/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-cond-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 14:43:39,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 14:43:39,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 14:43:39,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 14:43:39,921 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 14:43:39,957 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 14:43:39,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 14:43:39,958 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 14:43:39,958 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 14:43:39,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 14:43:39,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 14:43:39,961 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 14:43:39,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 14:43:39,961 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 14:43:39,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 14:43:39,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 14:43:39,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 14:43:39,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 14:43:39,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 14:43:39,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 14:43:39,963 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 14:43:39,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 14:43:39,964 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 14:43:39,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 14:43:39,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 14:43:39,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 14:43:39,964 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 14:43:39,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 14:43:39,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 14:43:39,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 14:43:39,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 14:43:39,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 14:43:39,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 14:43:39,965 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 14:43:39,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 14:43:39,965 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 14:43:39,965 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 14:43:39,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 14:43:39,966 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 14:43:39,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 14:43:39,966 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 14:43:40,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 14:43:40,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 14:43:40,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 14:43:40,337 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 14:43:40,340 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 14:43:40,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl [2021-07-10 14:43:40,341 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl' [2021-07-10 14:43:40,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 14:43:40,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 14:43:40,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 14:43:40,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 14:43:40,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 14:43:40,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:43:40" (1/1) ... [2021-07-10 14:43:40,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:43:40" (1/1) ... [2021-07-10 14:43:40,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 14:43:40,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 14:43:40,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 14:43:40,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 14:43:40,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:43:40" (1/1) ... [2021-07-10 14:43:40,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:43:40" (1/1) ... [2021-07-10 14:43:40,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:43:40" (1/1) ... [2021-07-10 14:43:40,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:43:40" (1/1) ... [2021-07-10 14:43:40,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:43:40" (1/1) ... [2021-07-10 14:43:40,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:43:40" (1/1) ... [2021-07-10 14:43:40,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:43:40" (1/1) ... [2021-07-10 14:43:40,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 14:43:40,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 14:43:40,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 14:43:40,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 14:43:40,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:43:40" (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 14:43:40,488 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 14:43:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 14:43:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 14:43:40,489 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 14:43:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 14:43:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 14:43:40,489 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 14:43:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 14:43:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 14:43:40,490 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 14:43:40,753 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 14:43:40,753 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 14:43:40,754 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 14:43:40,755 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:43:40 BoogieIcfgContainer [2021-07-10 14:43:40,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 14:43:40,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 14:43:40,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 14:43:40,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 14:43:40,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:43:40" (1/2) ... [2021-07-10 14:43:40,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185f9ee4 and model type unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:43:40, skipping insertion in model container [2021-07-10 14:43:40,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:43:40" (2/2) ... [2021-07-10 14:43:40,762 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.bpl [2021-07-10 14:43:40,766 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 14:43:40,767 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 14:43:40,767 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 14:43:40,767 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 14:43:40,814 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 14:43:40,834 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 14:43:40,883 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 14:43:40,883 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 14:43:40,883 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 14:43:40,883 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 14:43:40,883 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 14:43:40,883 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 14:43:40,884 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 14:43:40,884 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 14:43:40,924 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:43:40,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:43:40,935 INFO L82 PathProgramCache]: Analyzing trace with hash 580194151, now seen corresponding path program 1 times [2021-07-10 14:43:40,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:43:40,947 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487160894] [2021-07-10 14:43:40,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:43:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:41,178 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 14:43:41,179 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:43:41,179 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487160894] [2021-07-10 14:43:41,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487160894] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:43:41,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:43:41,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 14:43:41,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673690359] [2021-07-10 14:43:41,184 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 14:43:41,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:43:41,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 14:43:41,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-10 14:43:41,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:41,205 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:43:41,207 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:43:41,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:41,238 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 14:43:41,238 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:43:41,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:43:41,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1743672373, now seen corresponding path program 1 times [2021-07-10 14:43:41,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:43:41,242 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774559484] [2021-07-10 14:43:41,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:43:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:41,395 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 14:43:41,395 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:43:41,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774559484] [2021-07-10 14:43:41,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774559484] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:41,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425396685] [2021-07-10 14:43:41,396 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 14:43:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:41,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 14:43:41,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:43:41,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 14:43:41,650 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:43:41,659 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:41,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 18 [2021-07-10 14:43:41,663 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 14:43:41,714 INFO L628 ElimStorePlain]: treesize reduction 10, result has 68.8 percent of original size [2021-07-10 14:43:41,718 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 14:43:41,718 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:43, output treesize:22 [2021-07-10 14:43:41,799 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 14:43:41,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425396685] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:41,800 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:43:41,800 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-10 14:43:41,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619005097] [2021-07-10 14:43:41,801 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 14:43:41,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:43:41,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 14:43:41,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-10 14:43:41,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:41,802 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:43:41,803 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:43:41,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:41,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:41,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:41,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:42,066 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:43:42,067 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:43:42,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:43:42,067 INFO L82 PathProgramCache]: Analyzing trace with hash -769090585, now seen corresponding path program 2 times [2021-07-10 14:43:42,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:43:42,068 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086409223] [2021-07-10 14:43:42,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:43:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:42,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:42,158 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:43:42,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086409223] [2021-07-10 14:43:42,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086409223] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:42,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162967407] [2021-07-10 14:43:42,158 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:43:42,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:43:42,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:43:42,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 14:43:42,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:43:42,317 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:42,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-10 14:43:42,320 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:43:42,321 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:42,322 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:43:42,322 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-10 14:43:42,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:42,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162967407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:42,331 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:43:42,332 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-10 14:43:42,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364679933] [2021-07-10 14:43:42,332 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 14:43:42,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:43:42,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 14:43:42,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-10 14:43:42,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:42,333 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:43:42,333 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:43:42,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:42,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:42,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:42,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:42,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:42,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:42,599 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:43:42,600 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:43:42,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:43:42,601 INFO L82 PathProgramCache]: Analyzing trace with hash -621826229, now seen corresponding path program 3 times [2021-07-10 14:43:42,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:43:42,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74649331] [2021-07-10 14:43:42,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:43:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:42,653 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:43:42,653 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74649331] [2021-07-10 14:43:42,653 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74649331] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:42,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68196853] [2021-07-10 14:43:42,654 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:43:42,687 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 14:43:42,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:43:42,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 14:43:42,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:43:42,770 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:42,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68196853] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:43:42,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-10 14:43:42,771 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2021-07-10 14:43:42,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108218660] [2021-07-10 14:43:42,771 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 14:43:42,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:43:42,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 14:43:42,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-10 14:43:42,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:42,772 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:43:42,774 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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 14:43:42,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:42,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:42,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:42,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:43,024 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:43:43,025 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:43:43,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:43:43,025 INFO L82 PathProgramCache]: Analyzing trace with hash -2050449388, now seen corresponding path program 1 times [2021-07-10 14:43:43,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:43:43,026 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948402916] [2021-07-10 14:43:43,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:43:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:43,110 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 14:43:43,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:43:43,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948402916] [2021-07-10 14:43:43,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948402916] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:43,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614798363] [2021-07-10 14:43:43,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 14:43:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:43,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-10 14:43:43,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:43:43,325 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:43,325 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 21 treesize of output 64 [2021-07-10 14:43:43,353 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-10 14:43:43,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 14:43:43,356 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:43:43,369 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:43,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-10 14:43:43,379 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 14:43:43,394 INFO L628 ElimStorePlain]: treesize reduction 12, result has 55.6 percent of original size [2021-07-10 14:43:43,395 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 14:43:43,395 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:79, output treesize:15 [2021-07-10 14:43:43,426 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 14:43:43,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614798363] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:43,426 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:43:43,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-10 14:43:43,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569926923] [2021-07-10 14:43:43,427 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 14:43:43,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:43:43,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 14:43:43,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-07-10 14:43:43,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:43,428 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:43:43,429 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 14:43:43,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:43,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:43,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:43,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:43,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:43,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:43,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:43,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:43,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:43,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:43,743 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-07-10 14:43:43,743 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:43:43,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:43:43,744 INFO L82 PathProgramCache]: Analyzing trace with hash 2031643256, now seen corresponding path program 2 times [2021-07-10 14:43:43,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:43:43,744 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885172211] [2021-07-10 14:43:43,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:43:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:43,881 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 14:43:43,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:43:43,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885172211] [2021-07-10 14:43:43,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885172211] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:43,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724980682] [2021-07-10 14:43:43,882 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 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 14:43:43,909 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:43:43,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:43:43,910 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-10 14:43:43,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:43:44,065 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:44,066 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 14:43:44,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:43:44,173 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:44,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 25 treesize of output 99 [2021-07-10 14:43:44,348 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-07-10 14:43:44,367 INFO L628 ElimStorePlain]: treesize reduction 18, result has 50.0 percent of original size [2021-07-10 14:43:44,369 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 14:43:44,369 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:67, output treesize:18 [2021-07-10 14:43:44,401 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 14:43:44,401 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724980682] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:44,402 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:43:44,402 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-10 14:43:44,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279027881] [2021-07-10 14:43:44,402 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 14:43:44,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:43:44,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 14:43:44,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-07-10 14:43:44,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:44,403 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:43:44,403 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 16 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 14:43:44,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:44,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:44,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:44,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:44,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:44,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:44,696 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-07-10 14:43:44,697 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:43:44,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:43:44,697 INFO L82 PathProgramCache]: Analyzing trace with hash -272503660, now seen corresponding path program 3 times [2021-07-10 14:43:44,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:43:44,697 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121179231] [2021-07-10 14:43:44,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:43:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:44,800 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:44,801 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:43:44,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121179231] [2021-07-10 14:43:44,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121179231] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:44,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062042388] [2021-07-10 14:43:44,801 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 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 14:43:44,832 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 14:43:44,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:43:44,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-10 14:43:44,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:43:45,055 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:45,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-10 14:43:45,161 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:43:45,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:45,163 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:43:45,163 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-10 14:43:45,169 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:45,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062042388] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:45,170 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:43:45,170 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-10 14:43:45,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703251521] [2021-07-10 14:43:45,170 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 14:43:45,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:43:45,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 14:43:45,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-07-10 14:43:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:45,171 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:43:45,172 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 16 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 14:43:45,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:45,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:45,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:45,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:45,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:45,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:45,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:45,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:45,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:45,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:45,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:45,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:45,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:45,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:43:45,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:43:45,541 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:43:45,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:43:45,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1313385976, now seen corresponding path program 4 times [2021-07-10 14:43:45,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:43:45,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251177886] [2021-07-10 14:43:45,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:43:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:45,616 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:45,616 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:43:45,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251177886] [2021-07-10 14:43:45,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251177886] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:45,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450820114] [2021-07-10 14:43:45,617 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 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 14:43:45,653 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:43:45,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:43:45,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 14:43:45,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:43:45,701 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:45,701 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450820114] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:45,702 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:43:45,702 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-07-10 14:43:45,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289411796] [2021-07-10 14:43:45,702 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 14:43:45,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:43:45,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 14:43:45,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-07-10 14:43:45,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:45,704 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:43:45,704 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 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 14:43:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:45,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:43:45,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:45,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:43:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:43:45,985 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable108 [2021-07-10 14:43:45,985 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:43:45,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:43:45,986 INFO L82 PathProgramCache]: Analyzing trace with hash 2106554119, now seen corresponding path program 5 times [2021-07-10 14:43:45,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:43:45,986 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455142494] [2021-07-10 14:43:45,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:43:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:46,103 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:46,103 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:43:46,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455142494] [2021-07-10 14:43:46,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455142494] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:46,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684902285] [2021-07-10 14:43:46,104 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 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 14:43:46,130 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 14:43:46,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:43:46,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-10 14:43:46,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:43:46,497 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:46,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-10 14:43:46,695 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:43:46,867 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2021-07-10 14:43:46,868 INFO L354 Elim1Store]: treesize reduction 24, result has 85.8 percent of original size [2021-07-10 14:43:46,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 33 treesize of output 169 [2021-07-10 14:43:47,142 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 14:43:47,144 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 14:43:47,145 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 14:43:47,159 INFO L628 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2021-07-10 14:43:47,160 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 14:43:47,160 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:115, output treesize:15 [2021-07-10 14:43:47,192 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:47,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684902285] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:47,193 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:43:47,193 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2021-07-10 14:43:47,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611497368] [2021-07-10 14:43:47,193 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 14:43:47,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:43:47,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 14:43:47,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2021-07-10 14:43:47,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:47,194 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:43:47,195 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 21 states have internal predecessors, (32), 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 14:43:47,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:47,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:47,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:47,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:47,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:47,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:47,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:43:47,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:43:47,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:47,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:47,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:47,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:47,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:47,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:47,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:47,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:43:47,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:43:47,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:43:47,536 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:43:47,536 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:43:47,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:43:47,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1433104235, now seen corresponding path program 6 times [2021-07-10 14:43:47,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:43:47,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191116694] [2021-07-10 14:43:47,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:43:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:47,708 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:47,708 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:43:47,708 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191116694] [2021-07-10 14:43:47,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191116694] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:47,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813437563] [2021-07-10 14:43:47,709 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 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 14:43:47,745 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 14:43:47,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:43:47,746 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 48 conjunts are in the unsatisfiable core [2021-07-10 14:43:47,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:43:48,187 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 14:43:48,187 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:48,187 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 37 treesize of output 252 [2021-07-10 14:43:49,010 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 209 [2021-07-10 14:43:49,473 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 163 [2021-07-10 14:43:50,246 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-10 14:43:50,318 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:50,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-07-10 14:43:50,809 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:43:50,829 INFO L628 ElimStorePlain]: treesize reduction 18, result has 50.0 percent of original size [2021-07-10 14:43:50,830 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 14:43:50,830 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:91, output treesize:18 [2021-07-10 14:43:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:50,873 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813437563] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:50,873 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:43:50,873 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-10 14:43:50,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785148111] [2021-07-10 14:43:50,875 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 14:43:50,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:43:50,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 14:43:50,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=537, Unknown=0, NotChecked=0, Total=600 [2021-07-10 14:43:50,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:50,877 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:43:50,878 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.36) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:43:50,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:50,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:50,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:50,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:50,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:50,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:50,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:43:50,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:43:50,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:43:50,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:43:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:43:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:43:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:43:51,321 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:43:51,321 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:43:51,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:43:51,321 INFO L82 PathProgramCache]: Analyzing trace with hash 2030994311, now seen corresponding path program 7 times [2021-07-10 14:43:51,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:43:51,322 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408477558] [2021-07-10 14:43:51,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:43:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:51,472 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 14:43:51,472 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:43:51,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408477558] [2021-07-10 14:43:51,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408477558] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:51,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138312196] [2021-07-10 14:43:51,472 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 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 14:43:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:51,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-10 14:43:51,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:43:51,951 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 14:43:51,951 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:51,951 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 14:43:52,548 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 216 [2021-07-10 14:43:53,710 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 246 [2021-07-10 14:43:55,114 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 271 [2021-07-10 14:43:55,305 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 315 [2021-07-10 14:43:55,677 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 435 [2021-07-10 14:43:56,188 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 507 [2021-07-10 14:43:56,647 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 507 [2021-07-10 14:43:57,154 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 512 [2021-07-10 14:43:57,418 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 329 [2021-07-10 14:43:57,537 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 231 [2021-07-10 14:43:58,330 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:43:58,331 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:58,332 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:43:58,332 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-10 14:43:58,338 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 14:43:58,338 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138312196] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:58,338 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:43:58,338 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-10 14:43:58,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314403889] [2021-07-10 14:43:58,339 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 14:43:58,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:43:58,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 14:43:58,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-07-10 14:43:58,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:58,340 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:43:58,341 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.36) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:43:58,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:58,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:58,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:58,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:58,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:58,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:58,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:43:58,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:43:58,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:43:58,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:43:58,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:58,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:58,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:58,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:58,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:58,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:58,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:58,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:43:58,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:43:58,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:43:58,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:43:58,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:43:58,810 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable495 [2021-07-10 14:43:58,810 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:43:58,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:43:58,811 INFO L82 PathProgramCache]: Analyzing trace with hash -909249813, now seen corresponding path program 8 times [2021-07-10 14:43:58,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:43:58,811 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575796862] [2021-07-10 14:43:58,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:43:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 37 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:58,916 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:43:58,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575796862] [2021-07-10 14:43:58,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575796862] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:58,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443726725] [2021-07-10 14:43:58,916 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 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 14:43:58,943 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:43:58,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:43:58,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 14:43:58,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:43:59,005 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 14:43:59,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443726725] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:59,006 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:43:59,006 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-10 14:43:59,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607356995] [2021-07-10 14:43:59,007 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 14:43:59,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:43:59,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 14:43:59,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-10 14:43:59,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:59,008 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:43:59,008 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 14:43:59,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:59,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:59,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:59,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:59,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:59,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:59,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:43:59,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:43:59,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:43:59,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:43:59,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:43:59,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:59,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:59,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:59,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:59,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:59,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:43:59,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:59,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:43:59,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:43:59,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:43:59,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:43:59,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:43:59,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:43:59,347 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1120,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:43:59,347 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:43:59,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:43:59,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1924321396, now seen corresponding path program 9 times [2021-07-10 14:43:59,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:43:59,348 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396010987] [2021-07-10 14:43:59,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:43:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:59,499 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 14:43:59,500 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:43:59,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396010987] [2021-07-10 14:43:59,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396010987] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:59,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763597272] [2021-07-10 14:43:59,500 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 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 14:43:59,536 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-10 14:43:59,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:43:59,537 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-10 14:43:59,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:43:59,992 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-10 14:43:59,993 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:59,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-10 14:44:00,894 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 295 [2021-07-10 14:44:01,025 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 295 [2021-07-10 14:44:01,181 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 303 [2021-07-10 14:44:01,372 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 337 [2021-07-10 14:44:01,598 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 402 [2021-07-10 14:44:02,214 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 250 [2021-07-10 14:44:02,343 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 303 [2021-07-10 14:44:02,474 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 308 [2021-07-10 14:44:02,837 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-10 14:44:03,184 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 301 [2021-07-10 14:44:03,565 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 448 [2021-07-10 14:44:04,661 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 660 DAG size of output: 570 [2021-07-10 14:44:05,128 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 660 DAG size of output: 570 [2021-07-10 14:44:05,667 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 577 [2021-07-10 14:44:07,114 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 579 DAG size of output: 827 [2021-07-10 14:44:07,234 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 489 [2021-07-10 14:44:08,170 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 537 [2021-07-10 14:44:09,489 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 240 [2021-07-10 14:44:09,732 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 371 [2021-07-10 14:44:10,041 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 658 DAG size of output: 391 [2021-07-10 14:44:10,446 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 959 DAG size of output: 414 [2021-07-10 14:44:10,844 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 959 DAG size of output: 414 [2021-07-10 14:44:11,279 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 418 [2021-07-10 14:44:11,657 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 404 [2021-07-10 14:44:12,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:44:12,519 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 183 [2021-07-10 14:44:12,519 INFO L354 Elim1Store]: treesize reduction 36, result has 90.0 percent of original size [2021-07-10 14:44:12,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 45 treesize of output 358 [2021-07-10 14:44:13,324 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 260 [2021-07-10 14:44:13,429 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 260 [2021-07-10 14:44:13,574 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 278 [2021-07-10 14:44:13,715 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 284 [2021-07-10 14:44:14,427 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 268 [2021-07-10 14:44:15,346 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 212 [2021-07-10 14:44:15,499 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 212 [2021-07-10 14:44:15,667 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 219 [2021-07-10 14:44:16,249 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 14:44:16,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 14:44:16,252 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 14:44:16,265 INFO L628 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2021-07-10 14:44:16,265 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 14:44:16,266 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:151, output treesize:15 [2021-07-10 14:44:16,296 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 14:44:16,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763597272] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:44:16,297 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:44:16,297 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 28 [2021-07-10 14:44:16,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126230714] [2021-07-10 14:44:16,297 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 14:44:16,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:44:16,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 14:44:16,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2021-07-10 14:44:16,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:44:16,298 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:44:16,298 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 28 states have internal predecessors, (40), 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 14:44:16,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:44:16,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:44:16,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:44:16,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:44:16,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:44:16,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:44:16,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:44:16,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:44:16,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:44:16,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:44:16,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:44:16,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:44:16,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:44:16,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:44:16,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:44:16,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:44:16,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:44:16,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:44:16,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:44:16,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:44:16,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:44:16,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:44:16,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:44:16,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:44:16,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:44:16,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:44:16,749 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1121 [2021-07-10 14:44:16,749 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:44:16,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:44:16,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1856768296, now seen corresponding path program 10 times [2021-07-10 14:44:16,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:44:16,749 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645009590] [2021-07-10 14:44:16,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:44:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:44:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:44:16,974 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:44:16,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645009590] [2021-07-10 14:44:16,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645009590] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:44:16,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909753307] [2021-07-10 14:44:16,974 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 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 14:44:17,009 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:44:17,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:44:17,010 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 64 conjunts are in the unsatisfiable core [2021-07-10 14:44:17,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:44:17,583 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-10 14:44:17,584 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:44:17,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-10 14:44:18,396 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 290 [2021-07-10 14:44:19,468 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 355 [2021-07-10 14:44:19,826 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 512 [2021-07-10 14:44:20,167 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 512 [2021-07-10 14:44:20,587 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 524 [2021-07-10 14:44:21,064 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 574 [2021-07-10 14:44:21,355 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 597 [2021-07-10 14:44:21,565 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 322 [2021-07-10 14:44:22,547 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 289 [2021-07-10 14:44:22,705 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 295 [2021-07-10 14:44:22,923 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 337 [2021-07-10 14:44:23,883 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 250 [2021-07-10 14:44:23,995 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 312 [2021-07-10 14:44:25,592 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 254 [2021-07-10 14:44:25,714 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 280 [2021-07-10 14:44:26,017 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 423 [2021-07-10 14:44:26,409 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 475 [2021-07-10 14:44:26,968 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 768 DAG size of output: 567 [2021-07-10 14:44:27,884 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 1064 DAG size of output: 778 [2021-07-10 14:44:28,977 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1166 DAG size of output: 792 [2021-07-10 14:44:30,268 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1243 DAG size of output: 862 [2021-07-10 14:44:31,561 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1243 DAG size of output: 862 [2021-07-10 14:44:33,041 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1247 DAG size of output: 868 [2021-07-10 14:44:34,723 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 865 DAG size of output: 897 [2021-07-10 14:44:35,215 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 550 [2021-07-10 14:44:35,439 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 353 [2021-07-10 14:44:35,663 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 355 [2021-07-10 14:44:35,866 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 335 [2021-07-10 14:44:36,519 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 495 [2021-07-10 14:44:36,856 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 495 [2021-07-10 14:44:37,196 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 410 [2021-07-10 14:44:37,402 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 238 [2021-07-10 14:44:38,667 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:44:38,906 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-10 14:44:38,906 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:44:38,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 49 treesize of output 477 [2021-07-10 14:44:39,898 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 277 [2021-07-10 14:44:40,069 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 359 [2021-07-10 14:44:41,004 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 368 [2021-07-10 14:44:41,375 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 805 DAG size of output: 591 [2021-07-10 14:44:41,819 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 604 [2021-07-10 14:44:42,354 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 842 DAG size of output: 626 [2021-07-10 14:44:44,096 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 409 [2021-07-10 14:44:44,420 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 556 [2021-07-10 14:44:44,819 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 781 DAG size of output: 569 [2021-07-10 14:44:45,298 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 592 [2021-07-10 14:44:46,463 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1475 DAG size of output: 1057 [2021-07-10 14:44:47,825 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1497 DAG size of output: 1065 [2021-07-10 14:44:49,212 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1497 DAG size of output: 1065 [2021-07-10 14:44:50,823 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 1514 DAG size of output: 1082 [2021-07-10 14:44:53,667 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 1084 DAG size of output: 1195 [2021-07-10 14:44:54,649 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 731 [2021-07-10 14:44:54,773 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 597 [2021-07-10 14:44:55,485 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 532 [2021-07-10 14:44:56,929 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 319 [2021-07-10 14:44:57,158 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 340 [2021-07-10 14:44:57,265 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 224 [2021-07-10 14:44:58,470 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 250 [2021-07-10 14:44:58,685 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 365 [2021-07-10 14:44:59,131 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 479 [2021-07-10 14:44:59,667 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 499 [2021-07-10 14:45:00,343 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 757 DAG size of output: 562 [2021-07-10 14:45:01,125 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 236 [2021-07-10 14:45:01,885 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 342 [2021-07-10 14:45:03,186 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 365 [2021-07-10 14:45:03,720 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 538 [2021-07-10 14:45:04,501 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 593 [2021-07-10 14:45:05,271 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 875 DAG size of output: 612 [2021-07-10 14:45:06,335 WARN L205 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 681 [2021-07-10 14:45:08,134 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1450 DAG size of output: 997 [2021-07-10 14:45:08,312 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-07-10 14:45:09,985 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 373 [2021-07-10 14:45:11,253 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 380 [2021-07-10 14:45:11,679 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 553 [2021-07-10 14:45:12,256 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 576 [2021-07-10 14:45:12,982 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 790 DAG size of output: 608 [2021-07-10 14:45:13,875 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 868 DAG size of output: 667 [2021-07-10 14:45:14,364 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 249 [2021-07-10 14:45:14,469 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 216 [2021-07-10 14:45:15,166 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 250 [2021-07-10 14:45:15,337 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 286 [2021-07-10 14:45:15,533 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 323 [2021-07-10 14:45:16,236 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 249 [2021-07-10 14:45:16,422 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 276 [2021-07-10 14:45:16,617 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 314 [2021-07-10 14:45:17,032 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 485 [2021-07-10 14:45:17,138 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 249 [2021-07-10 14:45:18,055 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 332 [2021-07-10 14:45:18,265 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 360 [2021-07-10 14:45:19,048 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 278 [2021-07-10 14:45:19,240 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 304 [2021-07-10 14:45:19,447 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 340 [2021-07-10 14:45:19,894 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 548 [2021-07-10 14:45:20,828 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 1026 DAG size of output: 769 [2021-07-10 14:45:21,926 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1078 DAG size of output: 792 [2021-07-10 14:45:23,273 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1181 DAG size of output: 868 [2021-07-10 14:45:25,693 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 1714 DAG size of output: 1221 [2021-07-10 14:45:30,479 WARN L205 SmtUtils]: Spent 4.78 s on a formula simplification. DAG size of input: 2610 DAG size of output: 1897 [2021-07-10 14:45:36,214 WARN L205 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 2865 DAG size of output: 2025 [2021-07-10 14:45:42,629 WARN L205 SmtUtils]: Spent 6.40 s on a formula simplification. DAG size of input: 2932 DAG size of output: 2062 [2021-07-10 14:45:42,748 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 571 [2021-07-10 14:45:43,507 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 530 [2021-07-10 14:45:43,676 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 338 [2021-07-10 14:45:45,105 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 223 [2021-07-10 14:45:45,332 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 349 [2021-07-10 14:45:45,654 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 372 [2021-07-10 14:45:46,127 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 423 [2021-07-10 14:45:46,944 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2021-07-10 14:45:47,068 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 222 [2021-07-10 14:45:47,897 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 186 [2021-07-10 14:45:48,033 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 206 [2021-07-10 14:45:48,342 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 329 [2021-07-10 14:45:48,785 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 383 [2021-07-10 14:45:49,772 WARN L205 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 637 [2021-07-10 14:45:49,990 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 299 [2021-07-10 14:45:50,286 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 382 [2021-07-10 14:45:50,496 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 314 [2021-07-10 14:45:51,919 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 253 [2021-07-10 14:45:52,033 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 253 [2021-07-10 14:45:52,255 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 365 [2021-07-10 14:45:52,552 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 390 [2021-07-10 14:45:53,690 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 262 [2021-07-10 14:45:53,898 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 287 [2021-07-10 14:45:54,488 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 570 [2021-07-10 14:45:54,759 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 365 [2021-07-10 14:45:55,001 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 282 [2021-07-10 14:45:55,520 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 228 [2021-07-10 14:45:56,165 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 305 [2021-07-10 14:45:56,411 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 305 [2021-07-10 14:45:56,665 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 308 [2021-07-10 14:45:56,782 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 297 [2021-07-10 14:45:56,999 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 332 [2021-07-10 14:45:57,841 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 286 [2021-07-10 14:45:58,104 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 320 [2021-07-10 14:45:58,375 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 320 [2021-07-10 14:45:58,938 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 494 [2021-07-10 14:46:00,180 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1040 DAG size of output: 837 [2021-07-10 14:46:01,659 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1121 DAG size of output: 877 [2021-07-10 14:46:03,440 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1176 DAG size of output: 932 [2021-07-10 14:46:06,666 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 1614 DAG size of output: 1333 [2021-07-10 14:46:10,096 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 1617 DAG size of output: 1336 [2021-07-10 14:46:13,877 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 1687 DAG size of output: 1399 [2021-07-10 14:46:24,919 WARN L205 SmtUtils]: Spent 11.03 s on a formula simplification. DAG size of input: 3977 DAG size of output: 2898 [2021-07-10 14:46:37,170 WARN L205 SmtUtils]: Spent 12.23 s on a formula simplification. DAG size of input: 4599 DAG size of output: 3452 [2021-07-10 14:46:49,384 WARN L205 SmtUtils]: Spent 12.18 s on a formula simplification. DAG size of input: 4599 DAG size of output: 3452 [2021-07-10 14:47:03,211 WARN L205 SmtUtils]: Spent 13.81 s on a formula simplification. DAG size of input: 4612 DAG size of output: 3465 [2021-07-10 14:47:03,722 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 3460 [2021-07-10 14:47:09,542 WARN L205 SmtUtils]: Spent 5.81 s on a formula simplification. DAG size of input: 3461 DAG size of output: 3104 [2021-07-10 14:47:15,004 WARN L205 SmtUtils]: Spent 5.44 s on a formula simplification. DAG size of input: 1411 DAG size of output: 1908 [2021-07-10 14:47:15,789 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 1207 DAG size of output: 657 [2021-07-10 14:47:16,578 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 608 [2021-07-10 14:47:17,344 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 606 [2021-07-10 14:47:17,530 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 225 [2021-07-10 14:47:17,656 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 277 [2021-07-10 14:47:18,380 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 265 [2021-07-10 14:47:18,528 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 267 [2021-07-10 14:47:18,639 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 539 [2021-07-10 14:47:18,797 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 396 [2021-07-10 14:47:19,354 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 215 [2021-07-10 14:47:19,787 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 300 [2021-07-10 14:47:20,176 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 425 [2021-07-10 14:47:20,304 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 591 [2021-07-10 14:47:21,140 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 561 [2021-07-10 14:47:21,342 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 407 [2021-07-10 14:47:21,947 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 206 [2021-07-10 14:47:22,877 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 305 [2021-07-10 14:47:23,247 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 381 [2021-07-10 14:47:24,085 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 607 [2021-07-10 14:47:25,033 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 716 DAG size of output: 622 [2021-07-10 14:47:26,061 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 987 DAG size of output: 730 [2021-07-10 14:47:26,382 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 357 [2021-07-10 14:47:26,626 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 382 [2021-07-10 14:47:26,745 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 173 [2021-07-10 14:47:27,255 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 250 [2021-07-10 14:47:27,417 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 256 [2021-07-10 14:47:27,645 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 294 [2021-07-10 14:47:27,795 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 183 [2021-07-10 14:47:28,553 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 247 [2021-07-10 14:47:29,247 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 540 [2021-07-10 14:47:29,914 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 494 DAG size of output: 531 [2021-07-10 14:47:30,911 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 243 [2021-07-10 14:47:31,187 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 298 [2021-07-10 14:47:31,989 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 244 [2021-07-10 14:47:32,153 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 267 [2021-07-10 14:47:32,487 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 372 [2021-07-10 14:47:33,308 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 459 [2021-07-10 14:47:34,025 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 534 [2021-07-10 14:47:34,490 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 182 [2021-07-10 14:47:35,063 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 174 [2021-07-10 14:47:35,384 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 253 [2021-07-10 14:47:35,642 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 339 [2021-07-10 14:47:35,845 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 275 [2021-07-10 14:47:36,774 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 243 [2021-07-10 14:47:36,939 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 265 [2021-07-10 14:47:37,435 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 427 [2021-07-10 14:47:38,459 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 772 DAG size of output: 622 [2021-07-10 14:47:39,703 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1176 DAG size of output: 790 [2021-07-10 14:47:41,997 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 1679 DAG size of output: 1198 [2021-07-10 14:47:46,263 WARN L205 SmtUtils]: Spent 4.25 s on a formula simplification. DAG size of input: 3431 DAG size of output: 2088 [2021-07-10 14:47:50,578 WARN L205 SmtUtils]: Spent 4.30 s on a formula simplification. DAG size of input: 3431 DAG size of output: 2088 [2021-07-10 14:47:54,553 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 3441 DAG size of output: 1803 [2021-07-10 14:47:54,989 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 406 [2021-07-10 14:47:56,440 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 299 [2021-07-10 14:47:56,860 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 357 [2021-07-10 14:47:57,814 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 194 [2021-07-10 14:47:58,324 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 489 [2021-07-10 14:47:59,127 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 542 [2021-07-10 14:48:01,398 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 2058 DAG size of output: 1611 [2021-07-10 14:48:03,706 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 2058 DAG size of output: 1611 [2021-07-10 14:48:06,311 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 2064 DAG size of output: 1618 [2021-07-10 14:48:06,465 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 1615 [2021-07-10 14:48:06,834 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 1620 DAG size of output: 1539 [2021-07-10 14:48:07,587 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 540 [2021-07-10 14:48:09,067 WARN L205 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 649 DAG size of output: 675 [2021-07-10 14:48:09,788 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 590 [2021-07-10 14:48:09,948 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 411 [2021-07-10 14:48:10,757 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 216 [2021-07-10 14:48:10,887 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 272 [2021-07-10 14:48:11,434 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 404 [2021-07-10 14:48:11,687 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 404 [2021-07-10 14:48:11,940 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 709 DAG size of output: 402 [2021-07-10 14:48:12,066 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 336 [2021-07-10 14:48:12,193 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 279 [2021-07-10 14:48:12,847 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-07-10 14:48:12,863 INFO L628 ElimStorePlain]: treesize reduction 18, result has 50.0 percent of original size [2021-07-10 14:48:12,864 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 14:48:12,864 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:115, output treesize:18 [2021-07-10 14:48:12,900 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:12,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909753307] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:12,900 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:48:12,900 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-10 14:48:12,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443927580] [2021-07-10 14:48:12,901 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-10 14:48:12,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:48:12,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-10 14:48:12,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=973, Unknown=0, NotChecked=0, Total=1056 [2021-07-10 14:48:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:12,902 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:48:12,902 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 32 states have internal predecessors, (42), 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 14:48:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:48:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:48:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:48:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:48:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:48:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:48:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:48:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:48:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:48:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:48:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:48:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:48:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:48:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:48:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:48:13,454 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2064,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:13,454 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:48:13,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:48:13,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1188535540, now seen corresponding path program 11 times [2021-07-10 14:48:13,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:48:13,455 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054492149] [2021-07-10 14:48:13,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:48:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:48:13,660 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:13,660 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:48:13,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054492149] [2021-07-10 14:48:13,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054492149] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:13,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636876257] [2021-07-10 14:48:13,661 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 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 14:48:13,715 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-10 14:48:13,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:48:13,716 WARN L261 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-10 14:48:13,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:48:14,359 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-10 14:48:14,359 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:48:14,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-07-10 14:48:15,624 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 422 [2021-07-10 14:48:15,895 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 429 [2021-07-10 14:48:16,222 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 452 [2021-07-10 14:48:16,625 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 473 [2021-07-10 14:48:17,073 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 496 [2021-07-10 14:48:18,191 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 379 [2021-07-10 14:48:18,426 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 386 [2021-07-10 14:48:18,724 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 412 [2021-07-10 14:48:19,064 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 415 [2021-07-10 14:48:19,465 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 439 [2021-07-10 14:48:20,457 WARN L205 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 948 DAG size of output: 771 [2021-07-10 14:48:21,444 WARN L205 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 948 DAG size of output: 771 [2021-07-10 14:48:22,519 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 960 DAG size of output: 783 [2021-07-10 14:48:23,692 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 785 DAG size of output: 808 [2021-07-10 14:48:24,027 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 780 DAG size of output: 790 [2021-07-10 14:48:24,251 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 773 DAG size of output: 619 [2021-07-10 14:48:24,457 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 255 [2021-07-10 14:48:24,575 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 228 [2021-07-10 14:48:25,357 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 494 DAG size of output: 495 [2021-07-10 14:48:26,095 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 580 [2021-07-10 14:48:26,781 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 286 [2021-07-10 14:48:27,178 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 440 [2021-07-10 14:48:28,372 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 706 DAG size of output: 494 [2021-07-10 14:48:28,756 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 575 [2021-07-10 14:48:29,219 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 592 [2021-07-10 14:48:29,769 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 852 DAG size of output: 609 [2021-07-10 14:48:30,386 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 635 [2021-07-10 14:48:31,136 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 649 [2021-07-10 14:48:32,575 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1521 DAG size of output: 1017 [2021-07-10 14:48:34,040 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1521 DAG size of output: 1017 [2021-07-10 14:48:35,737 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1527 DAG size of output: 1023 [2021-07-10 14:48:37,828 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 506 DAG size of output: 653 [2021-07-10 14:48:39,080 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 444 DAG size of output: 621 [2021-07-10 14:48:39,559 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 375 [2021-07-10 14:48:39,831 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 275 [2021-07-10 14:48:40,210 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 277 [2021-07-10 14:48:40,314 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 190 [2021-07-10 14:48:40,908 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 234 [2021-07-10 14:48:41,140 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 195 [2021-07-10 14:48:41,301 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 247 [2021-07-10 14:48:42,073 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 313 [2021-07-10 14:48:42,471 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 351 [2021-07-10 14:48:42,814 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 400 [2021-07-10 14:48:43,251 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 427 [2021-07-10 14:48:43,886 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 458 [2021-07-10 14:48:44,036 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 241 [2021-07-10 14:48:44,484 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 249 [2021-07-10 14:48:45,157 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 222 [2021-07-10 14:48:45,436 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 214 [2021-07-10 14:48:46,020 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 164 [2021-07-10 14:48:46,255 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 299 [2021-07-10 14:48:46,544 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 358 [2021-07-10 14:48:46,908 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 388 [2021-07-10 14:48:47,889 WARN L205 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 942 DAG size of output: 663 [2021-07-10 14:48:49,072 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 984 DAG size of output: 699 [2021-07-10 14:48:49,882 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 411 [2021-07-10 14:48:50,582 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 206 [2021-07-10 14:48:51,066 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 219 [2021-07-10 14:48:51,600 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 293 [2021-07-10 14:48:51,872 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 391 [2021-07-10 14:48:52,404 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 444 [2021-07-10 14:48:52,877 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 472 [2021-07-10 14:48:53,321 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 363 [2021-07-10 14:48:53,672 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 308 [2021-07-10 14:48:53,805 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 255 [2021-07-10 14:48:53,959 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 201 [2021-07-10 14:48:54,130 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 235 [2021-07-10 14:48:54,820 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 195 [2021-07-10 14:48:54,974 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 210 [2021-07-10 14:48:55,129 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 211 [2021-07-10 14:48:55,296 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 223 [2021-07-10 14:48:56,108 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 227 [2021-07-10 14:48:56,265 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 257 [2021-07-10 14:48:56,533 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 292 [2021-07-10 14:48:56,777 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 321 [2021-07-10 14:48:57,216 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 420 [2021-07-10 14:48:58,103 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 509 [2021-07-10 14:48:58,925 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 858 DAG size of output: 651 [2021-07-10 14:49:00,361 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1311 DAG size of output: 945 [2021-07-10 14:49:02,001 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1355 DAG size of output: 981 [2021-07-10 14:49:05,214 WARN L205 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 1948 DAG size of output: 1395 [2021-07-10 14:49:08,870 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 2202 DAG size of output: 1427 [2021-07-10 14:49:09,370 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 649 DAG size of output: 640 [2021-07-10 14:49:10,122 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 503 [2021-07-10 14:49:10,801 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 579 [2021-07-10 14:49:11,228 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 458 [2021-07-10 14:49:11,569 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 371 [2021-07-10 14:49:11,690 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 291 [2021-07-10 14:49:11,901 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 307 [2021-07-10 14:49:12,406 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 263 [2021-07-10 14:49:12,858 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 323 [2021-07-10 14:49:13,089 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 349 [2021-07-10 14:49:13,653 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 370 [2021-07-10 14:49:14,052 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 416 [2021-07-10 14:49:14,417 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 397 [2021-07-10 14:49:14,767 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 387 [2021-07-10 14:49:14,873 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 260 [2021-07-10 14:49:15,078 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 262 [2021-07-10 14:49:15,513 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 231 [2021-07-10 14:49:15,808 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 275 [2021-07-10 14:49:16,833 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 249 [2021-07-10 14:49:17,064 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 327 [2021-07-10 14:49:17,503 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 439 [2021-07-10 14:49:18,138 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 557 [2021-07-10 14:49:19,058 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 677 [2021-07-10 14:49:19,463 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 438 [2021-07-10 14:49:19,701 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 323 [2021-07-10 14:49:19,807 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 283 [2021-07-10 14:49:19,983 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 308 [2021-07-10 14:49:20,449 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 274 [2021-07-10 14:49:20,554 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 260 [2021-07-10 14:49:20,662 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 256 [2021-07-10 14:49:21,076 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 252 [2021-07-10 14:49:21,299 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 348 [2021-07-10 14:49:21,621 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 381 [2021-07-10 14:49:22,074 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 382 [2021-07-10 14:49:22,462 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 422 [2021-07-10 14:49:22,899 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 266 [2021-07-10 14:49:23,633 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 291 [2021-07-10 14:49:23,839 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 308 [2021-07-10 14:49:24,110 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 359 [2021-07-10 14:49:24,600 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 420 [2021-07-10 14:49:25,074 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 455 [2021-07-10 14:49:25,911 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 691 [2021-07-10 14:49:27,806 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1889 DAG size of output: 1118 [2021-07-10 14:49:29,835 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1892 DAG size of output: 1121 [2021-07-10 14:49:30,682 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 260 [2021-07-10 14:49:30,853 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 279 [2021-07-10 14:49:33,313 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 2142 DAG size of output: 1310 [2021-07-10 14:49:40,228 WARN L205 SmtUtils]: Spent 6.90 s on a formula simplification. DAG size of input: 4183 DAG size of output: 2576 [2021-07-10 14:49:47,086 WARN L205 SmtUtils]: Spent 6.84 s on a formula simplification. DAG size of input: 4183 DAG size of output: 2576 [2021-07-10 14:49:54,729 WARN L205 SmtUtils]: Spent 7.63 s on a formula simplification. DAG size of input: 4187 DAG size of output: 2581 [2021-07-10 14:49:59,581 WARN L205 SmtUtils]: Spent 4.83 s on a formula simplification. DAG size of input: 2583 DAG size of output: 2783 [2021-07-10 14:49:59,709 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 120 [2021-07-10 14:50:00,020 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 2574 [2021-07-10 14:50:02,254 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 2574 DAG size of output: 2194 [2021-07-10 14:50:02,404 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 858 DAG size of output: 812 [2021-07-10 14:50:02,744 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 808 DAG size of output: 704 [2021-07-10 14:50:03,484 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 586 [2021-07-10 14:50:03,847 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 382 [2021-07-10 14:50:03,985 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 217 [2021-07-10 14:50:04,350 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 238 [2021-07-10 14:50:04,602 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 346 [2021-07-10 14:50:04,892 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 686 DAG size of output: 351 [2021-07-10 14:50:10,295 WARN L205 SmtUtils]: Spent 5.39 s on a formula simplification. DAG size of input: 1436 DAG size of output: 1937 [2021-07-10 14:50:11,017 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 914 DAG size of output: 432 [2021-07-10 14:50:11,372 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2021-07-10 14:50:12,121 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 220 [2021-07-10 14:50:14,947 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 1497 DAG size of output: 1198 [2021-07-10 14:50:18,073 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 2099 DAG size of output: 1470 [2021-07-10 14:50:21,260 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 2099 DAG size of output: 1470 [2021-07-10 14:50:24,528 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 2104 DAG size of output: 1475 [2021-07-10 14:50:25,941 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 546 [2021-07-10 14:50:26,831 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 529 [2021-07-10 14:50:27,183 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 201 [2021-07-10 14:50:27,716 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 244 [2021-07-10 14:50:27,863 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 249 [2021-07-10 14:50:28,165 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 316 [2021-07-10 14:50:28,919 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 262 [2021-07-10 14:50:29,182 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 308 [2021-07-10 14:50:29,659 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 926 DAG size of output: 531 [2021-07-10 14:50:30,144 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 933 DAG size of output: 538 [2021-07-10 14:50:30,625 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 933 DAG size of output: 538 [2021-07-10 14:50:31,154 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 936 DAG size of output: 543 [2021-07-10 14:50:31,642 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 600 [2021-07-10 14:50:31,913 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 337 [2021-07-10 14:50:33,159 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:50:33,161 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:50:33,161 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:50:33,161 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:3 [2021-07-10 14:50:33,167 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:33,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636876257] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:33,167 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:50:33,167 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-10 14:50:33,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590303519] [2021-07-10 14:50:33,167 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-10 14:50:33,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:50:33,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-10 14:50:33,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=977, Unknown=0, NotChecked=0, Total=1056 [2021-07-10 14:50:33,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:33,168 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:50:33,169 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 32 states have internal predecessors, (42), 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 14:50:33,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:33,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:33,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:33,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:33,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:33,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:33,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:33,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:50:33,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:33,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:50:33,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:33,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:50:33,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:33,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:33,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:33,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:33,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:33,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:33,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:33,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:33,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:50:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:50:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:50:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:50:33,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8590 [2021-07-10 14:50:33,781 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:50:33,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:50:33,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1103673944, now seen corresponding path program 12 times [2021-07-10 14:50:33,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:50:33,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618255013] [2021-07-10 14:50:33,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:50:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:50:33,911 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 67 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:33,912 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:50:33,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618255013] [2021-07-10 14:50:33,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618255013] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:33,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577921314] [2021-07-10 14:50:33,912 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 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 14:50:33,943 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 14:50:33,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:50:33,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 14:50:33,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:50:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:34,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577921314] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:34,010 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:50:34,010 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-07-10 14:50:34,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949267033] [2021-07-10 14:50:34,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 14:50:34,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:50:34,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 14:50:34,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-07-10 14:50:34,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:34,011 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:50:34,011 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 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 14:50:34,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:34,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:34,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:34,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:34,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:34,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:34,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:34,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:50:34,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:34,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:50:34,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:34,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:50:34,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:34,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:34,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:50:34,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:50:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:50:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:50:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:50:34,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:50:34,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12346 [2021-07-10 14:50:34,397 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:50:34,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:50:34,397 INFO L82 PathProgramCache]: Analyzing trace with hash -99551577, now seen corresponding path program 13 times [2021-07-10 14:50:34,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:50:34,397 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426290872] [2021-07-10 14:50:34,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:50:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:50:34,582 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:34,583 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:50:34,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426290872] [2021-07-10 14:50:34,583 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426290872] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:34,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186145490] [2021-07-10 14:50:34,583 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 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 14:50:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:50:34,635 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-10 14:50:34,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:50:35,551 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-07-10 14:50:35,551 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:50:35,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 25 new quantified variables, introduced 78 case distinctions, treesize of input 57 treesize of output 667 [2021-07-10 14:50:36,293 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 278 [2021-07-10 14:50:37,000 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 375 [2021-07-10 14:50:37,666 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 301 [2021-07-10 14:50:37,974 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 585 [2021-07-10 14:50:38,495 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 1008 DAG size of output: 784 [2021-07-10 14:50:39,147 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 1044 DAG size of output: 819 [2021-07-10 14:50:40,025 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 312 [2021-07-10 14:50:40,791 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 398 [2021-07-10 14:50:41,447 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 259 [2021-07-10 14:50:41,583 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 323 [2021-07-10 14:50:41,935 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 781 DAG size of output: 623 [2021-07-10 14:50:42,562 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 850 [2021-07-10 14:50:43,309 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 888 [2021-07-10 14:50:44,836 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 2025 DAG size of output: 1572 [2021-07-10 14:50:46,650 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 2054 DAG size of output: 1601 [2021-07-10 14:50:48,813 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 2080 DAG size of output: 1626 [2021-07-10 14:50:51,255 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 2105 DAG size of output: 1650 [2021-07-10 14:50:54,022 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 2132 DAG size of output: 1664 [2021-07-10 14:50:57,152 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 2178 DAG size of output: 1710 [2021-07-10 14:50:57,845 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 325 [2021-07-10 14:50:58,028 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 420 [2021-07-10 14:50:58,910 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 355 [2021-07-10 14:50:59,330 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 669 [2021-07-10 14:51:00,402 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 353 [2021-07-10 14:51:01,165 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 1138 DAG size of output: 926 [2021-07-10 14:51:02,074 WARN L205 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 1178 DAG size of output: 966 [2021-07-10 14:51:02,840 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 398 [2021-07-10 14:51:03,599 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 323 [2021-07-10 14:51:03,954 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 781 DAG size of output: 623 [2021-07-10 14:51:04,779 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 312 [2021-07-10 14:51:05,394 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 850 [2021-07-10 14:51:06,161 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 888 [2021-07-10 14:51:07,999 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 2149 DAG size of output: 1709 [2021-07-10 14:51:10,142 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 2180 DAG size of output: 1740 [2021-07-10 14:51:12,619 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 2208 DAG size of output: 1767 [2021-07-10 14:51:15,518 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 2235 DAG size of output: 1793 [2021-07-10 14:51:18,813 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 2263 DAG size of output: 1807 [2021-07-10 14:51:25,461 WARN L205 SmtUtils]: Spent 6.63 s on a formula simplification. DAG size of input: 4186 DAG size of output: 3026 [2021-07-10 14:51:32,060 WARN L205 SmtUtils]: Spent 6.58 s on a formula simplification. DAG size of input: 4186 DAG size of output: 3026 [2021-07-10 14:51:40,030 WARN L205 SmtUtils]: Spent 7.96 s on a formula simplification. DAG size of input: 4207 DAG size of output: 3047 [2021-07-10 14:51:40,299 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 3038 [2021-07-10 14:51:51,513 WARN L205 SmtUtils]: Spent 11.20 s on a formula simplification. DAG size of input: 3040 DAG size of output: 3953 [2021-07-10 14:51:53,240 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 2056 DAG size of output: 2056 [2021-07-10 14:51:53,432 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1258 DAG size of output: 1258 [2021-07-10 14:51:54,730 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1233 DAG size of output: 1479 [2021-07-10 14:51:56,533 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1232 DAG size of output: 1220 [2021-07-10 14:51:57,873 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1107 DAG size of output: 1067 [2021-07-10 14:51:58,518 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 219 [2021-07-10 14:51:58,702 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 242 [2021-07-10 14:51:58,863 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 367 [2021-07-10 14:51:59,609 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 328 [2021-07-10 14:52:00,247 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 321 [2021-07-10 14:52:00,609 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 344 [2021-07-10 14:52:01,141 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 502 [2021-07-10 14:52:01,789 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 513 [2021-07-10 14:52:02,745 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 670 DAG size of output: 578 [2021-07-10 14:52:03,001 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 240 [2021-07-10 14:52:03,897 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 289 [2021-07-10 14:52:04,070 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 287 [2021-07-10 14:52:04,312 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 342 [2021-07-10 14:52:05,707 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 878 DAG size of output: 694 [2021-07-10 14:52:06,851 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1004 DAG size of output: 1030 [2021-07-10 14:52:07,750 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 283 [2021-07-10 14:52:07,924 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 344 [2021-07-10 14:52:08,360 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 351 [2021-07-10 14:52:08,838 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 1065 [2021-07-10 14:52:09,421 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 213 [2021-07-10 14:52:09,581 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2021-07-10 14:52:09,787 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 367 [2021-07-10 14:52:10,034 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 417 [2021-07-10 14:52:10,147 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 323 [2021-07-10 14:52:10,634 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 365 [2021-07-10 14:52:10,889 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 325 [2021-07-10 14:52:11,236 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 539 [2021-07-10 14:52:11,429 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 415 [2021-07-10 14:52:11,659 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 322 [2021-07-10 14:52:11,779 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 321 [2021-07-10 14:52:12,250 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 363 [2021-07-10 14:52:12,575 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 539 [2021-07-10 14:52:13,351 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 582 [2021-07-10 14:52:14,303 WARN L205 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 594 [2021-07-10 14:52:15,273 WARN L205 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 597 [2021-07-10 14:52:16,550 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 725 DAG size of output: 655 [2021-07-10 14:52:18,333 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 967 DAG size of output: 792 [2021-07-10 14:52:21,820 WARN L205 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 1254 DAG size of output: 995 [2021-07-10 14:52:25,995 WARN L205 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 1278 DAG size of output: 1020 [2021-07-10 14:52:31,905 WARN L205 SmtUtils]: Spent 5.90 s on a formula simplification. DAG size of input: 2090 DAG size of output: 1635 [2021-07-10 14:52:39,344 WARN L205 SmtUtils]: Spent 7.42 s on a formula simplification. DAG size of input: 2889 DAG size of output: 3113 [2021-07-10 14:52:43,963 WARN L205 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 2728 DAG size of output: 2907 [2021-07-10 14:52:51,570 WARN L205 SmtUtils]: Spent 7.59 s on a formula simplification. DAG size of input: 2726 DAG size of output: 3044 [2021-07-10 14:52:52,937 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 2720 DAG size of output: 948 [2021-07-10 14:52:54,458 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 909 DAG size of output: 1025 [2021-07-10 14:52:54,966 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 574 [2021-07-10 14:52:55,194 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 340 [2021-07-10 14:52:55,511 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 246 [2021-07-10 14:52:55,772 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 331 [2021-07-10 14:52:56,087 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 489 [2021-07-10 14:52:56,393 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 341 [2021-07-10 14:52:56,928 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 628 [2021-07-10 14:52:57,576 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 722 DAG size of output: 644 [2021-07-10 14:52:58,336 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 657 [2021-07-10 14:52:59,229 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 749 DAG size of output: 664 [2021-07-10 14:53:00,264 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 755 DAG size of output: 670 [2021-07-10 14:53:01,010 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 657 [2021-07-10 14:53:01,384 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 337 [2021-07-10 14:53:01,564 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 355 [2021-07-10 14:53:01,774 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 361 [2021-07-10 14:53:02,551 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 676 [2021-07-10 14:53:02,920 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 437 [2021-07-10 14:53:03,182 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 318 [2021-07-10 14:53:03,336 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 338 [2021-07-10 14:53:03,866 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 419 [2021-07-10 14:53:04,206 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 443 [2021-07-10 14:53:04,504 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 396 [2021-07-10 14:53:05,008 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 295 [2021-07-10 14:53:05,145 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 319 [2021-07-10 14:53:05,371 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 388 [2021-07-10 14:53:06,019 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 642 [2021-07-10 14:53:06,787 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 657 [2021-07-10 14:53:07,932 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 862 DAG size of output: 797 [2021-07-10 14:53:09,235 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 868 DAG size of output: 803 [2021-07-10 14:53:11,093 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1053 [2021-07-10 14:53:14,280 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 1403 DAG size of output: 1167 [2021-07-10 14:53:17,550 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 1449 DAG size of output: 1218 [2021-07-10 14:53:17,967 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 1316 DAG size of output: 476 [2021-07-10 14:53:18,624 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 518 [2021-07-10 14:53:18,950 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 394 [2021-07-10 14:53:19,450 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 316 [2021-07-10 14:53:19,753 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 283 [2021-07-10 14:53:20,123 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 402 [2021-07-10 14:53:20,383 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 551 [2021-07-10 14:53:20,957 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 341 [2021-07-10 14:53:21,350 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 304 [2021-07-10 14:53:21,739 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 443 [2021-07-10 14:53:22,566 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 667 [2021-07-10 14:53:22,760 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 314 [2021-07-10 14:53:22,870 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 314 [2021-07-10 14:53:23,620 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 267 [2021-07-10 14:53:24,277 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 262 [2021-07-10 14:53:24,585 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 388 [2021-07-10 14:53:25,948 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 774 DAG size of output: 759 [2021-07-10 14:53:27,347 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 796 DAG size of output: 781 [2021-07-10 14:53:32,472 WARN L205 SmtUtils]: Spent 5.12 s on a formula simplification. DAG size of input: 1925 DAG size of output: 1702 [2021-07-10 14:53:34,744 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 2650 DAG size of output: 2647 [2021-07-10 14:53:34,951 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 1540 DAG size of output: 1540 [2021-07-10 14:53:36,282 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1530 DAG size of output: 1658 [2021-07-10 14:53:36,569 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1497 DAG size of output: 1497 [2021-07-10 14:53:36,797 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 1471 DAG size of output: 457 [2021-07-10 14:53:37,592 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 306 [2021-07-10 14:53:37,983 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 365 [2021-07-10 14:53:38,663 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 313 [2021-07-10 14:53:39,041 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 375 [2021-07-10 14:53:39,601 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 391 [2021-07-10 14:53:40,496 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 605 [2021-07-10 14:53:41,461 WARN L205 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 625 [2021-07-10 14:53:42,605 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 716 DAG size of output: 644 [2021-07-10 14:53:43,913 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 731 DAG size of output: 657 [2021-07-10 14:53:44,066 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 293 [2021-07-10 14:53:44,738 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 302 [2021-07-10 14:53:44,854 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 246 [2021-07-10 14:53:45,394 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 310 [2021-07-10 14:53:45,714 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 345 [2021-07-10 14:53:46,123 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 365 [2021-07-10 14:53:46,640 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 385 [2021-07-10 14:53:47,157 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 388 [2021-07-10 14:53:49,251 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 903 DAG size of output: 825 [2021-07-10 14:53:51,639 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 914 DAG size of output: 837 [2021-07-10 14:53:55,683 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 2011 DAG size of output: 1599 [2021-07-10 14:54:05,594 WARN L205 SmtUtils]: Spent 9.90 s on a formula simplification. DAG size of input: 3064 DAG size of output: 2496 [2021-07-10 14:54:07,453 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1612 DAG size of output: 1755 [2021-07-10 14:54:11,238 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 1611 DAG size of output: 1772 [2021-07-10 14:54:12,457 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1602 DAG size of output: 1602 [2021-07-10 14:54:12,595 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 975 DAG size of output: 973 [2021-07-10 14:54:12,820 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 953 DAG size of output: 385 [2021-07-10 14:54:13,251 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 341 [2021-07-10 14:54:13,452 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 405 [2021-07-10 14:54:13,714 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 414 [2021-07-10 14:54:13,964 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 414 [2021-07-10 14:54:14,262 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 421 [2021-07-10 14:54:15,281 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1095 DAG size of output: 882 [2021-07-10 14:54:15,503 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 350 [2021-07-10 14:54:15,674 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 265 [2021-07-10 14:54:16,126 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 229 [2021-07-10 14:54:16,419 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 290 [2021-07-10 14:54:16,525 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 263 [2021-07-10 14:54:17,246 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 286 [2021-07-10 14:54:17,630 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 337 [2021-07-10 14:54:18,193 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 435 [2021-07-10 14:54:18,758 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 435 [2021-07-10 14:54:20,463 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1281 DAG size of output: 1040 [2021-07-10 14:54:23,031 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 1525 DAG size of output: 1683 [2021-07-10 14:54:24,153 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1516 DAG size of output: 1513 [2021-07-10 14:54:25,064 WARN L205 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 884 DAG size of output: 995 [2021-07-10 14:54:25,271 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 348 [2021-07-10 14:54:25,573 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 425 [2021-07-10 14:54:25,774 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 411 [2021-07-10 14:54:25,949 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 284 [2021-07-10 14:54:26,400 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 288 [2021-07-10 14:54:26,594 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 301 [2021-07-10 14:54:27,197 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 401 [2021-07-10 14:54:27,581 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 419 [2021-07-10 14:54:27,990 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 276 [2021-07-10 14:54:28,578 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 520 [2021-07-10 14:54:29,163 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 520 [2021-07-10 14:54:29,278 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 830 [2021-07-10 14:54:29,418 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 808 DAG size of output: 326 [2021-07-10 14:54:29,593 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 372 [2021-07-10 14:54:29,735 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 382 [2021-07-10 14:54:29,885 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 286 [2021-07-10 14:54:30,366 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 294 [2021-07-10 14:54:30,796 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 376 [2021-07-10 14:54:31,491 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 484 [2021-07-10 14:54:31,999 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 494 [2021-07-10 14:54:32,600 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 508 [2021-07-10 14:54:33,883 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 649 DAG size of output: 573 [2021-07-10 14:54:35,994 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 1288 DAG size of output: 1036 [2021-07-10 14:54:36,191 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 791 DAG size of output: 322 [2021-07-10 14:54:36,366 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 263 [2021-07-10 14:54:37,082 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 286 [2021-07-10 14:54:37,353 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 384 [2021-07-10 14:54:37,509 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 385 [2021-07-10 14:54:37,639 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 258 [2021-07-10 14:54:38,268 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 345 [2021-07-10 14:54:38,872 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 293 [2021-07-10 14:54:39,287 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 487 [2021-07-10 14:54:39,998 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 566 [2021-07-10 14:54:40,716 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 566 [2021-07-10 14:54:43,843 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 1606 DAG size of output: 1327 [2021-07-10 14:54:49,231 WARN L205 SmtUtils]: Spent 5.38 s on a formula simplification. DAG size of input: 1866 DAG size of output: 1565 [2021-07-10 14:55:06,301 WARN L205 SmtUtils]: Spent 17.06 s on a formula simplification. DAG size of input: 4028 DAG size of output: 3353 [2021-07-10 14:55:31,627 WARN L205 SmtUtils]: Spent 25.30 s on a formula simplification. DAG size of input: 5378 DAG size of output: 4401 [2021-07-10 14:55:56,843 WARN L205 SmtUtils]: Spent 25.19 s on a formula simplification. DAG size of input: 5378 DAG size of output: 4401 [2021-07-10 14:56:39,909 WARN L205 SmtUtils]: Spent 43.03 s on a formula simplification. DAG size of input: 5388 DAG size of output: 5458 [2021-07-10 14:56:48,164 WARN L205 SmtUtils]: Spent 8.23 s on a formula simplification. DAG size of input: 2059 DAG size of output: 2555 [2021-07-10 14:56:55,792 WARN L205 SmtUtils]: Spent 7.61 s on a formula simplification. DAG size of input: 1965 DAG size of output: 2319 [2021-07-10 14:56:57,362 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1597 DAG size of output: 710 [2021-07-10 14:56:58,378 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 605 DAG size of output: 693 [2021-07-10 14:56:58,764 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 517 [2021-07-10 14:56:58,934 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 322 [2021-07-10 14:56:59,144 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 232 [2021-07-10 14:56:59,311 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 253 [2021-07-10 14:56:59,663 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 367 [2021-07-10 14:57:00,812 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 604 DAG size of output: 515 [2021-07-10 14:57:01,546 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 448 [2021-07-10 14:57:01,793 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 390 [2021-07-10 14:57:02,097 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 285 [2021-07-10 14:57:02,460 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 219 [2021-07-10 14:57:02,609 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 233 [2021-07-10 14:57:02,747 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 243 [2021-07-10 14:57:02,924 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 223 [2021-07-10 14:57:03,151 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 261 [2021-07-10 14:57:03,370 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 280 [2021-07-10 14:57:03,817 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 349 [2021-07-10 14:57:04,455 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 439 [2021-07-10 14:57:04,962 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 435 [2021-07-10 14:57:05,436 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 222 [2021-07-10 14:57:05,546 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 318 [2021-07-10 14:57:05,866 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 252 [2021-07-10 14:57:06,166 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 331 [2021-07-10 14:57:07,250 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 582 DAG size of output: 498 [2021-07-10 14:57:07,448 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 301 [2021-07-10 14:57:07,722 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 255 [2021-07-10 14:57:08,783 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 667 DAG size of output: 513 [2021-07-10 14:57:10,131 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 866 DAG size of output: 568 [2021-07-10 14:57:11,669 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 965 DAG size of output: 662 [2021-07-10 14:57:13,195 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 987 DAG size of output: 850 [2021-07-10 14:57:14,191 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 163 [2021-07-10 14:57:14,426 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 185 [2021-07-10 14:57:14,764 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 289 [2021-07-10 14:57:15,144 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 305 [2021-07-10 14:57:16,414 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 937 DAG size of output: 779 [2021-07-10 14:57:19,467 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 1668 DAG size of output: 1205 [2021-07-10 14:57:21,009 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1030 DAG size of output: 771 [2021-07-10 14:57:21,346 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 323 [2021-07-10 14:57:22,250 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2021-07-10 14:57:22,722 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 203 [2021-07-10 14:57:22,870 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 222 [2021-07-10 14:57:23,159 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 322 [2021-07-10 14:57:23,979 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 620 [2021-07-10 14:57:26,378 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 2205 DAG size of output: 918 [2021-07-10 14:57:50,510 WARN L205 SmtUtils]: Spent 24.10 s on a formula simplification. DAG size of input: 4055 DAG size of output: 4839 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown