/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 20:39:09,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 20:39:10,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 20:39:10,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 20:39:10,041 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-Random42.epf [2021-07-14 20:39:10,055 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 20:39:10,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 20:39:10,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 20:39:10,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 20:39:10,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 20:39:10,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 20:39:10,057 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 20:39:10,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 20:39:10,057 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 20:39:10,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 20:39:10,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 20:39:10,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 20:39:10,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 20:39:10,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 20:39:10,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 20:39:10,058 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 20:39:10,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 20:39:10,058 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 20:39:10,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 20:39:10,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 20:39:10,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 20:39:10,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 20:39:10,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 20:39:10,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:39:10,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 20:39:10,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 20:39:10,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 20:39:10,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 20:39:10,059 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 20:39:10,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 20:39:10,059 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 20:39:10,059 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 20:39:10,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 20:39:10,060 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 20:39:10,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 20:39:10,060 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 20:39:10,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 20:39:10,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 20:39:10,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 20:39:10,282 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 20:39:10,283 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 20:39:10,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl [2021-07-14 20:39:10,283 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-07-14 20:39:10,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 20:39:10,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 20:39:10,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 20:39:10,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 20:39:10,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 20:39:10,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:39:10" (1/1) ... [2021-07-14 20:39:10,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:39:10" (1/1) ... [2021-07-14 20:39:10,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 20:39:10,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 20:39:10,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 20:39:10,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 20:39:10,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:39:10" (1/1) ... [2021-07-14 20:39:10,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:39:10" (1/1) ... [2021-07-14 20:39:10,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:39:10" (1/1) ... [2021-07-14 20:39:10,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:39:10" (1/1) ... [2021-07-14 20:39:10,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:39:10" (1/1) ... [2021-07-14 20:39:10,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:39:10" (1/1) ... [2021-07-14 20:39:10,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:39:10" (1/1) ... [2021-07-14 20:39:10,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 20:39:10,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 20:39:10,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 20:39:10,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 20:39:10,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:39:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:39:10,400 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 20:39:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 20:39:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 20:39:10,400 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 20:39:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 20:39:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 20:39:10,400 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 20:39:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 20:39:10,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 20:39:10,401 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 20:39:10,738 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 20:39:10,738 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 20:39:10,739 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 20:39:10,740 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:39:10 BoogieIcfgContainer [2021-07-14 20:39:10,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 20:39:10,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 20:39:10,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 20:39:10,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 20:39:10,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:39:10" (1/2) ... [2021-07-14 20:39:10,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5a6bf4 and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:39:10, skipping insertion in model container [2021-07-14 20:39:10,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:39:10" (2/2) ... [2021-07-14 20:39:10,745 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-07-14 20:39:10,749 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 20:39:10,749 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 20:39:10,749 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 20:39:10,749 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 20:39:10,765 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 20:39:10,780 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 20:39:10,814 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 20:39:10,814 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 20:39:10,814 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 20:39:10,814 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 20:39:10,814 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 20:39:10,814 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 20:39:10,814 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 20:39:10,814 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 20:39:10,872 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:10,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:10,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1257501397, now seen corresponding path program 1 times [2021-07-14 20:39:10,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:10,880 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892793938] [2021-07-14 20:39:10,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:11,083 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:11,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892793938] [2021-07-14 20:39:11,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892793938] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:39:11,084 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:39:11,084 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 20:39:11,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735582774] [2021-07-14 20:39:11,088 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 20:39:11,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:39:11,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 20:39:11,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 20:39:11,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:11,101 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:39:11,105 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:39:11,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:11,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:11,134 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 20:39:11,134 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:11,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:11,137 INFO L82 PathProgramCache]: Analyzing trace with hash -784245969, now seen corresponding path program 1 times [2021-07-14 20:39:11,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:11,137 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542868723] [2021-07-14 20:39:11,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:11,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:11,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542868723] [2021-07-14 20:39:11,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542868723] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:11,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963054341] [2021-07-14 20:39:11,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:11,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 20:39:11,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:39:11,539 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:11,540 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 15 treesize of output 37 [2021-07-14 20:39:11,569 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 20:39:11,593 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:11,593 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 [2021-07-14 20:39:11,595 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 20:39:11,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 20:39:11,598 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:39:11,648 INFO L628 ElimStorePlain]: treesize reduction 34, result has 39.3 percent of original size [2021-07-14 20:39:11,650 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:39:11,650 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:73, output treesize:22 [2021-07-14 20:39:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:11,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963054341] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:11,681 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:39:11,681 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-14 20:39:11,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437237348] [2021-07-14 20:39:11,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 20:39:11,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:39:11,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 20:39:11,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-07-14 20:39:11,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:11,683 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:39:11,683 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:39:11,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:11,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:11,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:11,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:12,072 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:12,072 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:12,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:12,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1026930671, now seen corresponding path program 2 times [2021-07-14 20:39:12,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:12,073 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014851748] [2021-07-14 20:39:12,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:12,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:12,121 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:12,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014851748] [2021-07-14 20:39:12,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014851748] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:12,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249555162] [2021-07-14 20:39:12,121 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) [2021-07-14 20:39:12,173 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:39:12,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:12,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 20:39:12,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:39:12,315 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 936 DAG size of output: 39 [2021-07-14 20:39:12,422 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:12,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-14 20:39:12,433 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:39:12,434 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:12,435 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:39:12,435 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-14 20:39:12,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:12,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249555162] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:12,443 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:39:12,443 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-14 20:39:12,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846809162] [2021-07-14 20:39:12,443 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 20:39:12,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:39:12,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 20:39:12,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-14 20:39:12,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:12,444 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:39:12,444 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) [2021-07-14 20:39:12,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:12,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:12,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:12,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:12,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:12,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:12,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:12,910 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:12,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:12,910 INFO L82 PathProgramCache]: Analyzing trace with hash 657996117, now seen corresponding path program 3 times [2021-07-14 20:39:12,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:12,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893547683] [2021-07-14 20:39:12,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:12,944 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:12,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:12,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893547683] [2021-07-14 20:39:12,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893547683] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:39:12,945 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:39:12,945 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 20:39:12,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185368044] [2021-07-14 20:39:12,945 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 20:39:12,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:39:12,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 20:39:12,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-14 20:39:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:12,946 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:39:12,946 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:39:12,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:12,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:12,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:12,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:13,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:13,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:13,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:13,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:13,039 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-07-14 20:39:13,039 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:13,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:13,040 INFO L82 PathProgramCache]: Analyzing trace with hash 857239282, now seen corresponding path program 1 times [2021-07-14 20:39:13,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:13,040 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109063177] [2021-07-14 20:39:13,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:13,058 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:13,058 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109063177] [2021-07-14 20:39:13,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109063177] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:13,058 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566803189] [2021-07-14 20:39:13,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:13,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 20:39:13,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:39:13,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:13,116 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566803189] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:13,116 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:39:13,116 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-14 20:39:13,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140630793] [2021-07-14 20:39:13,116 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 20:39:13,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:39:13,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 20:39:13,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-14 20:39:13,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:13,118 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:39:13,118 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:39:13,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:13,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:13,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:13,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:13,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:13,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:13,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:13,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:13,386 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:13,386 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:13,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:13,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1683807088, now seen corresponding path program 2 times [2021-07-14 20:39:13,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:13,387 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131475902] [2021-07-14 20:39:13,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:13,415 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:13,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131475902] [2021-07-14 20:39:13,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131475902] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:13,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866413099] [2021-07-14 20:39:13,416 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:13,444 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:39:13,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:39:13,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 20:39:13,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:39:13,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:13,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866413099] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:13,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:39:13,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-14 20:39:13,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131646451] [2021-07-14 20:39:13,471 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 20:39:13,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:39:13,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 20:39:13,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-14 20:39:13,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:13,472 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:39:13,472 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:39:13,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:13,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:13,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:13,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:13,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:13,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:13,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:13,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:13,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:13,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:13,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:13,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:13,746 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 20:39:13,747 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:13,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:13,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1148134066, now seen corresponding path program 3 times [2021-07-14 20:39:13,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:13,747 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438831431] [2021-07-14 20:39:13,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:13,776 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:13,776 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:13,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438831431] [2021-07-14 20:39:13,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438831431] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:13,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764548111] [2021-07-14 20:39:13,776 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:13,801 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 20:39:13,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:39:13,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 20:39:13,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:39:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:13,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764548111] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:13,830 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:39:13,830 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-14 20:39:13,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069010688] [2021-07-14 20:39:13,830 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 20:39:13,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:39:13,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 20:39:13,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-07-14 20:39:13,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:13,831 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:39:13,831 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:39:13,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:13,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:13,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:13,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:13,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:13,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:13,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:13,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:13,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:13,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:13,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:13,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:13,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:14,107 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 20:39:14,107 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:14,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:14,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1256003376, now seen corresponding path program 4 times [2021-07-14 20:39:14,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:14,108 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699069354] [2021-07-14 20:39:14,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:14,217 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:14,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699069354] [2021-07-14 20:39:14,218 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699069354] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:14,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505762307] [2021-07-14 20:39:14,218 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:14,251 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:39:14,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:39:14,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 20:39:14,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:39:14,421 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:14,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-14 20:39:14,441 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:39:14,442 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:14,442 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:39:14,442 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-14 20:39:14,446 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:14,447 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505762307] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:14,447 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:39:14,447 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-14 20:39:14,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020490186] [2021-07-14 20:39:14,447 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 20:39:14,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:39:14,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 20:39:14,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-07-14 20:39:14,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:14,448 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:39:14,448 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) [2021-07-14 20:39:14,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:14,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:14,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:14,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:14,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:14,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:14,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:14,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:14,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:14,808 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:14,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:14,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1525147250, now seen corresponding path program 5 times [2021-07-14 20:39:14,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:14,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600290947] [2021-07-14 20:39:14,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:14,902 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:14,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:14,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600290947] [2021-07-14 20:39:14,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600290947] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:14,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982826921] [2021-07-14 20:39:14,903 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:14,954 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 20:39:14,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:39:14,955 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 20:39:14,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:39:15,148 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:15,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-14 20:39:15,194 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:39:15,196 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:15,196 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:39:15,196 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-14 20:39:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:15,200 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982826921] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:15,200 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:39:15,200 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-14 20:39:15,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084405190] [2021-07-14 20:39:15,201 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 20:39:15,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:39:15,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 20:39:15,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-14 20:39:15,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:15,202 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:39:15,202 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) [2021-07-14 20:39:15,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:15,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:15,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:15,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:15,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:15,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:15,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:15,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:15,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:15,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:15,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:15,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:15,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:15,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:15,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:15,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:15,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:15,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:15,549 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-07-14 20:39:15,549 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:15,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:15,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1841470736, now seen corresponding path program 6 times [2021-07-14 20:39:15,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:15,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442927068] [2021-07-14 20:39:15,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:15,714 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:15,715 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:15,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442927068] [2021-07-14 20:39:15,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442927068] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:15,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158381930] [2021-07-14 20:39:15,715 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:15,758 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 20:39:15,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:39:15,759 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 20:39:15,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:39:16,006 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:16,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-14 20:39:16,265 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:39:16,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:16,267 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:39:16,267 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-14 20:39:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:16,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158381930] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:16,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:39:16,271 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-14 20:39:16,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450304268] [2021-07-14 20:39:16,272 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 20:39:16,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:39:16,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 20:39:16,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-07-14 20:39:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:16,272 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:39:16,273 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:39:16,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:16,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:16,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:16,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:16,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:16,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:16,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:16,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:16,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:16,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:16,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:16,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:16,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:16,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:16,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:16,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:16,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:16,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:16,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:16,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:16,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-14 20:39:16,661 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:16,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:16,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1237403086, now seen corresponding path program 7 times [2021-07-14 20:39:16,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:16,662 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812085383] [2021-07-14 20:39:16,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:16,771 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:16,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:16,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812085383] [2021-07-14 20:39:16,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812085383] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:16,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126680327] [2021-07-14 20:39:16,771 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:16,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 20:39:16,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:39:17,077 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:17,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-07-14 20:39:17,555 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:39:17,556 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:17,557 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:39:17,557 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-14 20:39:17,561 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:17,561 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126680327] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:17,561 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:39:17,561 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-14 20:39:17,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889429452] [2021-07-14 20:39:17,561 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 20:39:17,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:39:17,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 20:39:17,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-14 20:39:17,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:17,562 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:39:17,562 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 20 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) [2021-07-14 20:39:17,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:17,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:17,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:17,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:17,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:17,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:17,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:17,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:17,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:17,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:17,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:17,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:18,030 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:18,030 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:18,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:18,030 INFO L82 PathProgramCache]: Analyzing trace with hash 321827779, now seen corresponding path program 8 times [2021-07-14 20:39:18,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:18,031 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129702692] [2021-07-14 20:39:18,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:18,102 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:18,103 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:18,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129702692] [2021-07-14 20:39:18,103 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129702692] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:18,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839710380] [2021-07-14 20:39:18,103 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:18,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:39:18,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:39:18,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 20:39:18,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:39:18,196 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:18,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839710380] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:18,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:39:18,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-07-14 20:39:18,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566851514] [2021-07-14 20:39:18,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 20:39:18,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:39:18,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 20:39:18,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2021-07-14 20:39:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:18,197 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:39:18,198 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:39:18,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:18,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:18,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:18,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:18,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:18,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:18,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:18,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:18,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:18,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:18,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:18,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:39:18,555 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable209 [2021-07-14 20:39:18,555 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:18,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:18,555 INFO L82 PathProgramCache]: Analyzing trace with hash 2101756240, now seen corresponding path program 9 times [2021-07-14 20:39:18,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:18,556 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245418377] [2021-07-14 20:39:18,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:18,653 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:18,653 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:18,653 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245418377] [2021-07-14 20:39:18,653 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245418377] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:18,653 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918406537] [2021-07-14 20:39:18,653 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:18,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 20:39:18,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:39:18,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 20:39:18,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:39:18,745 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:18,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918406537] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:18,745 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:39:18,745 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-07-14 20:39:18,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804030318] [2021-07-14 20:39:18,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 20:39:18,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:39:18,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 20:39:18,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-07-14 20:39:18,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:18,746 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:39:18,746 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:39:18,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:18,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:18,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:18,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:18,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:18,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:18,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:18,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:18,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:18,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:18,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:18,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:39:18,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:18,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:18,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:18,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:39:18,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:19,070 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable210 [2021-07-14 20:39:19,071 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:19,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:19,071 INFO L82 PathProgramCache]: Analyzing trace with hash 756551781, now seen corresponding path program 10 times [2021-07-14 20:39:19,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:19,071 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345872775] [2021-07-14 20:39:19,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:19,210 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:19,210 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:19,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345872775] [2021-07-14 20:39:19,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345872775] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:19,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795500299] [2021-07-14 20:39:19,210 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:19,238 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:39:19,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:39:19,239 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-14 20:39:19,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:39:19,722 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 20:39:19,722 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:19,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-14 20:39:20,931 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 278 [2021-07-14 20:39:21,059 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 309 [2021-07-14 20:39:21,181 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 309 [2021-07-14 20:39:21,326 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 315 [2021-07-14 20:39:21,460 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 331 [2021-07-14 20:39:21,798 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 277 [2021-07-14 20:39:22,430 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:39:22,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:22,431 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:39:22,431 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-14 20:39:22,435 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:22,435 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795500299] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:22,435 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:39:22,435 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-07-14 20:39:22,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693222547] [2021-07-14 20:39:22,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 20:39:22,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:39:22,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 20:39:22,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-07-14 20:39:22,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:22,438 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:39:22,438 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:39:22,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:22,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:22,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:22,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:22,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:22,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:22,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:22,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:22,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:22,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:22,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:22,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:39:22,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:22,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:22,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:22,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:22,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:22,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:39:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:39:23,057 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable211 [2021-07-14 20:39:23,057 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:23,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:23,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1348093955, now seen corresponding path program 11 times [2021-07-14 20:39:23,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:23,058 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252414821] [2021-07-14 20:39:23,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:23,234 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:23,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:23,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252414821] [2021-07-14 20:39:23,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252414821] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:23,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225194180] [2021-07-14 20:39:23,235 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:23,265 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 20:39:23,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:39:23,266 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-14 20:39:23,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:39:23,795 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-14 20:39:23,795 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:23,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-14 20:39:24,564 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 233 [2021-07-14 20:39:25,769 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 251 [2021-07-14 20:39:25,975 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 345 [2021-07-14 20:39:27,209 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 347 [2021-07-14 20:39:27,640 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 493 [2021-07-14 20:39:28,070 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 493 [2021-07-14 20:39:28,635 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 436 [2021-07-14 20:39:29,032 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 233 [2021-07-14 20:39:29,174 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 202 [2021-07-14 20:39:29,867 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:39:29,868 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:29,868 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:39:29,868 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-14 20:39:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:29,872 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225194180] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:29,872 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:39:29,873 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-07-14 20:39:29,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462173851] [2021-07-14 20:39:29,873 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 20:39:29,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:39:29,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 20:39:29,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-07-14 20:39:29,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:29,874 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:39:29,874 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 28 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:39:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:39:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:39:29,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:39:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:39:30,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:39:30,451 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable543,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:30,452 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:30,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:30,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1788935131, now seen corresponding path program 12 times [2021-07-14 20:39:30,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:30,452 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478763793] [2021-07-14 20:39:30,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:30,673 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:30,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478763793] [2021-07-14 20:39:30,673 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478763793] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:30,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273991899] [2021-07-14 20:39:30,674 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:30,706 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 20:39:30,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:39:30,707 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-14 20:39:30,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:39:31,327 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-14 20:39:31,352 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:31,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-14 20:39:32,098 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 340 [2021-07-14 20:39:32,259 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 360 [2021-07-14 20:39:32,436 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 392 [2021-07-14 20:39:33,162 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 469 [2021-07-14 20:39:33,448 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 469 [2021-07-14 20:39:33,789 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 488 [2021-07-14 20:39:34,069 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 568 [2021-07-14 20:39:34,784 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 507 [2021-07-14 20:39:34,940 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 321 [2021-07-14 20:39:36,260 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 274 [2021-07-14 20:39:36,484 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 367 [2021-07-14 20:39:36,785 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 387 [2021-07-14 20:39:37,077 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 387 [2021-07-14 20:39:37,411 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 330 [2021-07-14 20:39:37,892 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 369 [2021-07-14 20:39:38,239 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 235 [2021-07-14 20:39:38,789 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 314 [2021-07-14 20:39:39,038 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 320 [2021-07-14 20:39:39,297 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 320 [2021-07-14 20:39:39,569 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 323 [2021-07-14 20:39:39,871 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 369 [2021-07-14 20:39:40,389 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 193 [2021-07-14 20:39:41,377 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:39:41,379 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:41,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:39:41,379 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-14 20:39:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:41,383 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273991899] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:41,383 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:39:41,383 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-14 20:39:41,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560938825] [2021-07-14 20:39:41,383 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 20:39:41,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:39:41,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 20:39:41,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-07-14 20:39:41,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:41,384 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:39:41,384 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 30 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) [2021-07-14 20:39:41,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:41,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:41,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:41,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:41,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:41,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:41,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:41,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:41,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:41,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:41,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:41,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:39:41,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:41,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:39:41,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:39:41,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:39:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:39:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:39:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:39:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:39:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:39:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:39:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:39:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:39:41,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:39:41,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:39:41,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:39:41,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:39:41,981 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable993 [2021-07-14 20:39:41,981 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:39:41,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:39:41,981 INFO L82 PathProgramCache]: Analyzing trace with hash -252588989, now seen corresponding path program 13 times [2021-07-14 20:39:41,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:39:41,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522688922] [2021-07-14 20:39:41,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:39:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:42,170 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:39:42,170 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:39:42,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522688922] [2021-07-14 20:39:42,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522688922] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:39:42,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146134787] [2021-07-14 20:39:42,170 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:39:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:39:42,200 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-14 20:39:42,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:39:42,879 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-14 20:39:42,880 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:39:42,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-07-14 20:39:44,057 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 358 [2021-07-14 20:39:44,620 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 261 [2021-07-14 20:39:45,364 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 387 [2021-07-14 20:39:45,888 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 631 [2021-07-14 20:39:47,025 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 333 [2021-07-14 20:39:47,903 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 295 [2021-07-14 20:39:48,271 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 500 [2021-07-14 20:39:49,322 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1324 DAG size of output: 1017 [2021-07-14 20:39:50,561 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1364 DAG size of output: 1056 [2021-07-14 20:39:51,783 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1364 DAG size of output: 1056 [2021-07-14 20:39:53,230 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1381 DAG size of output: 1073 [2021-07-14 20:39:55,843 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 1075 DAG size of output: 1642 [2021-07-14 20:39:57,974 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 1070 DAG size of output: 1502 [2021-07-14 20:39:59,768 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1029 DAG size of output: 1412 [2021-07-14 20:40:01,028 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 988 DAG size of output: 882 [2021-07-14 20:40:01,340 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 366 [2021-07-14 20:40:01,492 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 301 [2021-07-14 20:40:01,644 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 316 [2021-07-14 20:40:02,931 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 263 [2021-07-14 20:40:03,703 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 388 [2021-07-14 20:40:04,427 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 226 [2021-07-14 20:40:05,219 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 263 [2021-07-14 20:40:06,118 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 284 [2021-07-14 20:40:06,422 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 383 [2021-07-14 20:40:06,957 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 526 [2021-07-14 20:40:07,971 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 917 DAG size of output: 722 [2021-07-14 20:40:09,175 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1028 DAG size of output: 763 [2021-07-14 20:40:10,584 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 235 [2021-07-14 20:40:10,796 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 325 [2021-07-14 20:40:11,927 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 274 [2021-07-14 20:40:12,361 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 444 [2021-07-14 20:40:12,924 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 502 [2021-07-14 20:40:13,508 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 744 DAG size of output: 547 [2021-07-14 20:40:14,223 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 813 DAG size of output: 586 [2021-07-14 20:40:16,238 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 1593 DAG size of output: 1125 [2021-07-14 20:40:18,735 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 1717 DAG size of output: 1145 [2021-07-14 20:40:21,663 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 2164 DAG size of output: 1586 [2021-07-14 20:40:22,448 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 1025 DAG size of output: 806 [2021-07-14 20:40:23,440 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 290 [2021-07-14 20:40:23,629 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 310 [2021-07-14 20:40:23,874 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 333 [2021-07-14 20:40:24,192 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 376 [2021-07-14 20:40:24,569 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 387 [2021-07-14 20:40:25,740 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 263 [2021-07-14 20:40:25,901 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 268 [2021-07-14 20:40:26,186 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 335 [2021-07-14 20:40:26,561 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 494 DAG size of output: 396 [2021-07-14 20:40:27,258 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 581 [2021-07-14 20:40:28,488 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 271 [2021-07-14 20:40:28,652 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 306 [2021-07-14 20:40:28,911 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 425 [2021-07-14 20:40:29,246 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 430 [2021-07-14 20:40:29,908 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 287 [2021-07-14 20:40:30,089 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 292 [2021-07-14 20:40:30,687 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 549 [2021-07-14 20:40:31,433 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 614 [2021-07-14 20:40:32,203 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 258 [2021-07-14 20:40:33,405 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 286 [2021-07-14 20:40:33,575 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 314 [2021-07-14 20:40:33,857 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 435 [2021-07-14 20:40:34,195 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 440 [2021-07-14 20:40:34,551 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 456 [2021-07-14 20:40:35,114 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 537 [2021-07-14 20:40:35,819 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 575 [2021-07-14 20:40:37,216 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1143 DAG size of output: 912 [2021-07-14 20:40:39,606 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 1545 DAG size of output: 1276 [2021-07-14 20:40:42,511 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 1844 DAG size of output: 1382 [2021-07-14 20:40:48,661 WARN L205 SmtUtils]: Spent 6.14 s on a formula simplification. DAG size of input: 3555 DAG size of output: 2644 [2021-07-14 20:40:49,363 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 359 [2021-07-14 20:40:49,521 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 364 [2021-07-14 20:40:49,692 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 370 [2021-07-14 20:40:50,445 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 373 [2021-07-14 20:40:50,627 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 378 [2021-07-14 20:40:50,803 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 384 [2021-07-14 20:40:51,192 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 648 [2021-07-14 20:40:51,655 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 735 DAG size of output: 652 [2021-07-14 20:40:59,148 WARN L205 SmtUtils]: Spent 7.49 s on a formula simplification. DAG size of input: 4166 DAG size of output: 3135 [2021-07-14 20:41:08,478 WARN L205 SmtUtils]: Spent 9.31 s on a formula simplification. DAG size of input: 4673 DAG size of output: 3641 [2021-07-14 20:41:11,360 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 956 DAG size of output: 1388 [2021-07-14 20:41:11,479 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 950 DAG size of output: 950 [2021-07-14 20:41:12,092 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 332 [2021-07-14 20:41:12,226 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 335 [2021-07-14 20:41:12,363 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 341 [2021-07-14 20:41:13,014 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 341 [2021-07-14 20:41:13,172 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 344 [2021-07-14 20:41:13,320 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-14 20:41:13,654 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 608 [2021-07-14 20:41:14,656 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 494 DAG size of output: 349 [2021-07-14 20:41:14,819 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 355 [2021-07-14 20:41:15,362 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 1108 DAG size of output: 791 [2021-07-14 20:41:16,025 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 1112 DAG size of output: 795 [2021-07-14 20:41:17,712 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 911 DAG size of output: 1251 [2021-07-14 20:41:18,921 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 870 DAG size of output: 800 [2021-07-14 20:41:19,223 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 346 [2021-07-14 20:41:19,456 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 267 [2021-07-14 20:41:19,604 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 263 [2021-07-14 20:41:20,738 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 235 [2021-07-14 20:41:20,988 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 300 [2021-07-14 20:41:22,061 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 240 [2021-07-14 20:41:22,945 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 246 [2021-07-14 20:41:23,714 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 248 [2021-07-14 20:41:24,033 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 379 [2021-07-14 20:41:24,626 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 497 [2021-07-14 20:41:25,652 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 868 DAG size of output: 703 [2021-07-14 20:41:26,828 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 238 [2021-07-14 20:41:27,359 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 305 [2021-07-14 20:41:28,469 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 260 [2021-07-14 20:41:28,904 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 426 [2021-07-14 20:41:29,487 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 493 [2021-07-14 20:41:30,107 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 536 [2021-07-14 20:41:31,728 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1278 DAG size of output: 989 [2021-07-14 20:41:33,724 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 1403 DAG size of output: 991 [2021-07-14 20:41:36,145 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 1817 DAG size of output: 1358 [2021-07-14 20:41:36,915 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 731 [2021-07-14 20:41:37,405 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 431 [2021-07-14 20:41:38,190 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2021-07-14 20:41:38,308 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 248 [2021-07-14 20:41:39,623 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 281 [2021-07-14 20:41:39,904 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 381 [2021-07-14 20:41:40,298 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 467 [2021-07-14 20:41:40,799 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 470 [2021-07-14 20:41:41,842 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 274 [2021-07-14 20:41:42,533 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 377 [2021-07-14 20:41:42,812 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 380 [2021-07-14 20:41:43,272 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 451 [2021-07-14 20:41:43,939 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 257 [2021-07-14 20:41:44,086 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 281 [2021-07-14 20:41:44,516 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 351 [2021-07-14 20:41:45,195 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 289 [2021-07-14 20:41:45,346 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 305 [2021-07-14 20:41:45,762 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 500 [2021-07-14 20:41:46,274 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 503 [2021-07-14 20:41:47,278 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 851 DAG size of output: 694 [2021-07-14 20:41:48,992 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1244 DAG size of output: 988 [2021-07-14 20:41:50,876 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1434 DAG size of output: 1149 [2021-07-14 20:41:53,127 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1706 DAG size of output: 1149 [2021-07-14 20:41:58,185 WARN L205 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 3131 DAG size of output: 2188 [2021-07-14 20:42:04,808 WARN L205 SmtUtils]: Spent 6.61 s on a formula simplification. DAG size of input: 4071 DAG size of output: 2905 [2021-07-14 20:42:13,078 WARN L205 SmtUtils]: Spent 8.25 s on a formula simplification. DAG size of input: 4554 DAG size of output: 3413 [2021-07-14 20:42:31,065 WARN L205 SmtUtils]: Spent 17.96 s on a formula simplification. DAG size of input: 8491 DAG size of output: 5884 [2021-07-14 20:42:49,087 WARN L205 SmtUtils]: Spent 17.99 s on a formula simplification. DAG size of input: 8491 DAG size of output: 5884 [2021-07-14 20:43:09,455 WARN L205 SmtUtils]: Spent 20.34 s on a formula simplification. DAG size of input: 8504 DAG size of output: 5897 [2021-07-14 20:43:25,476 WARN L205 SmtUtils]: Spent 15.99 s on a formula simplification. DAG size of input: 5899 DAG size of output: 5759 [2021-07-14 20:43:42,144 WARN L205 SmtUtils]: Spent 16.64 s on a formula simplification. DAG size of input: 4096 DAG size of output: 4890 [2021-07-14 20:43:47,043 WARN L205 SmtUtils]: Spent 4.88 s on a formula simplification. DAG size of input: 1334 DAG size of output: 2115 [2021-07-14 20:43:51,640 WARN L205 SmtUtils]: Spent 4.59 s on a formula simplification. DAG size of input: 1331 DAG size of output: 1795 [2021-07-14 20:43:56,484 WARN L205 SmtUtils]: Spent 4.83 s on a formula simplification. DAG size of input: 1326 DAG size of output: 1824 [2021-07-14 20:43:56,666 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 773 DAG size of output: 773 [2021-07-14 20:43:57,295 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 512 [2021-07-14 20:43:58,304 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 235 [2021-07-14 20:43:58,407 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 226 [2021-07-14 20:43:58,758 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 215 [2021-07-14 20:43:59,123 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 279 [2021-07-14 20:43:59,506 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 448 [2021-07-14 20:43:59,758 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 284 [2021-07-14 20:43:59,934 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 197 [2021-07-14 20:44:00,385 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 275 [2021-07-14 20:44:00,786 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 220 [2021-07-14 20:44:01,028 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 333 [2021-07-14 20:44:01,344 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 360 [2021-07-14 20:44:02,074 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 984 DAG size of output: 641 [2021-07-14 20:44:03,011 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 727 [2021-07-14 20:44:03,640 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 445 [2021-07-14 20:44:04,398 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 245 [2021-07-14 20:44:04,600 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 333 [2021-07-14 20:44:05,423 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 318 [2021-07-14 20:44:05,658 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 297 [2021-07-14 20:44:05,991 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 217 [2021-07-14 20:44:06,193 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 291 [2021-07-14 20:44:06,520 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 400 [2021-07-14 20:44:06,935 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 447 [2021-07-14 20:44:07,560 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 810 DAG size of output: 501 [2021-07-14 20:44:09,269 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1632 DAG size of output: 1040 [2021-07-14 20:44:12,445 WARN L205 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 2849 DAG size of output: 1650 [2021-07-14 20:44:17,407 WARN L205 SmtUtils]: Spent 4.95 s on a formula simplification. DAG size of input: 1321 DAG size of output: 1815 [2021-07-14 20:44:18,154 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 506 [2021-07-14 20:44:18,963 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 283 [2021-07-14 20:44:19,179 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 274 [2021-07-14 20:44:19,369 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 254 [2021-07-14 20:44:19,813 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 291 [2021-07-14 20:44:19,939 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 196 [2021-07-14 20:44:20,566 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 366 [2021-07-14 20:44:20,984 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 430 [2021-07-14 20:44:22,016 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 203 [2021-07-14 20:44:22,273 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 341 [2021-07-14 20:44:22,840 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 538 [2021-07-14 20:44:23,635 WARN L205 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 639 [2021-07-14 20:44:24,283 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 446 [2021-07-14 20:44:25,429 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 224 [2021-07-14 20:44:25,630 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 245 [2021-07-14 20:44:26,270 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 232 [2021-07-14 20:44:26,735 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 196 [2021-07-14 20:44:26,846 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 198 [2021-07-14 20:44:27,134 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 354 [2021-07-14 20:44:27,669 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 478 [2021-07-14 20:44:28,368 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 561 [2021-07-14 20:44:30,114 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1531 DAG size of output: 1045 [2021-07-14 20:44:33,549 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 2741 DAG size of output: 1651 [2021-07-14 20:44:41,712 WARN L205 SmtUtils]: Spent 8.15 s on a formula simplification. DAG size of input: 4258 DAG size of output: 2585 [2021-07-14 20:44:46,272 WARN L205 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 1133 DAG size of output: 1535 [2021-07-14 20:44:50,969 WARN L205 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 1128 DAG size of output: 1582 [2021-07-14 20:44:51,625 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 421 [2021-07-14 20:44:52,497 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 210 [2021-07-14 20:44:53,108 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 301 [2021-07-14 20:44:53,445 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 358 [2021-07-14 20:44:54,013 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 473 [2021-07-14 20:44:54,704 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 230 [2021-07-14 20:44:54,916 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 264 [2021-07-14 20:44:55,097 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 257 [2021-07-14 20:44:55,611 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 226 [2021-07-14 20:44:55,785 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 247 [2021-07-14 20:44:56,127 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 409 [2021-07-14 20:44:56,578 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 461 [2021-07-14 20:44:57,503 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 901 DAG size of output: 630 [2021-07-14 20:44:59,896 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 1900 DAG size of output: 1208 [2021-07-14 20:45:00,060 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 1113 [2021-07-14 20:45:01,126 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 783 DAG size of output: 770 [2021-07-14 20:45:01,712 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 434 [2021-07-14 20:45:02,960 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 378 [2021-07-14 20:45:03,595 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 542 [2021-07-14 20:45:03,877 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 417 [2021-07-14 20:45:04,244 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 389 [2021-07-14 20:45:04,816 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 293 [2021-07-14 20:45:05,407 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 339 [2021-07-14 20:45:06,433 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 839 DAG size of output: 603 [2021-07-14 20:45:08,389 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 1180 DAG size of output: 861 [2021-07-14 20:45:09,105 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 229 [2021-07-14 20:45:09,664 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 315 [2021-07-14 20:45:12,325 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 1535 DAG size of output: 1108 [2021-07-14 20:45:13,309 WARN L205 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 705 [2021-07-14 20:45:13,950 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 510 [2021-07-14 20:45:14,761 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 262 [2021-07-14 20:45:15,562 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 504 [2021-07-14 20:45:15,697 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 316 [2021-07-14 20:45:15,910 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 262 [2021-07-14 20:45:16,439 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 234 [2021-07-14 20:45:16,741 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 273 [2021-07-14 20:45:18,029 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 830 DAG size of output: 644 [2021-07-14 20:45:18,751 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 229 [2021-07-14 20:45:19,371 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 315 [2021-07-14 20:45:21,250 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1181 DAG size of output: 894 [2021-07-14 20:45:24,359 WARN L205 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 2026 DAG size of output: 1203 [2021-07-14 20:45:28,831 WARN L205 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 3396 DAG size of output: 1644 [2021-07-14 20:45:39,888 WARN L205 SmtUtils]: Spent 11.04 s on a formula simplification. DAG size of input: 6916 DAG size of output: 3083 [2021-07-14 20:45:40,439 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 4078 [2021-07-14 20:45:50,045 WARN L205 SmtUtils]: Spent 9.59 s on a formula simplification. DAG size of input: 2621 DAG size of output: 4230 [2021-07-14 20:45:58,632 WARN L205 SmtUtils]: Spent 8.57 s on a formula simplification. DAG size of input: 2421 DAG size of output: 3001 [2021-07-14 20:46:11,540 WARN L205 SmtUtils]: Spent 12.89 s on a formula simplification. DAG size of input: 2412 DAG size of output: 3271 [2021-07-14 20:46:11,706 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2021-07-14 20:46:13,912 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 1055 DAG size of output: 997 [2021-07-14 20:46:14,109 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 976 [2021-07-14 20:46:14,719 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 408 [2021-07-14 20:46:15,194 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 388 [2021-07-14 20:46:15,603 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 322 [2021-07-14 20:46:15,892 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 363 [2021-07-14 20:46:16,356 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 477 [2021-07-14 20:46:17,441 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 801 DAG size of output: 604 [2021-07-14 20:46:18,102 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 619 [2021-07-14 20:46:19,578 WARN L205 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 583 [2021-07-14 20:46:20,246 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 225 [2021-07-14 20:46:20,403 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 239 [2021-07-14 20:46:20,907 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 467 [2021-07-14 20:46:21,608 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 543 [2021-07-14 20:46:22,457 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 600 [2021-07-14 20:46:23,907 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1536 DAG size of output: 939 [2021-07-14 20:46:25,452 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1537 DAG size of output: 940 [2021-07-14 20:46:25,615 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 246 [2021-07-14 20:46:26,419 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 275 [2021-07-14 20:46:26,605 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 280 [2021-07-14 20:46:28,540 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1793 DAG size of output: 1135 [2021-07-14 20:46:36,272 WARN L205 SmtUtils]: Spent 7.72 s on a formula simplification. DAG size of input: 4048 DAG size of output: 3160 [2021-07-14 20:46:36,529 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 2409 [2021-07-14 20:46:40,793 WARN L205 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 1918 DAG size of output: 1815 [2021-07-14 20:46:47,987 WARN L205 SmtUtils]: Spent 7.18 s on a formula simplification. DAG size of input: 1795 DAG size of output: 2473 [2021-07-14 20:46:48,546 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 170 [2021-07-14 20:46:48,935 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 205 [2021-07-14 20:46:49,191 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 388 [2021-07-14 20:46:49,542 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 378 [2021-07-14 20:46:49,985 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 284 [2021-07-14 20:46:50,105 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 186 [2021-07-14 20:46:50,495 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 356 [2021-07-14 20:46:50,994 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 736 DAG size of output: 471 [2021-07-14 20:46:51,655 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 757 DAG size of output: 488 [2021-07-14 20:46:52,395 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 548 [2021-07-14 20:46:53,340 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 297 [2021-07-14 20:46:54,210 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 318 [2021-07-14 20:46:54,651 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 545 [2021-07-14 20:46:55,785 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1420 DAG size of output: 841 [2021-07-14 20:47:02,785 WARN L205 SmtUtils]: Spent 6.99 s on a formula simplification. DAG size of input: 3080 DAG size of output: 2093 [2021-07-14 20:47:10,518 WARN L205 SmtUtils]: Spent 7.72 s on a formula simplification. DAG size of input: 3095 DAG size of output: 2101 [2021-07-14 20:47:11,104 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 606 [2021-07-14 20:47:11,440 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 390 [2021-07-14 20:47:11,677 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 360 [2021-07-14 20:47:12,353 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 289 [2021-07-14 20:47:12,817 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 462 [2021-07-14 20:47:13,087 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 348 [2021-07-14 20:47:13,269 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 331 [2021-07-14 20:47:14,058 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 288 [2021-07-14 20:47:14,521 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 450 [2021-07-14 20:47:14,642 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 263 [2021-07-14 20:47:15,384 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 345 [2021-07-14 20:47:16,164 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 838 DAG size of output: 638 [2021-07-14 20:47:17,600 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1335 DAG size of output: 994 [2021-07-14 20:47:19,266 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1351 DAG size of output: 1009 [2021-07-14 20:47:29,733 WARN L205 SmtUtils]: Spent 10.46 s on a formula simplification. DAG size of input: 4299 DAG size of output: 2964 [2021-07-14 20:47:40,636 WARN L205 SmtUtils]: Spent 10.88 s on a formula simplification. DAG size of input: 6939 DAG size of output: 4004 [2021-07-14 20:47:49,430 WARN L205 SmtUtils]: Spent 8.76 s on a formula simplification. DAG size of input: 2615 DAG size of output: 3227 [2021-07-14 20:48:02,779 WARN L205 SmtUtils]: Spent 13.33 s on a formula simplification. DAG size of input: 2606 DAG size of output: 3532 [2021-07-14 20:48:02,965 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 1336 [2021-07-14 20:48:05,406 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 1148 DAG size of output: 1095 [2021-07-14 20:48:05,622 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1079 DAG size of output: 1079 [2021-07-14 20:48:05,785 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 450 [2021-07-14 20:48:06,432 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 246 [2021-07-14 20:48:06,574 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 254 [2021-07-14 20:48:06,908 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 183 [2021-07-14 20:48:07,171 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 234 [2021-07-14 20:48:07,335 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 236 [2021-07-14 20:48:07,718 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 413 [2021-07-14 20:48:08,184 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 440 [2021-07-14 20:48:08,789 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 761 DAG size of output: 516 [2021-07-14 20:48:09,660 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 931 [2021-07-14 20:48:09,979 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 363 [2021-07-14 20:48:10,406 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 303 [2021-07-14 20:48:10,705 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 395 [2021-07-14 20:48:11,120 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 311 [2021-07-14 20:48:11,688 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 412 [2021-07-14 20:48:12,179 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 860 DAG size of output: 548 [2021-07-14 20:48:13,410 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 652 DAG size of output: 881 [2021-07-14 20:48:14,313 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 313 [2021-07-14 20:48:14,574 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 262 [2021-07-14 20:48:14,884 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 273 [2021-07-14 20:48:15,276 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 505 [2021-07-14 20:48:16,263 WARN L205 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 847 [2021-07-14 20:48:18,005 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1514 DAG size of output: 1175 [2021-07-14 20:48:20,650 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 2088 DAG size of output: 1517 [2021-07-14 20:48:23,508 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 2089 DAG size of output: 1517 [2021-07-14 20:48:23,855 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 414 [2021-07-14 20:48:24,028 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 262 [2021-07-14 20:48:24,242 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 332 [2021-07-14 20:48:24,647 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2021-07-14 20:48:25,272 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 319 [2021-07-14 20:48:25,535 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 404 [2021-07-14 20:48:25,915 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 495 [2021-07-14 20:48:26,374 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 500 [2021-07-14 20:48:27,007 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 617 [2021-07-14 20:48:30,919 WARN L205 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 2724 DAG size of output: 1897 [2021-07-14 20:48:40,343 WARN L205 SmtUtils]: Spent 9.41 s on a formula simplification. DAG size of input: 5143 DAG size of output: 4113 [2021-07-14 20:48:54,400 WARN L205 SmtUtils]: Spent 14.03 s on a formula simplification. DAG size of input: 2602 DAG size of output: 3525 [2021-07-14 20:48:58,867 WARN L205 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 1337 DAG size of output: 1924 [2021-07-14 20:49:03,506 WARN L205 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 1042 DAG size of output: 1577 [2021-07-14 20:49:03,760 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 1007 DAG size of output: 1007 [2021-07-14 20:49:05,642 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 951 DAG size of output: 883 [2021-07-14 20:49:06,474 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 256 [2021-07-14 20:49:07,388 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 240 [2021-07-14 20:49:07,535 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 273 [2021-07-14 20:49:07,856 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 839 DAG size of output: 409 [2021-07-14 20:49:08,228 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 842 DAG size of output: 412 [2021-07-14 20:49:08,824 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 480 [2021-07-14 20:49:10,973 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1685 DAG size of output: 1052 [2021-07-14 20:49:13,777 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1259 [2021-07-14 20:49:17,184 WARN L205 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 1074 DAG size of output: 1528 [2021-07-14 20:49:17,378 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 918 DAG size of output: 918 [2021-07-14 20:49:18,727 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 505 DAG size of output: 773 [2021-07-14 20:49:19,217 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 450 [2021-07-14 20:49:19,874 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 268 [2021-07-14 20:49:20,497 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 806 DAG size of output: 571 [2021-07-14 20:49:21,312 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 238 [2021-07-14 20:49:21,516 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 321 [2021-07-14 20:49:22,205 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 284 [2021-07-14 20:49:22,620 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 729 DAG size of output: 538 [2021-07-14 20:49:23,812 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1395 DAG size of output: 950 [2021-07-14 20:49:26,432 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 2119 DAG size of output: 1531 [2021-07-14 20:49:26,721 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 396 [2021-07-14 20:49:27,413 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 306 [2021-07-14 20:49:28,004 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 303 [2021-07-14 20:49:28,355 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 466 [2021-07-14 20:49:28,871 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 587 [2021-07-14 20:49:32,575 WARN L205 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 2695 DAG size of output: 1879 [2021-07-14 20:49:39,193 WARN L205 SmtUtils]: Spent 6.61 s on a formula simplification. DAG size of input: 3924 DAG size of output: 2685 [2021-07-14 20:49:51,953 WARN L205 SmtUtils]: Spent 12.73 s on a formula simplification. DAG size of input: 6318 DAG size of output: 4905 [2021-07-14 20:50:15,247 WARN L205 SmtUtils]: Spent 23.27 s on a formula simplification. DAG size of input: 8303 DAG size of output: 6216 [2021-07-14 20:50:42,036 WARN L205 SmtUtils]: Spent 26.74 s on a formula simplification. DAG size of input: 13693 DAG size of output: 7161 [2021-07-14 20:50:52,599 WARN L205 SmtUtils]: Spent 10.52 s on a formula simplification. DAG size of input: 2086 DAG size of output: 3294 [2021-07-14 20:50:59,460 WARN L205 SmtUtils]: Spent 6.84 s on a formula simplification. DAG size of input: 2080 DAG size of output: 2565 [2021-07-14 20:51:08,906 WARN L205 SmtUtils]: Spent 9.43 s on a formula simplification. DAG size of input: 2078 DAG size of output: 2891 [2021-07-14 20:51:13,094 WARN L205 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 1287 DAG size of output: 1877 [2021-07-14 20:51:15,765 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 1260 DAG size of output: 1207 [2021-07-14 20:51:15,881 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2021-07-14 20:51:17,283 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 607 DAG size of output: 828 [2021-07-14 20:51:18,034 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 605 [2021-07-14 20:51:18,775 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 437 [2021-07-14 20:51:19,218 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 516 [2021-07-14 20:51:20,278 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1158 DAG size of output: 846 [2021-07-14 20:51:20,406 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 655 [2021-07-14 20:51:20,990 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 307 [2021-07-14 20:51:21,749 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 736 DAG size of output: 538 [2021-07-14 20:51:23,463 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1697 DAG size of output: 1193 [2021-07-14 20:51:24,221 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 276 [2021-07-14 20:51:26,508 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 1989 DAG size of output: 1384 [2021-07-14 20:51:26,770 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 1000 DAG size of output: 1000 [2021-07-14 20:51:28,803 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 953 DAG size of output: 899 [2021-07-14 20:51:31,403 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 881 DAG size of output: 1368 [2021-07-14 20:51:32,103 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 258 [2021-07-14 20:51:32,526 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 442 [2021-07-14 20:51:33,189 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 860 DAG size of output: 391 [2021-07-14 20:51:34,395 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1518 DAG size of output: 864 [2021-07-14 20:51:35,735 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1521 DAG size of output: 867 [2021-07-14 20:51:37,309 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1576 DAG size of output: 909 [2021-07-14 20:51:41,627 WARN L205 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 3044 DAG size of output: 1984 [2021-07-14 20:51:50,422 WARN L205 SmtUtils]: Spent 8.78 s on a formula simplification. DAG size of input: 4907 DAG size of output: 3707 [2021-07-14 20:52:00,138 WARN L205 SmtUtils]: Spent 9.69 s on a formula simplification. DAG size of input: 2070 DAG size of output: 2882 [2021-07-14 20:52:00,644 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 1278 DAG size of output: 1282 [2021-07-14 20:52:00,803 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2021-07-14 20:52:01,452 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 266 [2021-07-14 20:52:01,609 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 271 [2021-07-14 20:52:03,901 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 1120 DAG size of output: 1067 [2021-07-14 20:52:04,012 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 1051 [2021-07-14 20:52:04,777 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 250 [2021-07-14 20:52:05,474 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 377 [2021-07-14 20:52:05,832 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 660 DAG size of output: 387 [2021-07-14 20:52:06,302 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 463 [2021-07-14 20:52:06,426 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 656 [2021-07-14 20:52:06,892 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 268 [2021-07-14 20:52:07,259 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 352 [2021-07-14 20:52:07,790 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 264 [2021-07-14 20:52:07,945 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 278 [2021-07-14 20:52:08,485 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 626 [2021-07-14 20:52:09,690 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1385 DAG size of output: 879 [2021-07-14 20:52:10,978 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1386 DAG size of output: 879 [2021-07-14 20:52:12,629 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1648 DAG size of output: 1081 [2021-07-14 20:52:18,040 WARN L205 SmtUtils]: Spent 5.40 s on a formula simplification. DAG size of input: 3513 DAG size of output: 2881 [2021-07-14 20:52:36,698 WARN L205 SmtUtils]: Spent 18.64 s on a formula simplification. DAG size of input: 6251 DAG size of output: 5002 [2021-07-14 20:52:43,283 WARN L205 SmtUtils]: Spent 6.56 s on a formula simplification. DAG size of input: 1930 DAG size of output: 2389 [2021-07-14 20:52:52,899 WARN L205 SmtUtils]: Spent 9.60 s on a formula simplification. DAG size of input: 1928 DAG size of output: 2690 [2021-07-14 20:52:53,043 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 1168 [2021-07-14 20:52:55,187 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 1010 DAG size of output: 962 [2021-07-14 20:52:55,838 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 234 [2021-07-14 20:52:56,394 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 273 [2021-07-14 20:52:56,777 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 733 DAG size of output: 499 [2021-07-14 20:52:57,709 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 294 [2021-07-14 20:52:57,937 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 325 [2021-07-14 20:52:58,250 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 398 [2021-07-14 20:52:58,935 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 613 [2021-07-14 20:52:59,671 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 1119 DAG size of output: 614 [2021-07-14 20:52:59,832 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 254 [2021-07-14 20:53:00,051 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 304 [2021-07-14 20:53:00,650 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 218 [2021-07-14 20:53:00,851 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 307 [2021-07-14 20:53:01,103 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 312 [2021-07-14 20:53:02,224 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1431 DAG size of output: 830 [2021-07-14 20:53:07,257 WARN L205 SmtUtils]: Spent 5.02 s on a formula simplification. DAG size of input: 3168 DAG size of output: 2446 [2021-07-14 20:53:15,985 WARN L205 SmtUtils]: Spent 8.71 s on a formula simplification. DAG size of input: 1920 DAG size of output: 2682 [2021-07-14 20:53:16,126 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 1162 [2021-07-14 20:53:20,577 WARN L205 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 1008 DAG size of output: 1587 [2021-07-14 20:53:22,272 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 862 DAG size of output: 810 [2021-07-14 20:53:22,435 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 791 DAG size of output: 791 [2021-07-14 20:53:22,996 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 237 [2021-07-14 20:53:23,588 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 231 [2021-07-14 20:53:23,779 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 739 DAG size of output: 274 [2021-07-14 20:53:24,005 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 277 [2021-07-14 20:53:25,259 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 573 DAG size of output: 783 [2021-07-14 20:53:25,882 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 264 [2021-07-14 20:53:26,503 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 842 DAG size of output: 588 [2021-07-14 20:53:26,962 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 436 [2021-07-14 20:53:27,161 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-14 20:53:27,651 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 355 [2021-07-14 20:53:28,370 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 543 [2021-07-14 20:53:29,530 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1408 DAG size of output: 905 [2021-07-14 20:53:31,159 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1790 DAG size of output: 1059 [2021-07-14 20:53:31,314 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 248 [2021-07-14 20:53:31,965 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 266 [2021-07-14 20:53:32,143 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 271 [2021-07-14 20:53:34,259 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 2054 DAG size of output: 1260 [2021-07-14 20:53:40,103 WARN L205 SmtUtils]: Spent 5.83 s on a formula simplification. DAG size of input: 3784 DAG size of output: 2913 [2021-07-14 20:53:48,064 WARN L205 SmtUtils]: Spent 7.95 s on a formula simplification. DAG size of input: 5022 DAG size of output: 3343 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown