/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-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 14:41:15,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 14:41:15,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 14:41:15,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 14:41:15,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 14:41:15,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 14:41:15,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 14:41:15,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 14:41:15,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 14:41:15,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 14:41:15,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 14:41:15,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 14:41:15,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 14:41:15,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 14:41:15,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 14:41:15,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 14:41:15,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 14:41:15,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 14:41:15,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 14:41:15,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 14:41:15,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 14:41:15,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 14:41:15,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 14:41:15,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 14:41:15,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 14:41:15,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 14:41:15,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 14:41:15,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 14:41:15,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 14:41:15,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 14:41:15,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 14:41:15,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 14:41:15,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 14:41:15,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 14:41:15,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 14:41:15,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 14:41:15,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 14:41:15,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 14:41:15,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 14:41:15,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 14:41:15,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 14:41:15,422 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf [2021-07-10 14:41:15,436 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 14:41:15,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 14:41:15,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 14:41:15,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 14:41:15,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 14:41:15,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 14:41:15,438 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 14:41:15,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 14:41:15,438 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 14:41:15,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 14:41:15,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 14:41:15,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 14:41:15,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 14:41:15,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 14:41:15,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 14:41:15,439 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 14:41:15,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 14:41:15,439 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 14:41:15,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 14:41:15,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 14:41:15,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 14:41:15,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 14:41:15,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 14:41:15,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 14:41:15,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 14:41:15,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 14:41:15,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 14:41:15,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 14:41:15,440 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 14:41:15,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 14:41:15,440 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 14:41:15,440 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 14:41:15,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 14:41:15,440 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 14:41:15,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 14:41:15,458 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 14:41:15,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 14:41:15,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 14:41:15,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 14:41:15,699 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 14:41:15,699 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 14:41:15,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-07-10 14:41:15,700 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-07-10 14:41:15,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 14:41:15,722 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 14:41:15,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 14:41:15,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 14:41:15,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 14:41:15,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:15" (1/1) ... [2021-07-10 14:41:15,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:15" (1/1) ... [2021-07-10 14:41:15,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 14:41:15,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 14:41:15,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 14:41:15,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 14:41:15,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:15" (1/1) ... [2021-07-10 14:41:15,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:15" (1/1) ... [2021-07-10 14:41:15,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:15" (1/1) ... [2021-07-10 14:41:15,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:15" (1/1) ... [2021-07-10 14:41:15,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:15" (1/1) ... [2021-07-10 14:41:15,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:15" (1/1) ... [2021-07-10 14:41:15,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:15" (1/1) ... [2021-07-10 14:41:15,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 14:41:15,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 14:41:15,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 14:41:15,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 14:41:15,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 14:41:15,806 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 14:41:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 14:41:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 14:41:15,806 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 14:41:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 14:41:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 14:41:15,806 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 14:41:15,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 14:41:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 14:41:15,807 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 14:41:16,090 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 14:41:16,091 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 14:41:16,091 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 14:41:16,091 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 14:41:16,093 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:41:16 BoogieIcfgContainer [2021-07-10 14:41:16,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 14:41:16,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 14:41:16,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 14:41:16,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 14:41:16,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:15" (1/2) ... [2021-07-10 14:41:16,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e0e3cc and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:41:16, skipping insertion in model container [2021-07-10 14:41:16,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:41:16" (2/2) ... [2021-07-10 14:41:16,097 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-07-10 14:41:16,101 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 14:41:16,101 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 14:41:16,101 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 14:41:16,102 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 14:41:16,142 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 14:41:16,157 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 [2021-07-10 14:41:16,215 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 14:41:16,215 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 14:41:16,215 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 14:41:16,216 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 14:41:16,216 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 14:41:16,216 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 14:41:16,216 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 14:41:16,216 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 14:41:16,275 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:16,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:16,282 INFO L82 PathProgramCache]: Analyzing trace with hash 355583861, now seen corresponding path program 1 times [2021-07-10 14:41:16,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:16,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627486887] [2021-07-10 14:41:16,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:16,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:16,407 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:16,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627486887] [2021-07-10 14:41:16,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627486887] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:41:16,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:41:16,408 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 14:41:16,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459900342] [2021-07-10 14:41:16,411 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 14:41:16,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:16,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 14:41:16,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 14:41:16,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:16,421 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:16,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:16,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:16,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:16,440 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 14:41:16,441 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:16,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:16,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1896913301, now seen corresponding path program 1 times [2021-07-10 14:41:16,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:16,444 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102650010] [2021-07-10 14:41:16,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:16,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:16,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:16,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102650010] [2021-07-10 14:41:16,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102650010] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:41:16,474 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:41:16,474 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 14:41:16,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79017099] [2021-07-10 14:41:16,475 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 14:41:16,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:16,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 14:41:16,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 14:41:16,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:16,476 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:16,476 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:16,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:16,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:16,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:16,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:16,511 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 14:41:16,512 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:16,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:16,512 INFO L82 PathProgramCache]: Analyzing trace with hash -952151318, now seen corresponding path program 1 times [2021-07-10 14:41:16,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:16,513 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798300622] [2021-07-10 14:41:16,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:16,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:16,537 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:16,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798300622] [2021-07-10 14:41:16,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798300622] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:16,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369504763] [2021-07-10 14:41:16,537 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 [2021-07-10 14:41:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:16,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 14:41:16,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:16,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:16,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369504763] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:16,632 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:16,632 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-10 14:41:16,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82571234] [2021-07-10 14:41:16,633 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 14:41:16,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:16,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 14:41:16,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 14:41:16,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:16,634 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:16,634 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-07-10 14:41:16,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:16,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:16,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:16,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:16,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:16,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:16,881 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:16,881 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:16,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:16,882 INFO L82 PathProgramCache]: Analyzing trace with hash 512969110, now seen corresponding path program 1 times [2021-07-10 14:41:16,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:16,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217977614] [2021-07-10 14:41:16,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:16,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:16,920 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:16,921 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217977614] [2021-07-10 14:41:16,921 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217977614] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:16,921 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504805153] [2021-07-10 14:41:16,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-07-10 14:41:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:16,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 14:41:16,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:17,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:17,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504805153] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:17,009 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:17,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-10 14:41:17,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615717863] [2021-07-10 14:41:17,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 14:41:17,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:17,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 14:41:17,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-10 14:41:17,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:17,011 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:17,011 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) [2021-07-10 14:41:17,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:17,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:17,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:17,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:17,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:17,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:17,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:17,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:17,257 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:17,258 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:17,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:17,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1312937878, now seen corresponding path program 2 times [2021-07-10 14:41:17,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:17,259 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846792462] [2021-07-10 14:41:17,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:17,323 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:17,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846792462] [2021-07-10 14:41:17,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846792462] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:17,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711635667] [2021-07-10 14:41:17,324 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 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 [2021-07-10 14:41:17,366 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:41:17,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:17,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 14:41:17,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:17,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:17,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711635667] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:17,459 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:17,459 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-10 14:41:17,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292959023] [2021-07-10 14:41:17,460 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 14:41:17,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:17,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 14:41:17,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-07-10 14:41:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:17,461 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:17,461 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) [2021-07-10 14:41:17,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:17,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:17,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:17,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:17,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:17,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:17,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:17,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:17,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:17,706 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:17,706 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:17,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:17,707 INFO L82 PathProgramCache]: Analyzing trace with hash -2081479658, now seen corresponding path program 3 times [2021-07-10 14:41:17,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:17,707 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556959214] [2021-07-10 14:41:17,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:17,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:17,781 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:17,781 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556959214] [2021-07-10 14:41:17,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556959214] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:17,781 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542319518] [2021-07-10 14:41:17,781 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 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 [2021-07-10 14:41:17,828 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 14:41:17,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:17,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 14:41:17,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:17,940 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:17,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542319518] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:17,940 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:17,940 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-07-10 14:41:17,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454415746] [2021-07-10 14:41:17,941 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 14:41:17,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:17,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 14:41:17,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-07-10 14:41:17,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:17,941 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:17,941 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) [2021-07-10 14:41:17,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:17,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:17,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:17,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:17,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:17,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:17,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:17,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:17,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:17,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:17,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:17,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:18,202 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-10 14:41:18,203 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:18,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:18,203 INFO L82 PathProgramCache]: Analyzing trace with hash -136471062, now seen corresponding path program 4 times [2021-07-10 14:41:18,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:18,204 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470283995] [2021-07-10 14:41:18,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:18,247 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:18,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470283995] [2021-07-10 14:41:18,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470283995] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:18,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175572866] [2021-07-10 14:41:18,247 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 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 [2021-07-10 14:41:18,280 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:41:18,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:18,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 14:41:18,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:18,428 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:41:18,429 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 [2021-07-10 14:41:18,467 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:41:18,469 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:41:18,469 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:41:18,470 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-10 14:41:18,475 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:18,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175572866] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:18,475 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:18,476 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-10 14:41:18,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198477732] [2021-07-10 14:41:18,476 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 14:41:18,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:18,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 14:41:18,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-07-10 14:41:18,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:18,477 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:18,477 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:18,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:18,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:18,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:18,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:18,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:18,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:18,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:18,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:18,727 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:18,727 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:18,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:18,728 INFO L82 PathProgramCache]: Analyzing trace with hash 29253270, now seen corresponding path program 5 times [2021-07-10 14:41:18,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:18,728 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158420433] [2021-07-10 14:41:18,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:18,775 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:18,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158420433] [2021-07-10 14:41:18,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158420433] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:18,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68992328] [2021-07-10 14:41:18,776 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 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 [2021-07-10 14:41:18,801 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 14:41:18,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:18,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 14:41:18,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:18,852 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:18,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68992328] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:18,853 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:18,853 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-10 14:41:18,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569495029] [2021-07-10 14:41:18,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 14:41:18,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:18,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 14:41:18,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-07-10 14:41:18,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:18,854 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:18,854 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:18,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:18,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:18,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:18,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:18,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:18,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:18,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:18,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:18,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:18,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:18,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:18,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:18,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:18,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:18,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:18,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:19,164 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-10 14:41:19,165 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:19,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:19,165 INFO L82 PathProgramCache]: Analyzing trace with hash 2134242197, now seen corresponding path program 6 times [2021-07-10 14:41:19,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:19,166 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789168909] [2021-07-10 14:41:19,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:19,224 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:19,225 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:19,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789168909] [2021-07-10 14:41:19,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789168909] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:19,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991320884] [2021-07-10 14:41:19,225 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 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 [2021-07-10 14:41:19,277 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-10 14:41:19,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:19,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 14:41:19,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:19,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991320884] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:19,332 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:19,332 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-10 14:41:19,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132951274] [2021-07-10 14:41:19,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 14:41:19,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:19,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 14:41:19,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-10 14:41:19,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:19,333 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:19,333 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:19,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:19,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:19,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:19,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:19,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:19,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:19,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:19,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:19,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:19,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:19,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:19,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-10 14:41:19,597 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:19,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:19,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1701887563, now seen corresponding path program 7 times [2021-07-10 14:41:19,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:19,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202060862] [2021-07-10 14:41:19,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:19,668 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:19,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:19,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202060862] [2021-07-10 14:41:19,669 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202060862] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:19,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401654081] [2021-07-10 14:41:19,669 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 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 [2021-07-10 14:41:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:19,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 14:41:19,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:19,778 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:19,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401654081] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:19,778 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:19,778 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-07-10 14:41:19,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646521784] [2021-07-10 14:41:19,779 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 14:41:19,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:19,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 14:41:19,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-07-10 14:41:19,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:19,779 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:19,779 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:19,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:19,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:19,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:19,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:19,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:19,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:19,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:19,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:19,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:19,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:20,029 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-10 14:41:20,030 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:20,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:20,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1183795797, now seen corresponding path program 8 times [2021-07-10 14:41:20,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:20,030 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390638808] [2021-07-10 14:41:20,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:20,131 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:41:20,131 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:20,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390638808] [2021-07-10 14:41:20,131 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390638808] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:20,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175225337] [2021-07-10 14:41:20,132 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 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 [2021-07-10 14:41:20,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:41:20,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:20,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 14:41:20,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:20,231 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:41:20,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175225337] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:20,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:20,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2021-07-10 14:41:20,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692437061] [2021-07-10 14:41:20,233 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 14:41:20,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:20,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 14:41:20,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-10 14:41:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:20,234 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:20,234 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.75) internal successors, (28), 15 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:20,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:20,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:20,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:20,606 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-10 14:41:20,606 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:20,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:20,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1992147061, now seen corresponding path program 9 times [2021-07-10 14:41:20,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:20,607 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471667727] [2021-07-10 14:41:20,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:20,703 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:41:20,704 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:20,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471667727] [2021-07-10 14:41:20,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471667727] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:20,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663162426] [2021-07-10 14:41:20,704 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 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 [2021-07-10 14:41:20,741 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 14:41:20,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:20,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 14:41:20,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:41:20,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663162426] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:20,838 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:20,838 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2021-07-10 14:41:20,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104352959] [2021-07-10 14:41:20,838 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 14:41:20,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:20,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 14:41:20,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-07-10 14:41:20,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:20,839 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:20,839 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:20,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:20,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:20,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:20,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:20,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:20,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:20,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:20,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:20,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:20,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:20,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:20,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:21,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:21,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:21,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:21,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:21,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:21,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:21,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:21,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:21,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:21,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:21,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:21,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:21,209 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:21,210 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:21,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:21,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1662127851, now seen corresponding path program 10 times [2021-07-10 14:41:21,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:21,210 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405968664] [2021-07-10 14:41:21,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:21,272 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:21,273 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:21,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405968664] [2021-07-10 14:41:21,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405968664] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:21,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625404879] [2021-07-10 14:41:21,273 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 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 [2021-07-10 14:41:21,301 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:41:21,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:21,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-10 14:41:21,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:21,557 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:41:21,557 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 [2021-07-10 14:41:22,176 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 263 [2021-07-10 14:41:22,461 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-07-10 14:41:23,859 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:41:23,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:41:23,861 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:41:23,861 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-10 14:41:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:23,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625404879] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:23,868 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:23,868 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-07-10 14:41:23,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143398555] [2021-07-10 14:41:23,869 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 14:41:23,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:23,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 14:41:23,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-10 14:41:23,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:23,870 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:23,870 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:23,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:23,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:24,205 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:24,205 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:24,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:24,205 INFO L82 PathProgramCache]: Analyzing trace with hash -21466933, now seen corresponding path program 11 times [2021-07-10 14:41:24,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:24,206 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857618740] [2021-07-10 14:41:24,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:24,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:24,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857618740] [2021-07-10 14:41:24,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857618740] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:24,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187070052] [2021-07-10 14:41:24,283 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 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 [2021-07-10 14:41:24,309 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 14:41:24,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:24,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 14:41:24,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:24,361 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:24,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187070052] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:24,361 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:24,361 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-10 14:41:24,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432748080] [2021-07-10 14:41:24,361 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 14:41:24,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:24,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 14:41:24,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-07-10 14:41:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:24,362 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:24,362 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:24,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:24,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:24,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:24,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:24,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:24,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:24,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:24,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:24,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:24,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:24,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:24,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:24,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:24,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:41:24,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable315 [2021-07-10 14:41:24,769 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:24,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:24,769 INFO L82 PathProgramCache]: Analyzing trace with hash 474967626, now seen corresponding path program 12 times [2021-07-10 14:41:24,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:24,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776276712] [2021-07-10 14:41:24,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:24,865 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:24,865 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776276712] [2021-07-10 14:41:24,865 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776276712] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:24,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819464720] [2021-07-10 14:41:24,866 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 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 [2021-07-10 14:41:24,891 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 14:41:24,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:24,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 14:41:24,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:24,943 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:24,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819464720] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:24,943 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:24,943 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-10 14:41:24,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213162581] [2021-07-10 14:41:24,946 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 14:41:24,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:24,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 14:41:24,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-10 14:41:24,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:24,946 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:24,946 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:24,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:24,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:24,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:24,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:24,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:24,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:24,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:24,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:24,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:24,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:24,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:24,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:24,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:24,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:41:24,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:25,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:25,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:25,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:25,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:25,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:25,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:25,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:41:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:41:25,263 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable316,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:25,263 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:25,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:25,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1803983414, now seen corresponding path program 13 times [2021-07-10 14:41:25,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:25,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139492575] [2021-07-10 14:41:25,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:25,390 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 3 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:25,391 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:25,391 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139492575] [2021-07-10 14:41:25,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139492575] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:25,391 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138406331] [2021-07-10 14:41:25,391 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 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 [2021-07-10 14:41:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:25,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 14:41:25,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:25,517 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:25,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138406331] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:25,517 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:25,517 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 17 [2021-07-10 14:41:25,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403701667] [2021-07-10 14:41:25,518 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 14:41:25,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:25,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 14:41:25,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-07-10 14:41:25,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:25,518 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:25,519 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:41:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:41:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:25,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:25,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:25,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:25,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:25,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:25,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:25,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:25,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:25,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:25,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:25,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:25,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:25,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:25,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:41:25,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:41:25,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:25,785 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable317,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:25,785 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:25,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:25,785 INFO L82 PathProgramCache]: Analyzing trace with hash 53799882, now seen corresponding path program 14 times [2021-07-10 14:41:25,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:25,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235411730] [2021-07-10 14:41:25,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:41:25,923 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:25,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235411730] [2021-07-10 14:41:25,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235411730] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:25,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389900883] [2021-07-10 14:41:25,923 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 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 [2021-07-10 14:41:25,951 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:41:25,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:25,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 14:41:25,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:26,202 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:26,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389900883] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:26,202 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:26,202 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-07-10 14:41:26,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422515184] [2021-07-10 14:41:26,202 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 14:41:26,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:26,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 14:41:26,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=533, Unknown=0, NotChecked=0, Total=702 [2021-07-10 14:41:26,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:26,203 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:26,203 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:26,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:26,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:26,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:26,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:26,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:26,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:41:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:41:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:26,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:26,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:26,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:26,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:26,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:41:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:41:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 14:41:26,851 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable318,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:26,851 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:26,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:26,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1632685238, now seen corresponding path program 15 times [2021-07-10 14:41:26,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:26,851 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377150219] [2021-07-10 14:41:26,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:27,007 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:41:27,007 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:27,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377150219] [2021-07-10 14:41:27,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377150219] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:27,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348149284] [2021-07-10 14:41:27,007 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 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 [2021-07-10 14:41:27,060 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 14:41:27,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:27,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-10 14:41:27,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:27,251 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 14:41:27,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348149284] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:27,251 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:27,251 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2021-07-10 14:41:27,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315283788] [2021-07-10 14:41:27,251 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 14:41:27,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:27,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 14:41:27,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2021-07-10 14:41:27,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:27,252 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:27,252 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 25 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:27,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:27,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:27,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:27,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:27,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:27,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:27,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:41:27,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:41:27,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:27,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 14:41:27,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:41:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:41:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 14:41:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:41:27,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable319 [2021-07-10 14:41:27,853 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:27,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:27,853 INFO L82 PathProgramCache]: Analyzing trace with hash -961476278, now seen corresponding path program 16 times [2021-07-10 14:41:27,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:27,853 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861380850] [2021-07-10 14:41:27,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:27,968 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:27,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861380850] [2021-07-10 14:41:27,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861380850] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:27,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562150356] [2021-07-10 14:41:27,968 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:27,995 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:41:27,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:27,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-10 14:41:27,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:28,668 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-10 14:41:28,669 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:41:28,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-07-10 14:41:29,533 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-10 14:41:29,684 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-10 14:41:30,901 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-10 14:41:31,149 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-10 14:41:31,599 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-10 14:41:32,171 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-10 14:41:32,987 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-10 14:41:33,159 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-10 14:41:33,379 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-10 14:41:34,113 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-10 14:41:34,782 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-10 14:41:35,063 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-10 14:41:35,414 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-10 14:41:35,842 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-10 14:41:36,571 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-10 14:41:37,427 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-10 14:41:38,929 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-10 14:41:40,019 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-10 14:41:40,227 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-10 14:41:41,016 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-10 14:41:41,394 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-10 14:41:41,852 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-10 14:41:42,589 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-10 14:41:42,740 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-10 14:41:42,923 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-10 14:41:43,492 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 370 [2021-07-10 14:41:44,052 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-07-10 14:41:44,292 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-10 14:41:44,597 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-10 14:41:44,971 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-10 14:41:45,609 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-10 14:41:46,351 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-10 14:41:47,663 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-10 14:41:50,921 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-10 14:41:54,698 WARN L205 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-10 14:41:58,972 WARN L205 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-10 14:42:03,266 WARN L205 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-10 14:42:08,405 WARN L205 SmtUtils]: Spent 5.13 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-10 14:42:13,200 WARN L205 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-10 14:42:18,332 WARN L205 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-10 14:42:26,292 WARN L205 SmtUtils]: Spent 7.94 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-10 14:42:26,468 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-10 14:42:27,539 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-10 14:42:29,415 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-10 14:42:35,933 WARN L205 SmtUtils]: Spent 6.50 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-10 14:42:36,240 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-10 14:42:36,523 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-10 14:42:37,492 WARN L205 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-10 14:42:37,767 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-10 14:42:39,253 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-10 14:42:39,473 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-10 14:42:39,776 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-10 14:42:40,238 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-10 14:42:41,198 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-10 14:42:41,534 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-10 14:42:41,841 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-10 14:42:42,298 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-10 14:42:43,336 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-10 14:42:44,643 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-10 14:42:44,922 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-10 14:42:45,860 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-10 14:42:46,107 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-10 14:42:46,425 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-10 14:42:47,327 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-10 14:42:47,531 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-10 14:42:47,792 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-10 14:42:48,129 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-10 14:42:48,860 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-10 14:42:49,813 WARN L205 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-10 14:42:50,692 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-10 14:42:50,862 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-10 14:42:51,101 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-10 14:42:51,404 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-10 14:42:52,428 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-10 14:42:52,619 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-10 14:42:52,833 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-10 14:42:53,111 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-10 14:42:53,465 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-10 14:42:54,194 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-10 14:42:56,032 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-10 14:42:58,993 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-10 14:43:02,395 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-10 14:43:06,810 WARN L205 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-10 14:43:07,916 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-10 14:43:08,291 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-10 14:43:08,873 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-10 14:43:09,894 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-10 14:43:10,093 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-10 14:43:10,361 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-10 14:43:10,748 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-10 14:43:10,936 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-10 14:43:11,903 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-10 14:43:12,089 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-10 14:43:12,984 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-10 14:43:13,145 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-10 14:43:13,527 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-10 14:43:14,061 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-10 14:43:14,818 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-10 14:43:16,027 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-10 14:43:17,703 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-10 14:43:18,378 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-10 14:43:18,979 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-10 14:43:19,362 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-10 14:43:19,479 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-10 14:43:21,145 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-10 14:43:21,307 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-10 14:43:21,600 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-10 14:43:22,219 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-10 14:43:23,151 WARN L205 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-10 14:43:24,509 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-10 14:43:27,874 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-10 14:43:31,753 WARN L205 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-10 14:43:37,216 WARN L205 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-10 14:43:48,218 WARN L205 SmtUtils]: Spent 10.99 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-10 14:43:49,465 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-10 14:43:50,043 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-10 14:43:50,827 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-10 14:43:51,319 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-10 14:43:52,131 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-10 14:43:52,332 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-10 14:43:52,559 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-10 14:43:53,458 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-10 14:43:54,264 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-10 14:43:55,164 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-10 14:43:56,213 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-10 14:43:56,637 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-10 14:43:57,416 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-10 14:43:58,375 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-10 14:43:59,568 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-10 14:44:00,838 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-10 14:44:02,699 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-10 14:44:05,221 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-10 14:44:06,031 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-10 14:44:06,393 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-10 14:44:06,680 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-10 14:44:07,898 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-10 14:44:08,769 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-10 14:44:09,041 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-10 14:44:09,430 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-10 14:44:10,142 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-10 14:44:11,190 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-10 14:44:11,371 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-10 14:44:12,046 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-10 14:44:12,221 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-10 14:44:12,501 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-10 14:44:13,754 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-10 14:44:15,584 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-10 14:44:20,377 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-10 14:44:26,985 WARN L205 SmtUtils]: Spent 6.60 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-10 14:44:34,439 WARN L205 SmtUtils]: Spent 7.44 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-10 14:44:35,105 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-10 14:44:35,787 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-10 14:44:35,957 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-10 14:44:36,654 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-10 14:44:37,578 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-10 14:44:37,737 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-10 14:44:37,954 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-10 14:44:38,252 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-10 14:44:38,623 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-10 14:44:39,080 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-10 14:44:39,621 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-10 14:44:40,874 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-10 14:44:41,130 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-10 14:44:41,458 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-10 14:44:41,920 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-10 14:44:42,447 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-10 14:44:43,102 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-10 14:44:44,427 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-10 14:44:45,322 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-10 14:44:45,491 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-10 14:44:45,741 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-10 14:44:46,068 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-10 14:44:46,261 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-10 14:44:46,885 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-10 14:44:47,113 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-10 14:44:47,395 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-10 14:44:48,089 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-10 14:44:49,163 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-10 14:44:51,595 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-10 14:44:54,833 WARN L205 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-10 14:44:54,975 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-10 14:44:55,567 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-10 14:44:55,759 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-10 14:44:56,346 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-10 14:44:56,694 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-10 14:44:57,714 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-10 14:44:57,855 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-10 14:44:58,053 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-10 14:44:58,345 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-10 14:44:58,748 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-10 14:44:59,590 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-10 14:45:00,751 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-10 14:45:01,789 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-07-10 14:45:01,967 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-10 14:45:02,202 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-10 14:45:02,489 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-10 14:45:02,862 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-10 14:45:04,648 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-10 14:45:09,870 WARN L205 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-10 14:45:15,761 WARN L205 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-10 14:45:30,312 WARN L205 SmtUtils]: Spent 14.54 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-10 14:45:58,550 WARN L205 SmtUtils]: Spent 28.21 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-10 14:45:59,600 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-10 14:45:59,789 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-10 14:46:31,426 WARN L205 SmtUtils]: Spent 31.62 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-10 14:47:08,782 WARN L205 SmtUtils]: Spent 37.31 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-10 14:47:09,846 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-10 14:47:10,043 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-10 14:47:10,286 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-10 14:47:47,930 WARN L205 SmtUtils]: Spent 37.63 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-10 14:48:26,230 WARN L205 SmtUtils]: Spent 38.25 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-10 14:49:11,636 WARN L205 SmtUtils]: Spent 45.34 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-10 14:49:15,123 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-10 14:49:15,281 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-10 14:49:16,694 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-10 14:49:20,182 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-10 14:49:20,330 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-10 14:49:20,481 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-10 14:49:21,550 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-10 14:49:22,230 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-10 14:49:23,146 WARN L205 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-10 14:49:23,892 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-10 14:49:24,221 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-10 14:49:24,924 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-10 14:49:25,090 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-10 14:49:25,465 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-10 14:49:25,806 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-10 14:49:26,220 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-10 14:49:27,739 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-10 14:49:28,044 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-10 14:49:28,830 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-10 14:49:29,863 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-10 14:49:31,260 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-10 14:49:32,143 WARN L205 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-10 14:49:33,204 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-10 14:49:33,499 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-10 14:49:34,153 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-10 14:49:34,368 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-10 14:49:34,716 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-10 14:49:34,955 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-10 14:49:35,575 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-10 14:49:35,744 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-10 14:49:36,533 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-10 14:49:36,712 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-10 14:49:37,116 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-10 14:49:38,016 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-10 14:49:38,513 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-10 14:49:38,796 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-10 14:49:39,586 WARN L205 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-10 14:49:40,585 WARN L205 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-10 14:49:41,858 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-10 14:49:43,547 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-10 14:49:45,712 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-10 14:49:48,393 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-10 14:49:52,875 WARN L205 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-10 14:49:58,962 WARN L205 SmtUtils]: Spent 6.08 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-10 14:49:59,359 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-10 14:49:59,551 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-10 14:49:59,757 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-10 14:50:00,095 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-10 14:50:01,610 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-10 14:50:01,782 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-10 14:50:02,028 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-10 14:50:02,414 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-10 14:50:02,935 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-10 14:50:03,059 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-07-10 14:50:03,216 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-10 14:50:04,436 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-10 14:50:04,597 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-10 14:50:04,800 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-10 14:50:05,094 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-10 14:50:05,465 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-10 14:50:06,039 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-10 14:50:06,640 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-10 14:50:07,882 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-10 14:50:09,310 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-10 14:50:11,209 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-10 14:50:11,441 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-10 14:50:11,686 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-10 14:50:11,856 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-10 14:50:12,031 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-10 14:50:13,128 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-10 14:50:13,322 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-10 14:50:13,576 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-10 14:50:13,916 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-10 14:50:14,389 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-10 14:50:14,563 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-10 14:50:14,742 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-10 14:50:15,809 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-10 14:50:15,981 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-10 14:50:16,242 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-10 14:50:16,623 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-10 14:50:17,590 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-10 14:50:18,886 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-10 14:50:22,115 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-10 14:50:31,494 WARN L205 SmtUtils]: Spent 9.37 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-10 14:50:42,426 WARN L205 SmtUtils]: Spent 10.57 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-10 14:50:55,049 WARN L205 SmtUtils]: Spent 12.60 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-10 14:51:08,000 WARN L205 SmtUtils]: Spent 12.93 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-10 14:51:21,050 WARN L205 SmtUtils]: Spent 13.03 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-10 14:51:36,119 WARN L205 SmtUtils]: Spent 15.05 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-10 14:52:38,497 WARN L205 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-10 14:53:47,290 WARN L205 SmtUtils]: Spent 1.15 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-10 14:54:56,025 WARN L205 SmtUtils]: Spent 1.14 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown