 INFO L82 PathProgramCache]: Analyzing trace with hash -136471062, now seen corresponding path program 4 times [2021-06-14 03:47:10,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:10,789 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069344733] [2021-06-14 03:47:10,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:10,826 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:10,826 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:10,826 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069344733] [2021-06-14 03:47:10,826 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069344733] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:10,826 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324020168] [2021-06-14 03:47:10,826 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:10,859 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 03:47:10,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:47:10,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-14 03:47:10,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:47:10,977 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:47:10,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-14 03:47:11,025 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:47:11,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:47:11,027 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:47:11,027 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-14 03:47:11,033 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:11,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324020168] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:11,034 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:47:11,034 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-06-14 03:47:11,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953830182] [2021-06-14 03:47:11,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-14 03:47:11,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:11,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-14 03:47:11,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-06-14 03:47:11,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:11,035 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:11,035 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:11,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:11,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:11,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:11,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:11,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:11,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:11,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:11,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:11,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:11,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:11,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:11,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:11,285 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-14 03:47:11,285 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:11,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:11,285 INFO L82 PathProgramCache]: Analyzing trace with hash 29253270, now seen corresponding path program 5 times [2021-06-14 03:47:11,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:11,286 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877017367] [2021-06-14 03:47:11,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:11,338 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:11,338 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:11,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877017367] [2021-06-14 03:47:11,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877017367] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:11,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416850534] [2021-06-14 03:47:11,341 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:11,384 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-14 03:47:11,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:47:11,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-14 03:47:11,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:47:11,440 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:11,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416850534] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:11,441 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:47:11,441 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-06-14 03:47:11,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912903390] [2021-06-14 03:47:11,441 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-14 03:47:11,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:11,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-14 03:47:11,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-06-14 03:47:11,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:11,442 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:11,442 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:11,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:11,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:11,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:11,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:11,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:11,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:11,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:11,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:11,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:11,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:11,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:11,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:11,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:11,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:11,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:11,749 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:11,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:11,749 INFO L82 PathProgramCache]: Analyzing trace with hash 2134242197, now seen corresponding path program 6 times [2021-06-14 03:47:11,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:11,749 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20171217] [2021-06-14 03:47:11,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:11,808 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:11,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:11,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20171217] [2021-06-14 03:47:11,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20171217] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:11,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167934866] [2021-06-14 03:47:11,808 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:11,844 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-14 03:47:11,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:47:11,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-14 03:47:11,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:47:11,917 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:11,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167934866] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:11,918 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:47:11,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-06-14 03:47:11,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704896854] [2021-06-14 03:47:11,918 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-14 03:47:11,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:11,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-14 03:47:11,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-06-14 03:47:11,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:11,919 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:11,919 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:11,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:11,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:11,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:11,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:11,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:11,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:11,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:11,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:11,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:11,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:11,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:11,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:11,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:11,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:11,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:11,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:12,192 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-14 03:47:12,193 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:12,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:12,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1701887563, now seen corresponding path program 7 times [2021-06-14 03:47:12,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:12,193 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542743703] [2021-06-14 03:47:12,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:12,273 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:12,273 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:12,274 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542743703] [2021-06-14 03:47:12,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542743703] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:12,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157564126] [2021-06-14 03:47:12,275 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:12,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-14 03:47:12,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:47:12,361 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:12,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157564126] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:12,362 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:47:12,362 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-06-14 03:47:12,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683927184] [2021-06-14 03:47:12,362 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-14 03:47:12,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:12,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-14 03:47:12,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-06-14 03:47:12,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:12,363 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:12,363 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:12,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:12,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:12,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:12,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:12,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:12,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:12,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:12,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:12,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:12,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-14 03:47:12,613 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:12,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:12,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1183795797, now seen corresponding path program 8 times [2021-06-14 03:47:12,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:12,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605251940] [2021-06-14 03:47:12,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 03:47:12,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:12,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605251940] [2021-06-14 03:47:12,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605251940] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:12,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842258377] [2021-06-14 03:47:12,709 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:12,737 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:47:12,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:47:12,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-14 03:47:12,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:47:12,823 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 03:47:12,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842258377] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:12,823 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:47:12,823 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2021-06-14 03:47:12,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857557275] [2021-06-14 03:47:12,824 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-14 03:47:12,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:12,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-14 03:47:12,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-06-14 03:47:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:12,824 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:12,825 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.75) internal successors, (28), 15 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:12,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:12,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:12,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:12,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:12,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:12,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:12,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:12,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:12,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:12,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:47:13,165 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-14 03:47:13,165 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:13,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:13,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1992147061, now seen corresponding path program 9 times [2021-06-14 03:47:13,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:13,166 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570299056] [2021-06-14 03:47:13,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 03:47:13,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:13,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570299056] [2021-06-14 03:47:13,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570299056] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:13,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665045249] [2021-06-14 03:47:13,282 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:13,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-14 03:47:13,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:47:13,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-14 03:47:13,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:47:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 03:47:13,431 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665045249] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:13,431 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:47:13,431 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2021-06-14 03:47:13,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324349265] [2021-06-14 03:47:13,432 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-14 03:47:13,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:13,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-14 03:47:13,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-14 03:47:13,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:13,433 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:13,433 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:13,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:13,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:13,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:13,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:13,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:13,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:13,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:13,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:13,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:13,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:47:13,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:13,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:13,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:47:13,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:13,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-14 03:47:13,789 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:13,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:13,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1662127851, now seen corresponding path program 10 times [2021-06-14 03:47:13,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:13,789 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229115869] [2021-06-14 03:47:13,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:13,847 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:13,847 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:13,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229115869] [2021-06-14 03:47:13,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229115869] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:13,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198401967] [2021-06-14 03:47:13,847 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:13,877 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 03:47:13,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:47:13,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-14 03:47:13,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:47:14,123 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:47:14,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-06-14 03:47:14,968 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-06-14 03:47:15,084 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-06-14 03:47:16,514 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:47:16,515 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:47:16,516 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:47:16,516 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-14 03:47:16,521 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:16,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198401967] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:16,521 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:47:16,521 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-06-14 03:47:16,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398068001] [2021-06-14 03:47:16,521 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 03:47:16,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:16,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 03:47:16,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-06-14 03:47:16,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:16,522 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:16,522 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:16,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:16,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:16,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:16,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:16,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:47:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:47:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:47:16,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:16,809 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:16,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:16,809 INFO L82 PathProgramCache]: Analyzing trace with hash -21466933, now seen corresponding path program 11 times [2021-06-14 03:47:16,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:16,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231473459] [2021-06-14 03:47:16,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:16,897 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:16,897 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:16,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231473459] [2021-06-14 03:47:16,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231473459] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:16,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127671525] [2021-06-14 03:47:16,898 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:16,927 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-14 03:47:16,927 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:47:16,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-14 03:47:16,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:47:16,986 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:16,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127671525] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:16,987 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:47:16,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-14 03:47:16,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304627746] [2021-06-14 03:47:16,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-14 03:47:16,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:16,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-14 03:47:16,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-06-14 03:47:16,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:16,988 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:16,988 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:16,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:16,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:16,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:16,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:16,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:16,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:16,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:16,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:16,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:16,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:47:16,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:16,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:47:16,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:17,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:17,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:17,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:17,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:17,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:17,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:47:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:47:17,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 03:47:17,369 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable314,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:17,369 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:17,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:17,369 INFO L82 PathProgramCache]: Analyzing trace with hash 474967626, now seen corresponding path program 12 times [2021-06-14 03:47:17,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:17,370 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247268357] [2021-06-14 03:47:17,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:17,453 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:17,453 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:17,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247268357] [2021-06-14 03:47:17,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247268357] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:17,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568625874] [2021-06-14 03:47:17,453 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:17,479 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-14 03:47:17,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:47:17,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-14 03:47:17,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:47:17,527 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:17,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568625874] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:17,527 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:47:17,527 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-14 03:47:17,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803160271] [2021-06-14 03:47:17,528 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-14 03:47:17,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:17,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-14 03:47:17,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-06-14 03:47:17,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:17,529 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:17,529 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:47:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:47:17,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 03:47:17,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:17,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:47:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:47:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 03:47:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:47:17,858 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable315 [2021-06-14 03:47:17,859 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:17,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:17,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1803983414, now seen corresponding path program 13 times [2021-06-14 03:47:17,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:17,859 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675839761] [2021-06-14 03:47:17,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:17,978 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 3 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:17,978 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:17,978 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675839761] [2021-06-14 03:47:17,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675839761] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:17,978 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818484302] [2021-06-14 03:47:17,978 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:18,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-14 03:47:18,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:47:18,087 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:18,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818484302] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:18,088 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:47:18,088 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 17 [2021-06-14 03:47:18,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877314056] [2021-06-14 03:47:18,088 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-14 03:47:18,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:18,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-14 03:47:18,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-06-14 03:47:18,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:18,089 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:18,089 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:18,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:18,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:18,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:18,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:18,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:18,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:18,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:18,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:18,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:18,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:47:18,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:18,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:47:18,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 03:47:18,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:47:18,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:18,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:18,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:18,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:18,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:18,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:18,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:18,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:18,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:18,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:18,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:47:18,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:18,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:47:18,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 03:47:18,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:47:18,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:18,357 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable316,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:18,357 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:18,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:18,358 INFO L82 PathProgramCache]: Analyzing trace with hash 53799882, now seen corresponding path program 14 times [2021-06-14 03:47:18,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:18,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167733469] [2021-06-14 03:47:18,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:18,500 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 03:47:18,500 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:18,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167733469] [2021-06-14 03:47:18,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167733469] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:18,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106200919] [2021-06-14 03:47:18,505 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:18,530 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:47:18,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:47:18,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-14 03:47:18,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:47:18,770 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:18,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106200919] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:18,770 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:47:18,770 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-06-14 03:47:18,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910603413] [2021-06-14 03:47:18,770 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-14 03:47:18,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:18,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-14 03:47:18,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=533, Unknown=0, NotChecked=0, Total=702 [2021-06-14 03:47:18,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:18,771 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:18,771 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:18,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:18,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:18,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:18,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:18,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:47:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:47:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 03:47:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:47:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:18,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:19,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:19,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:19,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:19,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:47:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:47:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 03:47:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:47:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-14 03:47:19,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable317,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:19,377 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:19,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:19,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1632685238, now seen corresponding path program 15 times [2021-06-14 03:47:19,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:19,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866453640] [2021-06-14 03:47:19,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:19,517 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 03:47:19,518 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:19,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866453640] [2021-06-14 03:47:19,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866453640] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:19,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839165928] [2021-06-14 03:47:19,518 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:19,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-14 03:47:19,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:47:19,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-14 03:47:19,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:47:19,760 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-14 03:47:19,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839165928] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:19,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:47:19,761 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2021-06-14 03:47:19,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790500087] [2021-06-14 03:47:19,761 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-14 03:47:19,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:47:19,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-14 03:47:19,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2021-06-14 03:47:19,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:19,762 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:47:19,762 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 25 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:47:19,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:19,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:19,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:47:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:47:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 03:47:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:47:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-14 03:47:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:47:20,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:47:20,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:20,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:47:20,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:47:20,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:47:20,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:47:20,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:47:20,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:20,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:47:20,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:47:20,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:20,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:47:20,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 03:47:20,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:47:20,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:47:20,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-14 03:47:20,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 03:47:20,313 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable318,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:20,313 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:47:20,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:47:20,313 INFO L82 PathProgramCache]: Analyzing trace with hash -961476278, now seen corresponding path program 16 times [2021-06-14 03:47:20,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:47:20,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960853675] [2021-06-14 03:47:20,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:47:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:47:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:47:20,420 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:47:20,420 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960853675] [2021-06-14 03:47:20,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960853675] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:47:20,420 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206348229] [2021-06-14 03:47:20,420 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:47:20,448 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 03:47:20,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:47:20,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-14 03:47:20,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:47:21,061 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-14 03:47:21,062 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:47:21,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-06-14 03:47:21,858 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-06-14 03:47:22,005 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-06-14 03:47:23,180 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-06-14 03:47:23,421 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-06-14 03:47:23,868 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-06-14 03:47:24,437 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-06-14 03:47:25,213 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-06-14 03:47:25,382 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-06-14 03:47:25,592 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-06-14 03:47:26,252 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-06-14 03:47:26,859 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-06-14 03:47:27,135 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-06-14 03:47:27,477 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-06-14 03:47:27,894 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-06-14 03:47:28,601 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-06-14 03:47:29,427 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-06-14 03:47:30,888 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-06-14 03:47:31,923 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-06-14 03:47:32,126 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-06-14 03:47:32,885 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-06-14 03:47:33,256 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-06-14 03:47:33,706 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-06-14 03:47:34,393 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-06-14 03:47:34,542 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-06-14 03:47:34,722 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-06-14 03:47:36,057 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-06-14 03:47:36,351 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-06-14 03:47:36,717 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-06-14 03:47:37,335 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-06-14 03:47:38,070 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-06-14 03:47:39,356 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-06-14 03:47:42,575 WARN L205 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-06-14 03:47:46,273 WARN L205 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-06-14 03:47:50,489 WARN L205 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-14 03:47:54,686 WARN L205 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-14 03:47:59,619 WARN L205 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-06-14 03:48:04,247 WARN L205 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-06-14 03:48:09,245 WARN L205 SmtUtils]: Spent 4.98 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-06-14 03:48:17,045 WARN L205 SmtUtils]: Spent 7.78 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-06-14 03:48:17,210 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-06-14 03:48:18,276 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-06-14 03:48:20,119 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-06-14 03:48:26,460 WARN L205 SmtUtils]: Spent 6.33 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-06-14 03:48:26,759 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-06-14 03:48:27,039 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-06-14 03:48:27,978 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-06-14 03:48:29,668 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-06-14 03:48:29,884 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-06-14 03:48:30,178 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-06-14 03:48:30,642 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-06-14 03:48:31,571 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-06-14 03:48:31,898 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-06-14 03:48:32,194 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-06-14 03:48:32,642 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-06-14 03:48:33,644 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-06-14 03:48:34,875 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-06-14 03:48:35,148 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-06-14 03:48:36,073 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-06-14 03:48:36,309 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-06-14 03:48:36,653 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-06-14 03:48:37,535 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-06-14 03:48:37,730 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-06-14 03:48:37,988 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-06-14 03:48:38,317 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-06-14 03:48:39,022 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-06-14 03:48:39,941 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-06-14 03:48:40,785 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-06-14 03:48:40,948 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-06-14 03:48:41,173 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-06-14 03:48:41,467 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-06-14 03:48:42,424 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-06-14 03:48:42,573 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-06-14 03:48:42,771 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-06-14 03:48:43,038 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-06-14 03:48:43,382 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-06-14 03:48:44,090 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-06-14 03:48:45,859 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-06-14 03:48:48,758 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-06-14 03:48:52,110 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-06-14 03:48:56,400 WARN L205 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-06-14 03:48:57,472 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-06-14 03:48:57,827 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-06-14 03:48:58,390 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-06-14 03:48:59,366 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-06-14 03:48:59,560 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-06-14 03:48:59,818 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-06-14 03:49:00,188 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-06-14 03:49:00,372 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-06-14 03:49:01,305 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-06-14 03:49:01,485 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-06-14 03:49:02,352 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-06-14 03:49:02,506 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-06-14 03:49:02,880 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-06-14 03:49:03,395 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-06-14 03:49:04,139 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-06-14 03:49:05,320 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-06-14 03:49:06,951 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-06-14 03:49:07,617 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-06-14 03:49:08,207 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-06-14 03:49:08,575 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-06-14 03:49:08,682 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-06-14 03:49:10,274 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-06-14 03:49:10,425 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-06-14 03:49:10,719 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-06-14 03:49:11,320 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-06-14 03:49:12,237 WARN L205 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-06-14 03:49:13,573 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-06-14 03:49:16,848 WARN L205 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-06-14 03:49:20,635 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-06-14 03:49:26,064 WARN L205 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-06-14 03:49:36,932 WARN L205 SmtUtils]: Spent 10.85 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-06-14 03:49:38,168 WARN L205 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-06-14 03:49:38,726 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-06-14 03:49:39,491 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-06-14 03:49:39,978 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-06-14 03:49:40,768 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-06-14 03:49:40,970 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-06-14 03:49:41,183 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-06-14 03:49:42,040 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-06-14 03:49:42,837 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-06-14 03:49:43,723 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-06-14 03:49:44,765 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-06-14 03:49:45,178 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-06-14 03:49:45,945 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-06-14 03:49:46,882 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-06-14 03:49:48,071 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-06-14 03:49:49,333 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-06-14 03:49:51,173 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-06-14 03:49:53,679 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-06-14 03:49:54,481 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-06-14 03:49:54,843 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-06-14 03:49:55,132 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-06-14 03:49:56,325 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-06-14 03:49:57,169 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-06-14 03:49:57,436 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-06-14 03:49:57,821 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-06-14 03:49:58,525 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-06-14 03:49:59,540 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-06-14 03:49:59,718 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-06-14 03:50:00,359 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-06-14 03:50:00,544 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-06-14 03:50:00,816 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-06-14 03:50:02,059 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-06-14 03:50:03,899 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-06-14 03:50:08,659 WARN L205 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-06-14 03:50:15,226 WARN L205 SmtUtils]: Spent 6.56 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-06-14 03:50:22,615 WARN L205 SmtUtils]: Spent 7.38 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-06-14 03:50:23,260 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-06-14 03:50:23,928 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-06-14 03:50:24,088 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-06-14 03:50:24,782 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-06-14 03:50:25,694 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-06-14 03:50:25,844 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-06-14 03:50:26,064 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-06-14 03:50:26,359 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-06-14 03:50:26,723 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-06-14 03:50:27,170 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-06-14 03:50:27,702 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-06-14 03:50:28,936 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-06-14 03:50:29,186 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-06-14 03:50:29,506 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-06-14 03:50:29,984 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-06-14 03:50:30,510 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-06-14 03:50:31,155 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-06-14 03:50:32,445 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-06-14 03:50:33,303 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-06-14 03:50:33,465 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-06-14 03:50:33,714 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-06-14 03:50:34,033 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-06-14 03:50:34,219 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-06-14 03:50:34,839 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-06-14 03:50:35,059 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-06-14 03:50:35,342 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-06-14 03:50:36,026 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-06-14 03:50:37,110 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-06-14 03:50:39,581 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-06-14 03:50:42,792 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-06-14 03:50:42,933 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-06-14 03:50:43,528 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-06-14 03:50:43,717 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-06-14 03:50:44,296 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-06-14 03:50:44,633 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-06-14 03:50:45,630 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-06-14 03:50:45,770 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-06-14 03:50:45,963 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-06-14 03:50:46,252 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-06-14 03:50:46,651 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-06-14 03:50:47,474 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-06-14 03:50:48,610 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-06-14 03:50:49,643 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-06-14 03:50:49,809 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-06-14 03:50:50,032 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-06-14 03:50:50,303 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-06-14 03:50:50,661 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-06-14 03:50:52,351 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-06-14 03:50:57,328 WARN L205 SmtUtils]: Spent 4.97 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-06-14 03:51:02,941 WARN L205 SmtUtils]: Spent 5.60 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-06-14 03:51:16,951 WARN L205 SmtUtils]: Spent 14.00 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-06-14 03:51:43,963 WARN L205 SmtUtils]: Spent 26.99 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-06-14 03:51:44,939 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-06-14 03:51:45,116 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-06-14 03:52:15,290 WARN L205 SmtUtils]: Spent 30.16 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-06-14 03:52:50,968 WARN L205 SmtUtils]: Spent 35.63 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-06-14 03:52:51,994 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-06-14 03:52:52,180 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-06-14 03:52:52,411 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-06-14 03:53:28,726 WARN L205 SmtUtils]: Spent 36.30 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-06-14 03:54:05,601 WARN L205 SmtUtils]: Spent 36.83 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-06-14 03:54:49,524 WARN L205 SmtUtils]: Spent 43.87 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-06-14 03:54:52,876 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-06-14 03:54:53,023 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-06-14 03:54:54,377 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-06-14 03:54:57,725 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-06-14 03:54:57,866 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-06-14 03:54:58,002 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-06-14 03:54:59,032 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-06-14 03:54:59,691 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-06-14 03:55:00,576 WARN L205 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-06-14 03:55:01,298 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-06-14 03:55:01,621 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-06-14 03:55:02,420 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-06-14 03:55:02,587 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-06-14 03:55:02,951 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-06-14 03:55:03,278 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-06-14 03:55:03,680 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-06-14 03:55:05,139 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-06-14 03:55:05,448 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-06-14 03:55:06,220 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-06-14 03:55:07,218 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-06-14 03:55:08,584 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-06-14 03:55:09,447 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-06-14 03:55:10,476 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-06-14 03:55:10,757 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-06-14 03:55:11,601 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-06-14 03:55:11,934 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-06-14 03:55:12,169 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-06-14 03:55:12,774 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-06-14 03:55:12,940 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-06-14 03:55:13,710 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-06-14 03:55:13,884 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-06-14 03:55:14,272 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-06-14 03:55:15,142 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-06-14 03:55:15,638 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-06-14 03:55:15,910 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-06-14 03:55:16,665 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-06-14 03:55:17,623 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-06-14 03:55:18,853 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-06-14 03:55:20,478 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-06-14 03:55:22,577 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-06-14 03:55:25,180 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-06-14 03:55:29,544 WARN L205 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-06-14 03:55:35,422 WARN L205 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-06-14 03:55:35,801 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-06-14 03:55:35,988 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-06-14 03:55:36,183 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-06-14 03:55:36,506 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-06-14 03:55:37,948 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-06-14 03:55:38,113 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-06-14 03:55:38,347 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-06-14 03:55:38,721 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-06-14 03:55:39,231 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-06-14 03:55:39,505 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-06-14 03:55:40,661 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-06-14 03:55:40,819 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-06-14 03:55:41,011 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-06-14 03:55:41,286 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-06-14 03:55:41,640 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-06-14 03:55:42,742 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-06-14 03:55:43,914 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-06-14 03:55:45,286 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-06-14 03:55:47,129 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-06-14 03:55:47,353 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-06-14 03:55:47,593 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-14 03:55:47,761 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-14 03:55:47,931 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-06-14 03:55:49,008 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-06-14 03:55:49,197 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-06-14 03:55:49,445 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-06-14 03:55:49,774 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-06-14 03:55:50,232 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-06-14 03:55:50,407 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-14 03:55:50,579 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-14 03:55:51,621 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-06-14 03:55:51,796 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-06-14 03:55:52,047 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-06-14 03:55:52,418 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-06-14 03:55:53,351 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-06-14 03:55:54,595 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-06-14 03:55:57,718 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-06-14 03:56:06,862 WARN L205 SmtUtils]: Spent 9.13 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-06-14 03:56:17,474 WARN L205 SmtUtils]: Spent 10.25 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-06-14 03:56:29,547 WARN L205 SmtUtils]: Spent 12.06 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-06-14 03:56:41,908 WARN L205 SmtUtils]: Spent 12.34 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-06-14 03:56:54,482 WARN L205 SmtUtils]: Spent 12.56 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-06-14 03:57:08,868 WARN L205 SmtUtils]: Spent 14.37 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-06-14 03:58:09,116 WARN L205 SmtUtils]: Spent 1.00 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-06-14 03:59:15,368 WARN L205 SmtUtils]: Spent 1.10 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-06-14 04:00:21,657 WARN L205 SmtUtils]: Spent 1.10 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-06-14 04:01:32,900 WARN L205 SmtUtils]: Spent 1.19 m on a formula simplification. DAG size of input: 16701 DAG size of output: 11364 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown