/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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 08:33:57,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 08:33:57,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 08:33:57,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 08:33:57,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 08:33:57,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 08:33:57,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 08:33:57,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 08:33:57,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 08:33:57,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 08:33:57,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 08:33:57,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 08:33:57,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 08:33:57,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 08:33:57,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 08:33:57,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 08:33:57,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 08:33:57,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 08:33:57,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 08:33:57,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 08:33:57,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 08:33:57,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 08:33:57,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 08:33:57,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 08:33:57,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 08:33:57,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 08:33:57,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 08:33:57,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 08:33:57,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 08:33:57,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 08:33:57,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 08:33:57,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 08:33:57,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 08:33:57,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 08:33:57,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 08:33:57,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 08:33:57,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 08:33:57,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 08:33:57,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 08:33:57,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 08:33:57,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 08:33:57,926 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-Persistent-NoLbe.epf [2021-07-14 08:33:57,940 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 08:33:57,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 08:33:57,950 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 08:33:57,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 08:33:57,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 08:33:57,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 08:33:57,951 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 08:33:57,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 08:33:57,952 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 08:33:57,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 08:33:57,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 08:33:57,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 08:33:57,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 08:33:57,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 08:33:57,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 08:33:57,953 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 08:33:57,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 08:33:57,953 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 08:33:57,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 08:33:57,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 08:33:57,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 08:33:57,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 08:33:57,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 08:33:57,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 08:33:57,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 08:33:57,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 08:33:57,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 08:33:57,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 08:33:57,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 08:33:57,955 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 08:33:57,955 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 08:33:57,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 08:33:57,955 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-07-14 08:33:57,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 08:33:58,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 08:33:58,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 08:33:58,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 08:33:58,199 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 08:33:58,199 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 08:33:58,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl [2021-07-14 08:33:58,200 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl' [2021-07-14 08:33:58,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 08:33:58,217 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 08:33:58,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 08:33:58,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 08:33:58,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 08:33:58,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:33:58" (1/1) ... [2021-07-14 08:33:58,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:33:58" (1/1) ... [2021-07-14 08:33:58,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 08:33:58,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 08:33:58,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 08:33:58,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 08:33:58,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:33:58" (1/1) ... [2021-07-14 08:33:58,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:33:58" (1/1) ... [2021-07-14 08:33:58,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:33:58" (1/1) ... [2021-07-14 08:33:58,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:33:58" (1/1) ... [2021-07-14 08:33:58,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:33:58" (1/1) ... [2021-07-14 08:33:58,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:33:58" (1/1) ... [2021-07-14 08:33:58,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:33:58" (1/1) ... [2021-07-14 08:33:58,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 08:33:58,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 08:33:58,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 08:33:58,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 08:33:58,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:33:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 08:33:58,310 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 08:33:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 08:33:58,310 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 08:33:58,310 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 08:33:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 08:33:58,310 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 08:33:58,310 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 08:33:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 08:33:58,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 08:33:58,311 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 08:33:58,541 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 08:33:58,541 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 08:33:58,542 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 08:33:58,543 INFO L202 PluginConnector]: Adding new model unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:33:58 BoogieIcfgContainer [2021-07-14 08:33:58,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 08:33:58,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 08:33:58,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 08:33:58,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 08:33:58,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:33:58" (1/2) ... [2021-07-14 08:33:58,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2503d12a and model type unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:33:58, skipping insertion in model container [2021-07-14 08:33:58,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:33:58" (2/2) ... [2021-07-14 08:33:58,548 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.bpl [2021-07-14 08:33:58,552 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 08:33:58,552 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 08:33:58,552 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 08:33:58,552 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 08:33:58,589 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 08:33:58,604 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 [2021-07-14 08:33:58,664 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 08:33:58,664 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 08:33:58,664 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 08:33:58,664 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 08:33:58,664 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 08:33:58,664 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 08:33:58,665 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 08:33:58,665 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 08:33:58,723 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:33:58,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:33:58,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1113283563, now seen corresponding path program 1 times [2021-07-14 08:33:58,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:33:58,736 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593947425] [2021-07-14 08:33:58,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:33:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:33:58,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:33:58,867 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:33:58,867 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593947425] [2021-07-14 08:33:58,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593947425] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 08:33:58,868 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 08:33:58,868 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 08:33:58,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875496573] [2021-07-14 08:33:58,872 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 08:33:58,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:33:58,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 08:33:58,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-14 08:33:58,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:33:58,881 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:33:58,884 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 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) [2021-07-14 08:33:58,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:33:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:58,923 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 08:33:58,923 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:33:58,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:33:58,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1316649439, now seen corresponding path program 1 times [2021-07-14 08:33:58,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:33:58,927 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986312587] [2021-07-14 08:33:58,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:33:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:33:58,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:33:58,971 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:33:58,971 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986312587] [2021-07-14 08:33:58,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986312587] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:33:58,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598065648] [2021-07-14 08:33:58,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:33:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:33:59,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 08:33:59,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:33:59,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 08:33:59,221 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 08:33:59,222 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:33:59,224 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 08:33:59,224 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-14 08:33:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:33:59,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598065648] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:33:59,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:33:59,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-14 08:33:59,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860352031] [2021-07-14 08:33:59,235 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 08:33:59,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:33:59,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 08:33:59,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-14 08:33:59,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:33:59,236 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:33:59,236 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) [2021-07-14 08:33:59,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:59,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:33:59,480 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:33:59,481 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:33:59,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:33:59,482 INFO L82 PathProgramCache]: Analyzing trace with hash -664838827, now seen corresponding path program 2 times [2021-07-14 08:33:59,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:33:59,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839123767] [2021-07-14 08:33:59,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:33:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:33:59,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:33:59,518 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:33:59,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839123767] [2021-07-14 08:33:59,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839123767] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:33:59,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199520789] [2021-07-14 08:33:59,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:33:59,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 08:33:59,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:33:59,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 08:33:59,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:33:59,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:33:59,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199520789] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:33:59,621 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:33:59,621 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-14 08:33:59,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046144265] [2021-07-14 08:33:59,622 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 08:33:59,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:33:59,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 08:33:59,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-14 08:33:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:33:59,625 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:33:59,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:33:59,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:59,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:33:59,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:33:59,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:33:59,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:33:59,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:33:59,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:33:59,885 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:33:59,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:33:59,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1556384768, now seen corresponding path program 1 times [2021-07-14 08:33:59,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:33:59,886 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644429174] [2021-07-14 08:33:59,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:33:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:33:59,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:33:59,953 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:33:59,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644429174] [2021-07-14 08:33:59,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644429174] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:33:59,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653379530] [2021-07-14 08:33:59,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:33:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:33:59,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 08:33:59,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:34:00,126 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:00,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-14 08:34:00,130 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 08:34:00,131 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:00,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 08:34:00,132 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-14 08:34:00,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:00,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653379530] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:00,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:34:00,140 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-14 08:34:00,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778545200] [2021-07-14 08:34:00,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 08:34:00,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:34:00,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 08:34:00,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-07-14 08:34:00,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:00,141 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:34:00,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:34:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:00,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:00,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:00,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:00,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:00,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:00,469 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:34:00,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:34:00,469 INFO L82 PathProgramCache]: Analyzing trace with hash 16673270, now seen corresponding path program 2 times [2021-07-14 08:34:00,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:34:00,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83717083] [2021-07-14 08:34:00,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:34:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:34:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:00,552 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:34:00,552 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83717083] [2021-07-14 08:34:00,552 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83717083] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:00,552 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492560589] [2021-07-14 08:34:00,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:00,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 08:34:00,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:34:00,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 08:34:00,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:34:00,725 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:00,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-14 08:34:00,753 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 08:34:00,754 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:00,754 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 08:34:00,754 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-14 08:34:00,760 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:00,760 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492560589] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:00,760 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:34:00,760 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-14 08:34:00,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793900643] [2021-07-14 08:34:00,761 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 08:34:00,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:34:00,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 08:34:00,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-14 08:34:00,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:00,767 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:34:00,767 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 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) [2021-07-14 08:34:00,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:00,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:00,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:00,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:00,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:01,069 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:01,071 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:34:01,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:34:01,072 INFO L82 PathProgramCache]: Analyzing trace with hash -469742912, now seen corresponding path program 3 times [2021-07-14 08:34:01,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:34:01,072 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78948958] [2021-07-14 08:34:01,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:34:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:34:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:01,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:34:01,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78948958] [2021-07-14 08:34:01,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78948958] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:01,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393674277] [2021-07-14 08:34:01,128 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:01,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 08:34:01,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:34:01,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 08:34:01,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:34:01,209 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:01,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393674277] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:01,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:34:01,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 08:34:01,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931029281] [2021-07-14 08:34:01,210 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 08:34:01,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:34:01,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 08:34:01,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-14 08:34:01,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:01,210 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:34:01,210 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) [2021-07-14 08:34:01,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:01,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:01,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:01,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:01,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:01,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:01,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:01,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:01,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:01,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:01,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:01,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:01,492 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:01,492 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:34:01,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:34:01,493 INFO L82 PathProgramCache]: Analyzing trace with hash -985576459, now seen corresponding path program 4 times [2021-07-14 08:34:01,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:34:01,493 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232796144] [2021-07-14 08:34:01,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:34:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:34:01,580 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:01,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:34:01,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232796144] [2021-07-14 08:34:01,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232796144] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:01,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500734934] [2021-07-14 08:34:01,580 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:01,604 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 08:34:01,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:34:01,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 08:34:01,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:34:01,790 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:01,791 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 [2021-07-14 08:34:01,837 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 08:34:01,838 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:01,838 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 08:34:01,838 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-14 08:34:01,843 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:01,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500734934] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:01,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:34:01,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-14 08:34:01,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013820415] [2021-07-14 08:34:01,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 08:34:01,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:34:01,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 08:34:01,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-07-14 08:34:01,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:01,845 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:34:01,845 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:34:01,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:01,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:01,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:01,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:01,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:01,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:01,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:02,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:02,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:02,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:02,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:02,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:02,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:02,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:02,255 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 08:34:02,255 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:34:02,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:34:02,256 INFO L82 PathProgramCache]: Analyzing trace with hash -280092097, now seen corresponding path program 5 times [2021-07-14 08:34:02,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:34:02,256 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058041361] [2021-07-14 08:34:02,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:34:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:34:02,342 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:02,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:34:02,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058041361] [2021-07-14 08:34:02,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058041361] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:02,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222367202] [2021-07-14 08:34:02,343 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:02,370 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 08:34:02,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:34:02,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 08:34:02,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:34:02,566 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:02,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-14 08:34:02,672 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 08:34:02,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:02,674 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 08:34:02,674 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-14 08:34:02,694 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:02,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222367202] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:02,695 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:34:02,695 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-14 08:34:02,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927013028] [2021-07-14 08:34:02,695 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 08:34:02,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:34:02,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 08:34:02,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-07-14 08:34:02,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:02,696 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:34:02,697 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:34:02,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:02,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:02,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:02,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:02,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:02,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:02,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:02,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:02,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:02,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:02,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:02,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:02,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:02,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:02,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:02,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:03,083 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-07-14 08:34:03,083 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:34:03,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:34:03,084 INFO L82 PathProgramCache]: Analyzing trace with hash 115086645, now seen corresponding path program 6 times [2021-07-14 08:34:03,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:34:03,084 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226640721] [2021-07-14 08:34:03,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:34:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:34:03,142 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:03,143 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:34:03,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226640721] [2021-07-14 08:34:03,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226640721] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:03,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133359697] [2021-07-14 08:34:03,143 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:03,167 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 08:34:03,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:34:03,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 08:34:03,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:34:03,214 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:03,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133359697] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:03,214 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:34:03,214 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-07-14 08:34:03,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865912658] [2021-07-14 08:34:03,216 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 08:34:03,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:34:03,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 08:34:03,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-07-14 08:34:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:03,216 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:34:03,216 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) [2021-07-14 08:34:03,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:03,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:03,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:03,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:03,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:03,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:03,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:03,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:03,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:03,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:03,527 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-14 08:34:03,528 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:34:03,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:34:03,528 INFO L82 PathProgramCache]: Analyzing trace with hash -35729376, now seen corresponding path program 7 times [2021-07-14 08:34:03,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:34:03,528 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56022838] [2021-07-14 08:34:03,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:34:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:34:03,667 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:03,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:34:03,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56022838] [2021-07-14 08:34:03,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56022838] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:03,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896316019] [2021-07-14 08:34:03,667 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:34:03,696 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 08:34:03,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:34:04,023 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:04,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-14 08:34:04,250 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 08:34:04,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:04,252 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 08:34:04,252 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-14 08:34:04,257 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:04,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896316019] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:04,257 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:34:04,257 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-14 08:34:04,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334866863] [2021-07-14 08:34:04,257 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 08:34:04,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:34:04,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 08:34:04,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-14 08:34:04,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:04,258 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:34:04,258 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 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) [2021-07-14 08:34:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:04,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:04,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 08:34:04,811 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-14 08:34:04,812 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:34:04,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:34:04,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1773919638, now seen corresponding path program 8 times [2021-07-14 08:34:04,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:34:04,812 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054219352] [2021-07-14 08:34:04,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:34:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:34:04,933 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:04,933 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:34:04,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054219352] [2021-07-14 08:34:04,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054219352] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:04,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570129284] [2021-07-14 08:34:04,933 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:04,961 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 08:34:04,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:34:04,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 08:34:04,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:34:05,314 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:05,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-07-14 08:34:05,846 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 08:34:05,847 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:05,847 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 08:34:05,847 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-14 08:34:05,852 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:05,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570129284] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:05,852 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:34:05,852 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-14 08:34:05,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431624212] [2021-07-14 08:34:05,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 08:34:05,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:34:05,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 08:34:05,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-07-14 08:34:05,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:05,854 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:34:05,854 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.4) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:34:05,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:05,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:05,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:05,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:05,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:05,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:05,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:05,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:05,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:05,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 08:34:05,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:06,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:06,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:06,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:06,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:06,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:06,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:06,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:06,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:06,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 08:34:06,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:34:06,388 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-07-14 08:34:06,389 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:34:06,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:34:06,393 INFO L82 PathProgramCache]: Analyzing trace with hash 2038464224, now seen corresponding path program 9 times [2021-07-14 08:34:06,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:34:06,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903060037] [2021-07-14 08:34:06,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:34:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:34:06,485 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:06,486 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:34:06,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903060037] [2021-07-14 08:34:06,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903060037] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:06,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574320523] [2021-07-14 08:34:06,486 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:06,513 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 08:34:06,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:34:06,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 08:34:06,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:34:06,570 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:06,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574320523] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:06,570 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:34:06,570 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-14 08:34:06,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103596388] [2021-07-14 08:34:06,571 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 08:34:06,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:34:06,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 08:34:06,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-07-14 08:34:06,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:06,571 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:34:06,572 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:34:06,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:06,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:06,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:06,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:06,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:06,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:06,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:06,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:06,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:06,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 08:34:06,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:34:06,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:06,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:06,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 08:34:06,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:34:06,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:34:06,925 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:06,925 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:34:06,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:34:06,926 INFO L82 PathProgramCache]: Analyzing trace with hash -540566571, now seen corresponding path program 10 times [2021-07-14 08:34:06,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:34:06,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893075364] [2021-07-14 08:34:06,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:34:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:34:07,098 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:07,098 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:34:07,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893075364] [2021-07-14 08:34:07,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893075364] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:07,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026377289] [2021-07-14 08:34:07,098 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:07,123 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 08:34:07,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:34:07,124 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-14 08:34:07,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:34:07,640 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:07,640 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 [2021-07-14 08:34:09,322 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 08:34:09,324 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:09,324 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 08:34:09,324 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-14 08:34:09,329 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:09,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026377289] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:09,329 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:34:09,329 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-14 08:34:09,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136024068] [2021-07-14 08:34:09,330 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 08:34:09,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:34:09,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 08:34:09,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-07-14 08:34:09,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:09,332 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:34:09,332 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:34:09,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:09,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:09,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:09,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:09,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:09,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:09,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:09,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:09,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:09,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 08:34:09,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:34:09,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:34:09,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:09,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 08:34:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:34:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:34:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 08:34:10,045 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-07-14 08:34:10,045 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:34:10,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:34:10,046 INFO L82 PathProgramCache]: Analyzing trace with hash 283710111, now seen corresponding path program 11 times [2021-07-14 08:34:10,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:34:10,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143032147] [2021-07-14 08:34:10,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:34:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:34:10,230 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:10,230 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:34:10,230 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143032147] [2021-07-14 08:34:10,230 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143032147] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:10,230 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664307422] [2021-07-14 08:34:10,230 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:10,260 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 08:34:10,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:34:10,261 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-14 08:34:10,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:34:10,762 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-14 08:34:10,762 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:10,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-14 08:34:11,767 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-07-14 08:34:12,533 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-07-14 08:34:12,670 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-07-14 08:34:12,973 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-14 08:34:13,251 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-14 08:34:13,556 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-07-14 08:34:13,916 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-07-14 08:34:14,541 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-14 08:34:14,660 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-14 08:34:14,874 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-07-14 08:34:15,794 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 08:34:15,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:15,795 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 08:34:15,795 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-14 08:34:15,800 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:15,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664307422] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:15,800 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:34:15,800 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-14 08:34:15,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961448426] [2021-07-14 08:34:15,801 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 08:34:15,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:34:15,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 08:34:15,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-07-14 08:34:15,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:15,802 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:34:15,802 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:34:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 08:34:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:34:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:34:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 08:34:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:16,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:16,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:16,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:16,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:16,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:16,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:16,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 08:34:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:34:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:34:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 08:34:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 08:34:16,525 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable440,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:16,525 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:34:16,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:34:16,525 INFO L82 PathProgramCache]: Analyzing trace with hash 66483477, now seen corresponding path program 12 times [2021-07-14 08:34:16,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:34:16,525 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311509340] [2021-07-14 08:34:16,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:34:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:34:16,621 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:16,621 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:34:16,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311509340] [2021-07-14 08:34:16,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311509340] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:16,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306209904] [2021-07-14 08:34:16,621 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:16,649 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 08:34:16,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:34:16,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 08:34:16,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:34:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:16,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306209904] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:16,711 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:34:16,711 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-14 08:34:16,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170696195] [2021-07-14 08:34:16,712 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 08:34:16,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:34:16,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 08:34:16,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-14 08:34:16,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:16,712 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:34:16,712 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 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) [2021-07-14 08:34:16,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:16,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:16,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:16,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:16,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 08:34:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:34:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:34:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 08:34:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 08:34:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:16,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:16,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:16,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:16,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:16,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:16,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:16,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:16,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:16,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:16,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 08:34:16,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:34:16,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:34:16,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 08:34:16,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 08:34:16,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 08:34:17,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable900,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:17,104 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:34:17,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:34:17,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1542427584, now seen corresponding path program 13 times [2021-07-14 08:34:17,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:34:17,105 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950600111] [2021-07-14 08:34:17,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:34:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:34:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:17,331 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:34:17,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950600111] [2021-07-14 08:34:17,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950600111] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:17,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546646373] [2021-07-14 08:34:17,331 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:34:17,358 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-14 08:34:17,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:34:18,018 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-14 08:34:18,018 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:18,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-14 08:34:18,927 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-07-14 08:34:19,095 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-14 08:34:19,259 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-14 08:34:19,449 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-14 08:34:19,805 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-07-14 08:34:20,002 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-07-14 08:34:20,234 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-07-14 08:34:20,416 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-07-14 08:34:20,855 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-07-14 08:34:21,570 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-07-14 08:34:21,801 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-07-14 08:34:21,908 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-07-14 08:34:22,987 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-07-14 08:34:23,412 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-07-14 08:34:23,602 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-07-14 08:34:24,421 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-07-14 08:34:24,902 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-07-14 08:34:25,337 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-07-14 08:34:25,590 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-07-14 08:34:26,321 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-14 08:34:27,059 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-14 08:34:27,864 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-07-14 08:34:28,827 WARN L205 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-07-14 08:34:28,994 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-07-14 08:34:29,782 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-07-14 08:34:30,113 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-07-14 08:34:30,523 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-07-14 08:34:30,980 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-14 08:34:31,445 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-14 08:34:31,965 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-07-14 08:34:32,502 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-07-14 08:34:32,741 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-07-14 08:34:32,934 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-07-14 08:34:33,128 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-07-14 08:34:33,836 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-07-14 08:34:34,437 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-07-14 08:34:34,706 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-07-14 08:34:35,881 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-07-14 08:34:36,368 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-07-14 08:34:37,324 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-07-14 08:34:38,148 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-07-14 08:34:39,163 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-07-14 08:34:40,162 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-14 08:34:41,155 WARN L205 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-14 08:34:42,218 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-07-14 08:34:42,377 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-07-14 08:34:42,702 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-07-14 08:34:43,400 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-07-14 08:34:43,557 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-14 08:34:43,717 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-14 08:34:43,880 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-07-14 08:34:44,060 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-07-14 08:34:44,377 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 08:34:44,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:44,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 08:34:44,379 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-14 08:34:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:44,383 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546646373] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:44,383 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 08:34:44,383 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-07-14 08:34:44,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049386501] [2021-07-14 08:34:44,384 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 08:34:44,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:34:44,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 08:34:44,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1241, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 08:34:44,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:44,384 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:34:44,385 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 36 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:34:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 08:34:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:34:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:34:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 08:34:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 08:34:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 08:34:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:34:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 08:34:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 08:34:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 08:34:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 08:34:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:34:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:34:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 08:34:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 08:34:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 08:34:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:34:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 08:34:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 08:34:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 08:34:44,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 08:34:45,208 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable901,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:45,209 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 08:34:45,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:34:45,209 INFO L82 PathProgramCache]: Analyzing trace with hash 156174646, now seen corresponding path program 14 times [2021-07-14 08:34:45,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:34:45,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835333621] [2021-07-14 08:34:45,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:34:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:34:45,429 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:34:45,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:34:45,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835333621] [2021-07-14 08:34:45,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835333621] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 08:34:45,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396160193] [2021-07-14 08:34:45,430 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 08:34:45,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 08:34:45,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 08:34:45,458 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 08:34:45,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 08:34:46,201 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-14 08:34:46,202 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 08:34:46,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-07-14 08:34:47,372 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-07-14 08:34:47,528 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-07-14 08:34:47,726 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-07-14 08:34:48,961 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-07-14 08:34:49,147 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-07-14 08:34:49,375 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-07-14 08:34:49,881 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-07-14 08:34:50,402 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-07-14 08:34:51,027 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-07-14 08:34:51,759 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-07-14 08:34:52,594 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-14 08:34:53,431 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-14 08:34:54,430 WARN L205 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-07-14 08:34:56,600 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-07-14 08:34:58,211 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-07-14 08:34:59,188 WARN L205 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-07-14 08:35:00,661 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-07-14 08:35:01,450 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-07-14 08:35:01,760 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-07-14 08:35:02,625 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-07-14 08:35:02,733 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-07-14 08:35:02,867 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-14 08:35:03,837 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-07-14 08:35:04,019 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-07-14 08:35:04,211 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-07-14 08:35:05,006 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-07-14 08:35:05,314 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-07-14 08:35:05,697 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-07-14 08:35:06,767 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-07-14 08:35:06,922 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-07-14 08:35:07,413 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-07-14 08:35:07,882 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-07-14 08:35:08,032 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-07-14 08:35:08,237 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-07-14 08:35:08,391 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-07-14 08:35:08,989 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-07-14 08:35:09,262 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-07-14 08:35:09,382 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-07-14 08:35:09,531 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-07-14 08:35:09,690 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-07-14 08:35:10,864 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-07-14 08:35:11,026 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-07-14 08:35:11,245 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-07-14 08:35:11,558 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-07-14 08:35:12,849 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-07-14 08:35:13,002 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-07-14 08:35:13,446 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-07-14 08:35:14,464 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-07-14 08:35:15,876 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-07-14 08:35:16,036 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-07-14 08:35:16,235 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-07-14 08:35:16,377 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-14 08:35:17,187 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-07-14 08:35:17,351 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-07-14 08:35:18,601 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-07-14 08:35:18,838 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-07-14 08:35:19,376 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 158 [2021-07-14 08:35:19,943 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-07-14 08:35:20,137 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-07-14 08:35:20,610 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-07-14 08:35:21,212 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-07-14 08:35:21,919 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-07-14 08:35:23,235 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-07-14 08:35:23,384 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-07-14 08:35:23,611 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-07-14 08:35:23,880 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-07-14 08:35:24,553 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-07-14 08:35:24,991 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-07-14 08:35:25,233 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-07-14 08:35:26,086 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-07-14 08:35:26,442 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-07-14 08:35:27,365 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-07-14 08:35:27,520 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-07-14 08:35:28,136 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-07-14 08:35:28,850 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-07-14 08:35:30,084 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-07-14 08:35:32,127 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-07-14 08:35:33,045 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-07-14 08:35:33,202 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-07-14 08:35:33,820 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-07-14 08:35:34,486 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-07-14 08:35:34,839 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-07-14 08:35:34,975 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-14 08:35:35,905 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-07-14 08:35:36,707 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-07-14 08:35:36,898 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-07-14 08:35:37,295 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-07-14 08:35:38,280 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-07-14 08:35:39,278 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-07-14 08:35:39,523 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-07-14 08:35:40,046 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-07-14 08:35:40,465 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-07-14 08:35:40,886 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-07-14 08:35:41,681 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-07-14 08:35:42,011 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-07-14 08:35:42,805 WARN L205 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-07-14 08:35:43,787 WARN L205 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-07-14 08:35:45,265 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-07-14 08:35:47,546 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-07-14 08:35:52,273 WARN L205 SmtUtils]: Spent 4.72 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-07-14 08:35:58,632 WARN L205 SmtUtils]: Spent 6.34 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-07-14 08:36:06,562 WARN L205 SmtUtils]: Spent 7.91 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-07-14 08:36:15,816 WARN L205 SmtUtils]: Spent 9.24 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-07-14 08:36:17,058 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-07-14 08:36:17,866 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-07-14 08:36:18,026 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-07-14 08:36:18,256 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-07-14 08:36:19,442 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-07-14 08:36:19,913 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-07-14 08:36:20,539 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-14 08:36:20,657 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-14 08:36:21,128 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-07-14 08:36:21,556 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-07-14 08:36:21,792 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-14 08:36:22,033 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-14 08:36:22,461 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-07-14 08:36:23,191 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-07-14 08:36:23,885 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-07-14 08:36:24,064 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-07-14 08:36:24,893 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-07-14 08:36:25,132 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-07-14 08:36:25,576 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-07-14 08:36:26,819 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-07-14 08:36:28,304 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-07-14 08:36:28,717 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-07-14 08:36:28,846 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-07-14 08:36:29,061 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-07-14 08:36:29,691 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-14 08:36:29,967 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-07-14 08:36:30,522 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-07-14 08:36:31,042 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-07-14 08:36:31,600 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-07-14 08:36:32,481 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-07-14 08:36:32,850 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-07-14 08:36:33,624 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-07-14 08:36:34,259 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-07-14 08:36:34,402 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-14 08:36:34,643 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-07-14 08:36:35,836 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-07-14 08:36:36,363 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-07-14 08:36:36,707 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-07-14 08:36:37,908 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-07-14 08:36:39,310 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-07-14 08:36:42,487 WARN L205 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-07-14 08:36:42,601 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-14 08:36:42,745 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-07-14 08:36:42,852 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-07-14 08:36:43,678 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-07-14 08:36:44,521 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-07-14 08:36:44,708 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-07-14 08:36:44,902 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-07-14 08:36:45,078 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-07-14 08:36:45,386 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-07-14 08:36:45,739 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-07-14 08:36:45,909 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-07-14 08:36:46,184 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-07-14 08:36:46,627 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-07-14 08:36:46,806 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-07-14 08:36:47,051 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-07-14 08:36:47,197 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-07-14 08:36:47,803 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-07-14 08:36:48,168 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-07-14 08:36:48,347 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-07-14 08:36:48,619 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-07-14 08:36:49,015 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-07-14 08:36:49,612 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-07-14 08:36:49,743 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-07-14 08:36:50,654 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-07-14 08:36:51,584 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-07-14 08:36:51,794 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-14 08:36:52,009 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-14 08:36:52,352 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-07-14 08:36:52,841 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-07-14 08:36:53,771 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-07-14 08:36:54,012 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-07-14 08:36:54,482 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-07-14 08:36:55,673 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-07-14 08:37:00,741 WARN L205 SmtUtils]: Spent 5.06 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-07-14 08:37:06,509 WARN L205 SmtUtils]: Spent 5.76 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-07-14 08:37:13,599 WARN L205 SmtUtils]: Spent 7.08 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-07-14 08:37:22,100 WARN L205 SmtUtils]: Spent 8.48 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-07-14 08:37:23,016 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-07-14 08:37:23,825 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-07-14 08:37:23,984 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-07-14 08:37:24,994 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-07-14 08:37:25,145 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-07-14 08:37:25,315 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-07-14 08:37:25,589 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-07-14 08:37:26,428 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-07-14 08:37:26,929 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-07-14 08:37:27,625 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-07-14 08:37:28,434 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-07-14 08:37:30,029 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-07-14 08:37:30,175 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-07-14 08:37:30,389 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-07-14 08:37:31,082 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-07-14 08:37:31,810 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-07-14 08:37:32,187 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-07-14 08:37:32,722 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-07-14 08:37:34,227 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-07-14 08:37:35,851 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-07-14 08:37:37,710 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-07-14 08:37:49,320 WARN L205 SmtUtils]: Spent 11.60 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-07-14 08:38:12,010 WARN L205 SmtUtils]: Spent 22.67 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-07-14 08:38:37,200 WARN L205 SmtUtils]: Spent 25.16 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-07-14 08:38:38,303 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-07-14 08:38:38,452 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-07-14 08:38:39,796 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-07-14 08:38:39,993 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-07-14 08:38:40,392 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-07-14 08:38:40,870 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-07-14 08:39:09,458 WARN L205 SmtUtils]: Spent 28.57 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-07-14 08:39:41,836 WARN L205 SmtUtils]: Spent 32.34 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-14 08:40:14,263 WARN L205 SmtUtils]: Spent 32.39 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-14 08:40:50,350 WARN L205 SmtUtils]: Spent 36.06 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-07-14 08:41:44,398 WARN L205 SmtUtils]: Spent 54.01 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-07-14 08:42:38,264 WARN L205 SmtUtils]: Spent 53.83 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-07-14 08:43:34,329 WARN L205 SmtUtils]: Spent 56.03 s on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-07-14 08:43:41,548 WARN L205 SmtUtils]: Spent 7.20 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-07-14 08:43:54,108 WARN L205 SmtUtils]: Spent 12.55 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-07-14 08:43:54,359 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-07-14 08:44:02,463 WARN L205 SmtUtils]: Spent 8.10 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-07-14 08:44:02,951 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-07-14 08:44:03,311 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-07-14 08:44:07,903 WARN L205 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-07-14 08:44:08,012 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-14 08:44:08,116 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-07-14 08:44:09,125 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-07-14 08:44:09,558 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-07-14 08:44:09,846 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-07-14 08:44:10,888 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-07-14 08:44:11,453 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-07-14 08:44:11,800 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-07-14 08:44:12,847 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-07-14 08:44:13,117 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-07-14 08:44:13,478 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-07-14 08:44:13,949 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-07-14 08:44:15,012 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-07-14 08:44:15,229 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-07-14 08:44:16,433 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-07-14 08:44:16,593 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-07-14 08:44:17,088 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-07-14 08:44:17,426 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-07-14 08:44:17,534 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-07-14 08:44:19,092 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-07-14 08:44:19,522 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-07-14 08:44:19,794 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-07-14 08:44:20,158 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-07-14 08:44:20,999 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-07-14 08:44:23,088 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-07-14 08:44:25,613 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-07-14 08:44:28,592 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-07-14 08:44:33,719 WARN L205 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-07-14 08:44:34,093 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-07-14 08:44:34,289 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-07-14 08:44:35,585 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-07-14 08:44:35,819 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-07-14 08:44:36,168 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-07-14 08:44:41,802 WARN L205 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-07-14 08:44:42,379 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-07-14 08:44:43,068 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-07-14 08:44:43,213 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-07-14 08:44:43,430 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-07-14 08:44:44,216 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-07-14 08:44:44,358 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-14 08:44:45,129 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-07-14 08:44:45,320 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-07-14 08:44:45,669 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-07-14 08:44:46,289 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-07-14 08:44:47,095 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-07-14 08:44:54,292 WARN L205 SmtUtils]: Spent 7.19 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-07-14 08:45:02,652 WARN L205 SmtUtils]: Spent 8.34 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-07-14 08:45:19,425 WARN L205 SmtUtils]: Spent 16.74 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-07-14 08:45:44,424 WARN L205 SmtUtils]: Spent 24.96 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-07-14 08:46:53,142 WARN L205 SmtUtils]: Spent 1.14 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-07-14 08:47:10,479 WARN L205 SmtUtils]: Spent 17.32 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-07-14 08:47:10,880 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-07-14 08:47:11,097 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-07-14 08:47:12,160 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-07-14 08:47:12,396 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-07-14 08:47:12,534 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-07-14 08:47:13,317 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-07-14 08:47:13,531 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-07-14 08:47:13,811 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-07-14 08:47:14,608 WARN L205 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-07-14 08:47:15,289 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 [2021-07-14 08:47:31,792 WARN L205 SmtUtils]: Spent 16.49 s on a formula simplification. DAG size of input: 1500 DAG size of output: 2098 [2021-07-14 08:47:38,762 WARN L205 SmtUtils]: Spent 6.96 s on a formula simplification. DAG size of input: 1251 DAG size of output: 1697 [2021-07-14 08:47:43,329 WARN L205 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 1076 DAG size of output: 1519 [2021-07-14 08:47:43,613 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 1018 [2021-07-14 08:47:43,858 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 907 [2021-07-14 08:47:44,092 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 867 [2021-07-14 08:47:44,210 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2021-07-14 08:47:45,224 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 223 [2021-07-14 08:47:45,454 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 267 [2021-07-14 08:47:45,706 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 332 [2021-07-14 08:47:45,818 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 562 [2021-07-14 08:47:46,530 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 219 [2021-07-14 08:47:46,787 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 266 [2021-07-14 08:47:47,003 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 321 [2021-07-14 08:47:47,510 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 444 [2021-07-14 08:47:48,169 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 484 [2021-07-14 08:47:48,981 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 563 [2021-07-14 08:47:49,230 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 1043 [2021-07-14 08:47:49,465 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 927 [2021-07-14 08:47:50,749 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 262 [2021-07-14 08:47:50,927 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 298 [2021-07-14 08:47:51,172 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 342 [2021-07-14 08:47:52,325 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 210 [2021-07-14 08:47:52,459 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 247 [2021-07-14 08:47:52,636 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 281 [2021-07-14 08:47:52,911 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 352 [2021-07-14 08:47:53,476 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 494 [2021-07-14 08:47:54,187 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 574 [2021-07-14 08:47:55,132 WARN L205 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 659 [2021-07-14 08:47:57,036 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1647 DAG size of output: 921 [2021-07-14 08:47:57,341 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 913 [2021-07-14 08:47:57,707 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 851 [2021-07-14 08:47:57,841 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2021-07-14 08:47:58,390 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 441 [2021-07-14 08:47:59,004 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 265 [2021-07-14 08:47:59,673 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 212 [2021-07-14 08:47:59,879 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 228 [2021-07-14 08:48:00,120 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 285 [2021-07-14 08:48:00,434 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 336 [2021-07-14 08:48:00,866 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 408 [2021-07-14 08:48:01,002 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 564 [2021-07-14 08:48:01,371 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2021-07-14 08:48:02,507 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 234 [2021-07-14 08:48:02,711 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 269 [2021-07-14 08:48:02,923 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 301 [2021-07-14 08:48:03,222 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 360 [2021-07-14 08:48:03,631 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 438 [2021-07-14 08:48:04,570 WARN L205 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 593 [2021-07-14 08:48:05,728 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1129 DAG size of output: 652 [2021-07-14 08:48:09,234 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 2503 DAG size of output: 1315 [2021-07-14 08:48:15,025 WARN L205 SmtUtils]: Spent 5.78 s on a formula simplification. DAG size of input: 3337 DAG size of output: 1964 [2021-07-14 08:48:15,273 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 292 [2021-07-14 08:48:15,440 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 226 [2021-07-14 08:48:16,352 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 288 [2021-07-14 08:48:16,570 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 297 [2021-07-14 08:48:22,666 WARN L205 SmtUtils]: Spent 6.09 s on a formula simplification. DAG size of input: 3593 DAG size of output: 2151 [2021-07-14 08:48:30,410 WARN L205 SmtUtils]: Spent 7.72 s on a formula simplification. DAG size of input: 4090 DAG size of output: 2444 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown