/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 20:44:38,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 20:44:38,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 20:44:38,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 20:44:38,758 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-DelaySleep-NoLbe-Random521.epf [2021-06-06 20:44:38,802 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 20:44:38,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 20:44:38,803 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 20:44:38,803 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 20:44:38,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 20:44:38,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 20:44:38,805 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 20:44:38,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 20:44:38,806 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 20:44:38,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 20:44:38,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 20:44:38,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 20:44:38,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 20:44:38,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 20:44:38,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 20:44:38,807 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 20:44:38,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 20:44:38,807 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 20:44:38,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 20:44:38,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 20:44:38,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 20:44:38,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 20:44:38,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 20:44:38,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 20:44:38,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 20:44:38,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 20:44:38,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 20:44:38,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 20:44:38,809 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 20:44:38,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 20:44:38,809 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 20:44:38,809 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 20:44:38,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 20:44:38,810 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 20:44:38,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 20:44:38,810 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 20:44:39,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 20:44:39,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 20:44:39,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 20:44:39,135 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 20:44:39,139 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 20:44:39,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl [2021-06-06 20:44:39,322 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl' [2021-06-06 20:44:39,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 20:44:39,352 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 20:44:39,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 20:44:39,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 20:44:39,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 20:44:39,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:44:39" (1/1) ... [2021-06-06 20:44:39,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:44:39" (1/1) ... [2021-06-06 20:44:39,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 20:44:39,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 20:44:39,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 20:44:39,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 20:44:39,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:44:39" (1/1) ... [2021-06-06 20:44:39,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:44:39" (1/1) ... [2021-06-06 20:44:39,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:44:39" (1/1) ... [2021-06-06 20:44:39,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:44:39" (1/1) ... [2021-06-06 20:44:39,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:44:39" (1/1) ... [2021-06-06 20:44:39,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:44:39" (1/1) ... [2021-06-06 20:44:39,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:44:39" (1/1) ... [2021-06-06 20:44:39,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 20:44:39,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 20:44:39,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 20:44:39,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 20:44:39,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:44:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 20:44:39,470 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 20:44:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 20:44:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 20:44:39,471 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 20:44:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 20:44:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 20:44:39,471 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 20:44:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 20:44:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 20:44:39,473 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 20:44:39,637 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 20:44:39,638 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-06 20:44:39,638 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-06 20:44:39,657 INFO L202 PluginConnector]: Adding new model unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:44:39 BoogieIcfgContainer [2021-06-06 20:44:39,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 20:44:39,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 20:44:39,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 20:44:39,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 20:44:39,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:44:39" (1/2) ... [2021-06-06 20:44:39,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f7750c and model type unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:44:39, skipping insertion in model container [2021-06-06 20:44:39,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:44:39" (2/2) ... [2021-06-06 20:44:39,664 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.bpl [2021-06-06 20:44:39,668 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 20:44:39,668 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 20:44:39,669 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 20:44:39,669 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 20:44:39,708 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 20:44:39,742 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 20:44:39,823 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 20:44:39,823 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 20:44:39,824 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 20:44:39,824 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 20:44:39,824 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 20:44:39,824 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 20:44:39,824 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 20:44:39,824 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 20:44:39,846 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:44:39,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:44:39,850 INFO L82 PathProgramCache]: Analyzing trace with hash -254409033, now seen corresponding path program 1 times [2021-06-06 20:44:39,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:44:39,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586384732] [2021-06-06 20:44:39,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:44:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:40,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:40,059 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:44:40,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586384732] [2021-06-06 20:44:40,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586384732] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:44:40,060 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:44:40,061 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 20:44:40,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906092911] [2021-06-06 20:44:40,064 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 20:44:40,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:44:40,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 20:44:40,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-06 20:44:40,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:40,077 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:44:40,078 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) [2021-06-06 20:44:40,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:40,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:40,105 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 20:44:40,106 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:44:40,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:44:40,109 INFO L82 PathProgramCache]: Analyzing trace with hash 512871281, now seen corresponding path program 1 times [2021-06-06 20:44:40,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:44:40,109 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090675066] [2021-06-06 20:44:40,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:44:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:40,178 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:44:40,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090675066] [2021-06-06 20:44:40,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090675066] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:40,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113953675] [2021-06-06 20:44:40,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:44:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:40,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 20:44:40,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:44:40,431 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 [2021-06-06 20:44:40,433 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:44:40,435 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:40,439 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 20:44:40,443 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-06-06 20:44:40,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:40,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113953675] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:40,462 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:44:40,463 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-06 20:44:40,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562177779] [2021-06-06 20:44:40,464 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 20:44:40,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:44:40,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 20:44:40,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-06 20:44:40,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:40,466 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:44:40,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 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) [2021-06-06 20:44:40,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:40,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:40,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:40,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:40,724 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:44:40,725 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:44:40,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:44:40,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1471242761, now seen corresponding path program 2 times [2021-06-06 20:44:40,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:44:40,726 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851534718] [2021-06-06 20:44:40,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:44:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:40,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:40,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:44:40,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851534718] [2021-06-06 20:44:40,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851534718] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:40,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128261881] [2021-06-06 20:44:40,780 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:44:40,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 20:44:40,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:44:40,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-06 20:44:40,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:44:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:40,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128261881] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:44:40,862 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 20:44:40,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2021-06-06 20:44:40,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427861618] [2021-06-06 20:44:40,863 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 20:44:40,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:44:40,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 20:44:40,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-06 20:44:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:40,864 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:44:40,864 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:44:40,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:40,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:40,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:40,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:40,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:40,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:41,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:44:41,113 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:44:41,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:44:41,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1770388066, now seen corresponding path program 1 times [2021-06-06 20:44:41,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:44:41,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078409676] [2021-06-06 20:44:41,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:44:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:41,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:41,183 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:44:41,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078409676] [2021-06-06 20:44:41,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078409676] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:41,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714449995] [2021-06-06 20:44:41,183 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 [2021-06-06 20:44:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:41,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 20:44:41,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:44:41,428 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:41,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-06-06 20:44:41,434 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:44:41,436 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:41,437 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 20:44:41,437 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-06-06 20:44:41,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:41,447 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714449995] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:41,448 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:44:41,448 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-06 20:44:41,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186204804] [2021-06-06 20:44:41,449 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 20:44:41,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:44:41,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 20:44:41,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-06-06 20:44:41,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:41,451 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:44:41,451 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:44:41,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:41,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:41,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:41,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:41,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:41,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:41,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:41,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:41,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:44:41,777 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:44:41,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:44:41,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1538503004, now seen corresponding path program 2 times [2021-06-06 20:44:41,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:44:41,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689146721] [2021-06-06 20:44:41,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:44:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:41,876 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:41,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:44:41,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689146721] [2021-06-06 20:44:41,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689146721] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:41,879 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976159776] [2021-06-06 20:44:41,879 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 [2021-06-06 20:44:41,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 20:44:41,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:44:41,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 20:44:41,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:44:42,083 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:42,084 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 [2021-06-06 20:44:42,101 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:44:42,103 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:42,103 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 20:44:42,103 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-06 20:44:42,109 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:42,109 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976159776] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:42,109 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:44:42,109 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-06 20:44:42,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381496501] [2021-06-06 20:44:42,110 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 20:44:42,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:44:42,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 20:44:42,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-06-06 20:44:42,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:42,111 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:44:42,111 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:44:42,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:42,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:42,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:42,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:42,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:42,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:42,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:42,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:42,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:42,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:42,429 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:44:42,430 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:44:42,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:44:42,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1354966622, now seen corresponding path program 3 times [2021-06-06 20:44:42,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:44:42,430 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923705480] [2021-06-06 20:44:42,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:44:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:42,494 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:42,495 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:44:42,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923705480] [2021-06-06 20:44:42,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923705480] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:42,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281083051] [2021-06-06 20:44:42,495 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 [2021-06-06 20:44:42,546 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 20:44:42,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:44:42,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 20:44:42,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:44:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:42,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281083051] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:42,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:44:42,609 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-06 20:44:42,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440414409] [2021-06-06 20:44:42,609 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 20:44:42,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:44:42,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 20:44:42,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-06-06 20:44:42,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:42,610 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:44:42,611 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:44:42,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:42,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:42,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:42,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:42,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:42,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:42,891 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:44:42,892 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:44:42,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:44:42,892 INFO L82 PathProgramCache]: Analyzing trace with hash -919090873, now seen corresponding path program 4 times [2021-06-06 20:44:42,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:44:42,892 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770834967] [2021-06-06 20:44:42,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:44:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:43,012 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:43,012 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:44:43,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770834967] [2021-06-06 20:44:43,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770834967] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:43,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673588239] [2021-06-06 20:44:43,018 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 [2021-06-06 20:44:43,052 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 20:44:43,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:44:43,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 20:44:43,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:44:43,351 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:43,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-06 20:44:43,393 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:44:43,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:43,395 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 20:44:43,395 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-06 20:44:43,401 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:43,401 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673588239] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:43,401 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:44:43,401 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-06 20:44:43,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54904809] [2021-06-06 20:44:43,402 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 20:44:43,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:44:43,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 20:44:43,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-06-06 20:44:43,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:43,403 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:44:43,403 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) [2021-06-06 20:44:43,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:43,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:43,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:43,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:43,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:43,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:43,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:43,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:43,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:43,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:43,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:43,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:43,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:43,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:43,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-06 20:44:43,812 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:44:43,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:44:43,812 INFO L82 PathProgramCache]: Analyzing trace with hash 861379201, now seen corresponding path program 5 times [2021-06-06 20:44:43,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:44:43,813 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252901171] [2021-06-06 20:44:43,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:44:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:43,923 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:43,923 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:44:43,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252901171] [2021-06-06 20:44:43,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252901171] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:43,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559369186] [2021-06-06 20:44:43,923 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 [2021-06-06 20:44:43,948 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 20:44:43,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:44:43,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-06 20:44:43,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:44:44,217 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:44,217 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 [2021-06-06 20:44:44,360 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:44:44,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:44,362 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 20:44:44,362 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-06-06 20:44:44,367 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:44,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559369186] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:44,368 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:44:44,368 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-06 20:44:44,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375768387] [2021-06-06 20:44:44,369 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 20:44:44,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:44:44,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 20:44:44,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-06-06 20:44:44,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:44,370 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:44:44,370 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 18 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:44:44,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:44,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:44,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:44,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:44,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:44,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:44,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:44,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:44,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:44,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:44,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:44,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:44,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:44,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:44,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:44,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:44,745 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-06-06 20:44:44,745 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:44:44,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:44:44,745 INFO L82 PathProgramCache]: Analyzing trace with hash 221376647, now seen corresponding path program 6 times [2021-06-06 20:44:44,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:44:44,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078125219] [2021-06-06 20:44:44,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:44:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:44,821 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:44,822 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:44:44,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078125219] [2021-06-06 20:44:44,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078125219] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:44,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456853386] [2021-06-06 20:44:44,824 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 [2021-06-06 20:44:44,864 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 20:44:44,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:44:44,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 20:44:44,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:44:44,921 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:44,921 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456853386] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:44,921 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:44:44,921 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-06-06 20:44:44,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121799908] [2021-06-06 20:44:44,922 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 20:44:44,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:44:44,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 20:44:44,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-06-06 20:44:44,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:44,923 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:44:44,923 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:44:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:44,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:44,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:44,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:45,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:44:45,253 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-06-06 20:44:45,254 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:44:45,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:44:45,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1700641730, now seen corresponding path program 7 times [2021-06-06 20:44:45,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:44:45,254 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625248155] [2021-06-06 20:44:45,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:44:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:45,416 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:45,416 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:44:45,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625248155] [2021-06-06 20:44:45,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625248155] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:45,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447118834] [2021-06-06 20:44:45,417 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 [2021-06-06 20:44:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:45,445 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-06 20:44:45,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:44:45,807 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:45,807 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 [2021-06-06 20:44:46,118 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:44:46,120 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:46,120 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 20:44:46,120 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-06 20:44:46,125 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:46,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447118834] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:46,125 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:44:46,125 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-06 20:44:46,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866803542] [2021-06-06 20:44:46,126 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 20:44:46,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:44:46,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 20:44:46,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-06-06 20:44:46,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:46,127 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:44:46,127 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.36) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:44:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:44:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:44:46,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:44:46,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-06-06 20:44:46,641 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:44:46,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:44:46,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1732194500, now seen corresponding path program 8 times [2021-06-06 20:44:46,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:44:46,641 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989398316] [2021-06-06 20:44:46,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:44:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:46,792 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:46,792 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:44:46,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989398316] [2021-06-06 20:44:46,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989398316] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:46,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098140747] [2021-06-06 20:44:46,792 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 [2021-06-06 20:44:46,820 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 20:44:46,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:44:46,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-06 20:44:46,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:44:47,210 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:47,211 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 [2021-06-06 20:44:47,902 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:44:47,904 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:47,904 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 20:44:47,904 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-06-06 20:44:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:47,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098140747] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:47,909 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:44:47,909 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-06 20:44:47,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385678602] [2021-06-06 20:44:47,910 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 20:44:47,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:44:47,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 20:44:47,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-06-06 20:44:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:47,911 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:44:47,911 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 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) [2021-06-06 20:44:47,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:47,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:47,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:47,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:47,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:47,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:47,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:47,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:47,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:44:47,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:44:47,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:48,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:44:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:44:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:48,368 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-06-06 20:44:48,368 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:44:48,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:44:48,368 INFO L82 PathProgramCache]: Analyzing trace with hash 775935230, now seen corresponding path program 9 times [2021-06-06 20:44:48,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:44:48,369 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189345108] [2021-06-06 20:44:48,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:44:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:48,484 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:48,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:44:48,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189345108] [2021-06-06 20:44:48,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189345108] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:48,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72929620] [2021-06-06 20:44:48,484 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 [2021-06-06 20:44:48,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 20:44:48,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:44:48,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 20:44:48,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:44:48,588 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:48,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72929620] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:48,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:44:48,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-06 20:44:48,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199181593] [2021-06-06 20:44:48,590 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 20:44:48,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:44:48,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 20:44:48,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-06-06 20:44:48,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:48,590 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:44:48,590 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:44:48,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:48,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:48,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:48,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:48,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:48,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:48,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:48,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:48,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:44:48,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:44:48,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:48,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:48,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:48,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:48,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:48,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:48,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:48,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:48,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:48,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:48,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:44:48,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:44:48,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:48,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:44:48,942 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:44:48,943 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:44:48,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:44:48,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1689194841, now seen corresponding path program 10 times [2021-06-06 20:44:48,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:44:48,943 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262080551] [2021-06-06 20:44:48,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:44:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:49,131 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:49,131 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:44:49,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262080551] [2021-06-06 20:44:49,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262080551] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:49,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590406202] [2021-06-06 20:44:49,132 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 [2021-06-06 20:44:49,161 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 20:44:49,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:44:49,162 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-06 20:44:49,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:44:49,760 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-06 20:44:49,760 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:49,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-06-06 20:44:50,257 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 191 [2021-06-06 20:44:51,948 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:44:51,950 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:51,950 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 20:44:51,950 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-06 20:44:51,955 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:51,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590406202] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:51,955 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:44:51,955 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-06-06 20:44:51,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617351634] [2021-06-06 20:44:51,956 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 20:44:51,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:44:51,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 20:44:51,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-06-06 20:44:51,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:51,957 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:44:51,957 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) [2021-06-06 20:44:51,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:51,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:51,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:51,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:51,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:51,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:51,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:51,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:51,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:44:51,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:44:51,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:51,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:44:51,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:44:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:44:52,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:52,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:44:52,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 20:44:52,577 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-06-06 20:44:52,577 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:44:52,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:44:52,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1531351967, now seen corresponding path program 11 times [2021-06-06 20:44:52,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:44:52,578 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350158927] [2021-06-06 20:44:52,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:44:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:52,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:44:52,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350158927] [2021-06-06 20:44:52,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350158927] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:52,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022977695] [2021-06-06 20:44:52,771 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 [2021-06-06 20:44:52,808 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 20:44:52,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:44:52,809 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-06 20:44:52,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:44:53,337 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-06 20:44:53,338 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:53,338 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 [2021-06-06 20:44:54,606 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-06-06 20:44:55,390 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 192 [2021-06-06 20:44:55,494 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-06-06 20:44:55,642 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-06-06 20:44:55,925 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-06 20:44:56,209 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-06 20:44:56,530 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-06-06 20:44:56,941 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-06-06 20:44:57,678 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-06 20:44:57,802 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-06 20:44:57,989 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-06-06 20:44:58,992 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 174 [2021-06-06 20:44:59,162 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:44:59,163 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:44:59,164 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 20:44:59,164 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-06 20:44:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:59,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022977695] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:59,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:44:59,169 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-06-06 20:44:59,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162046491] [2021-06-06 20:44:59,169 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 20:44:59,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:44:59,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 20:44:59,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-06-06 20:44:59,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:59,170 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:44:59,170 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:44:59,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:59,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:59,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:59,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:59,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:59,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:59,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:59,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:59,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:44:59,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:44:59,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:59,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:44:59,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 20:44:59,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:59,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:59,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:59,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:59,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:59,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:59,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:59,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:59,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:59,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:44:59,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:44:59,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:59,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:44:59,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 20:44:59,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:44:59,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable440,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:44:59,692 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:44:59,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:44:59,692 INFO L82 PathProgramCache]: Analyzing trace with hash -933190169, now seen corresponding path program 12 times [2021-06-06 20:44:59,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:44:59,692 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011923052] [2021-06-06 20:44:59,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:44:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:44:59,807 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:59,807 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:44:59,807 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011923052] [2021-06-06 20:44:59,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011923052] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:59,807 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527697447] [2021-06-06 20:44:59,807 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 [2021-06-06 20:44:59,838 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-06 20:44:59,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:44:59,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 20:44:59,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:44:59,895 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:44:59,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527697447] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:44:59,896 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:44:59,896 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-06-06 20:44:59,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352333709] [2021-06-06 20:44:59,896 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 20:44:59,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:44:59,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 20:44:59,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-06-06 20:44:59,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:44:59,897 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:44:59,897 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:44:59,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:44:59,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:44:59,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:44:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:44:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:44:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:44:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:44:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:44:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:44:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:44:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 20:44:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:44:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:45:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:45:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:45:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:45:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:45:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:45:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:45:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:45:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:45:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:45:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:45:00,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:45:00,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:45:00,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 20:45:00,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:45:00,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 20:45:00,263 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable900,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:45:00,263 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:45:00,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:45:00,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1162492638, now seen corresponding path program 13 times [2021-06-06 20:45:00,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:45:00,264 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795969230] [2021-06-06 20:45:00,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:45:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:45:00,554 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:45:00,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:45:00,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795969230] [2021-06-06 20:45:00,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795969230] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:45:00,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282477313] [2021-06-06 20:45:00,554 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 [2021-06-06 20:45:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:45:00,592 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-06 20:45:00,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:45:01,352 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-06 20:45:01,352 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:45:01,353 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 [2021-06-06 20:45:02,430 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-06-06 20:45:02,606 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-06 20:45:02,786 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-06 20:45:02,991 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-06-06 20:45:03,416 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-06-06 20:45:03,720 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-06-06 20:45:04,017 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-06-06 20:45:04,210 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-06-06 20:45:04,728 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-06-06 20:45:04,851 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 218 [2021-06-06 20:45:05,516 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-06-06 20:45:05,754 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-06-06 20:45:05,875 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-06-06 20:45:07,056 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-06-06 20:45:07,513 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-06-06 20:45:07,788 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-06-06 20:45:08,730 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-06-06 20:45:09,328 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-06-06 20:45:09,830 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-06-06 20:45:10,102 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-06-06 20:45:10,861 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-06 20:45:11,632 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-06 20:45:12,470 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-06-06 20:45:13,478 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-06-06 20:45:13,659 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-06-06 20:45:14,484 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 171 [2021-06-06 20:45:14,681 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-06-06 20:45:15,022 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-06-06 20:45:15,475 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-06-06 20:45:15,961 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-06 20:45:16,441 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-06 20:45:16,987 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-06-06 20:45:17,560 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-06-06 20:45:17,806 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-06-06 20:45:18,005 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-06-06 20:45:18,218 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-06-06 20:45:18,983 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-06-06 20:45:19,510 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 239 [2021-06-06 20:45:19,700 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-06-06 20:45:19,973 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-06-06 20:45:20,742 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-06-06 20:45:21,205 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-06-06 20:45:21,712 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-06-06 20:45:22,757 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-06-06 20:45:23,731 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-06-06 20:45:24,898 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-06-06 20:45:25,931 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-06 20:45:26,967 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-06 20:45:28,073 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-06-06 20:45:28,232 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-06-06 20:45:28,574 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-06-06 20:45:29,395 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-06-06 20:45:29,569 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-06 20:45:29,730 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-06 20:45:29,899 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-06-06 20:45:30,074 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-06-06 20:45:30,394 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:45:30,396 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:45:30,396 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 20:45:30,397 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-06 20:45:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:45:30,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282477313] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:45:30,402 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:45:30,402 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-06-06 20:45:30,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155484243] [2021-06-06 20:45:30,402 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 20:45:30,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:45:30,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 20:45:30,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1241, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 20:45:30,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:45:30,403 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:45:30,403 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 36 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:45:30,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:45:30,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:45:30,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:45:30,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:45:30,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:45:30,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:45:30,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:45:30,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:45:30,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:45:30,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:45:30,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:45:30,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:45:30,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 20:45:30,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:45:30,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 20:45:30,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:45:30,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:45:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:45:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:45:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:45:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:45:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:45:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:45:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:45:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 20:45:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:45:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:45:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:45:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 20:45:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:45:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 20:45:30,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 20:45:31,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable901,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:45:31,129 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:45:31,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:45:31,129 INFO L82 PathProgramCache]: Analyzing trace with hash 470362852, now seen corresponding path program 14 times [2021-06-06 20:45:31,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:45:31,129 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764560401] [2021-06-06 20:45:31,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:45:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:45:31,371 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:45:31,371 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:45:31,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764560401] [2021-06-06 20:45:31,372 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764560401] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:45:31,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533796169] [2021-06-06 20:45:31,372 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:45:31,400 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 20:45:31,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:45:31,401 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-06 20:45:31,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:45:32,193 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-06-06 20:45:32,194 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:45:32,194 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 [2021-06-06 20:45:33,384 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-06-06 20:45:33,560 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-06-06 20:45:33,775 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-06-06 20:45:35,039 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-06-06 20:45:35,240 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-06-06 20:45:35,472 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-06-06 20:45:36,001 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-06-06 20:45:36,542 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-06-06 20:45:37,182 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-06-06 20:45:37,927 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-06-06 20:45:38,795 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-06 20:45:39,664 WARN L205 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-06 20:45:40,690 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-06-06 20:45:42,930 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-06-06 20:45:44,593 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-06-06 20:45:45,607 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-06-06 20:45:47,131 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-06-06 20:45:47,943 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-06-06 20:45:48,259 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-06-06 20:45:49,378 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-06-06 20:45:49,486 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-06-06 20:45:49,624 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-06 20:45:50,641 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-06-06 20:45:50,839 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-06-06 20:45:51,026 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-06-06 20:45:51,845 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-06-06 20:45:52,175 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-06-06 20:45:52,573 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-06-06 20:45:53,665 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-06-06 20:45:53,833 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-06-06 20:45:54,335 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-06-06 20:45:54,820 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-06-06 20:45:54,975 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-06-06 20:45:55,190 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-06-06 20:45:55,347 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-06-06 20:45:55,951 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-06-06 20:45:56,226 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-06-06 20:45:56,355 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-06-06 20:45:56,509 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-06-06 20:45:56,667 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-06-06 20:45:57,251 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-06-06 20:45:57,878 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-06-06 20:45:58,041 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-06-06 20:45:58,292 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-06-06 20:45:58,611 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-06-06 20:45:59,957 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-06-06 20:46:00,109 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-06-06 20:46:00,576 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-06-06 20:46:01,626 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-06-06 20:46:03,046 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-06-06 20:46:03,209 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-06-06 20:46:03,412 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-06-06 20:46:03,556 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-06-06 20:46:04,356 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-06-06 20:46:04,530 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-06-06 20:46:05,795 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-06-06 20:46:06,027 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-06-06 20:46:06,466 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 143 [2021-06-06 20:46:07,190 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-06-06 20:46:07,391 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-06-06 20:46:07,886 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-06-06 20:46:08,503 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-06-06 20:46:09,227 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-06-06 20:46:10,554 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-06-06 20:46:10,708 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-06-06 20:46:10,937 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-06-06 20:46:11,218 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-06-06 20:46:11,921 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-06-06 20:46:12,383 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-06-06 20:46:12,621 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-06-06 20:46:13,477 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-06-06 20:46:13,840 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-06-06 20:46:14,835 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-06-06 20:46:15,001 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-06-06 20:46:15,624 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-06-06 20:46:16,355 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-06-06 20:46:17,618 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-06-06 20:46:19,885 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-06-06 20:46:20,828 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-06-06 20:46:20,989 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-06-06 20:46:21,619 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-06-06 20:46:22,313 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-06-06 20:46:22,696 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-06-06 20:46:22,831 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-06 20:46:23,786 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-06-06 20:46:24,611 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-06-06 20:46:24,802 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-06-06 20:46:25,210 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-06-06 20:46:26,216 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-06-06 20:46:26,799 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-06-06 20:46:27,241 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-06-06 20:46:27,496 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-06-06 20:46:28,017 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-06-06 20:46:28,550 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-06-06 20:46:28,987 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-06-06 20:46:29,797 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-06-06 20:46:30,128 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-06-06 20:46:30,948 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-06-06 20:46:31,948 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-06-06 20:46:33,440 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-06-06 20:46:35,757 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-06-06 20:46:40,616 WARN L205 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-06-06 20:46:47,096 WARN L205 SmtUtils]: Spent 6.47 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-06-06 20:46:55,416 WARN L205 SmtUtils]: Spent 8.30 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-06-06 20:47:04,926 WARN L205 SmtUtils]: Spent 9.49 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-06-06 20:47:06,186 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-06-06 20:47:07,019 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-06-06 20:47:07,190 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-06-06 20:47:07,421 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-06-06 20:47:08,636 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-06-06 20:47:09,107 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-06-06 20:47:09,738 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-06 20:47:09,859 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-06 20:47:10,768 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-06-06 20:47:11,017 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-06 20:47:11,260 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-06 20:47:11,701 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-06-06 20:47:12,451 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-06-06 20:47:13,168 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-06-06 20:47:13,346 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-06-06 20:47:14,268 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-06-06 20:47:14,504 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-06-06 20:47:14,950 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-06-06 20:47:16,227 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-06-06 20:47:17,747 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-06-06 20:47:18,025 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-06-06 20:47:18,170 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-06-06 20:47:18,296 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-06-06 20:47:18,527 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-06-06 20:47:19,177 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-06-06 20:47:19,453 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-06-06 20:47:19,927 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-06-06 20:47:20,033 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-06-06 20:47:20,557 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-06-06 20:47:21,133 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-06-06 20:47:22,033 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-06-06 20:47:22,418 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-06-06 20:47:23,216 WARN L205 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-06-06 20:47:23,864 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-06-06 20:47:24,010 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-06-06 20:47:24,251 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-06-06 20:47:25,474 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-06-06 20:47:26,022 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-06-06 20:47:26,371 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-06-06 20:47:27,605 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-06-06 20:47:29,049 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-06-06 20:47:32,255 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-06-06 20:47:32,522 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-06-06 20:47:32,631 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-06-06 20:47:33,142 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 189 [2021-06-06 20:47:33,484 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-06-06 20:47:34,395 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-06-06 20:47:34,601 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-06-06 20:47:34,808 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-06-06 20:47:34,984 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-06-06 20:47:35,288 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-06-06 20:47:35,646 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-06-06 20:47:35,823 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-06-06 20:47:36,095 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-06-06 20:47:36,548 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-06-06 20:47:36,727 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-06-06 20:47:36,970 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-06-06 20:47:37,110 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-06-06 20:47:37,708 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-06-06 20:47:38,089 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-06-06 20:47:38,268 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-06-06 20:47:38,539 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-06-06 20:47:38,935 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-06-06 20:47:39,538 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-06-06 20:47:39,670 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-06-06 20:47:40,585 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-06-06 20:47:41,545 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-06-06 20:47:41,751 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-06 20:47:41,959 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-06 20:47:42,305 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-06-06 20:47:42,790 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-06-06 20:47:43,747 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-06-06 20:47:43,997 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-06-06 20:47:44,470 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-06-06 20:47:45,670 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-06-06 20:47:50,819 WARN L205 SmtUtils]: Spent 5.14 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-06-06 20:47:56,621 WARN L205 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-06-06 20:48:03,882 WARN L205 SmtUtils]: Spent 7.24 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-06-06 20:48:12,473 WARN L205 SmtUtils]: Spent 8.58 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-06-06 20:48:13,499 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-06-06 20:48:14,329 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-06-06 20:48:14,488 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-06-06 20:48:15,506 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-06-06 20:48:15,654 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-06-06 20:48:15,838 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-06-06 20:48:16,118 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-06-06 20:48:16,975 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-06-06 20:48:17,481 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-06-06 20:48:18,198 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-06-06 20:48:19,026 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-06-06 20:48:20,548 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-06-06 20:48:20,669 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-06-06 20:48:20,813 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-06-06 20:48:21,041 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-06-06 20:48:21,754 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-06-06 20:48:22,508 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-06-06 20:48:22,884 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-06-06 20:48:23,432 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-06-06 20:48:24,979 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-06-06 20:48:26,635 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-06-06 20:48:28,524 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-06-06 20:48:40,524 WARN L205 SmtUtils]: Spent 11.99 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-06-06 20:49:03,529 WARN L205 SmtUtils]: Spent 22.98 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-06-06 20:49:29,426 WARN L205 SmtUtils]: Spent 25.86 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-06-06 20:49:30,544 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-06-06 20:49:30,695 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-06-06 20:49:32,055 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-06-06 20:49:32,257 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-06-06 20:49:32,671 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-06-06 20:49:33,164 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-06-06 20:50:02,374 WARN L205 SmtUtils]: Spent 29.20 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-06-06 20:50:35,957 WARN L205 SmtUtils]: Spent 33.54 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-06 20:51:09,219 WARN L205 SmtUtils]: Spent 33.23 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-06 20:51:46,172 WARN L205 SmtUtils]: Spent 36.93 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-06-06 20:52:41,719 WARN L205 SmtUtils]: Spent 55.51 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-06-06 20:53:37,297 WARN L205 SmtUtils]: Spent 55.54 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-06-06 20:54:35,071 WARN L205 SmtUtils]: Spent 57.73 s on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-06-06 20:54:42,468 WARN L205 SmtUtils]: Spent 7.38 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-06-06 20:54:55,377 WARN L205 SmtUtils]: Spent 12.90 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-06-06 20:54:55,642 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-06-06 20:55:03,991 WARN L205 SmtUtils]: Spent 8.34 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-06-06 20:55:04,497 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-06-06 20:55:04,869 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-06-06 20:55:09,596 WARN L205 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-06-06 20:55:09,709 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-06-06 20:55:09,827 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-06-06 20:55:10,885 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-06-06 20:55:11,338 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-06-06 20:55:11,634 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-06-06 20:55:12,724 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-06-06 20:55:13,298 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-06-06 20:55:13,656 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-06-06 20:55:14,729 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-06-06 20:55:15,006 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-06-06 20:55:15,364 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-06-06 20:55:15,840 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-06-06 20:55:16,907 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-06-06 20:55:17,127 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-06-06 20:55:18,375 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-06-06 20:55:18,580 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-06-06 20:55:19,235 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-06-06 20:55:19,581 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-06-06 20:55:19,692 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-06-06 20:55:21,310 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-06-06 20:55:21,743 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-06-06 20:55:22,020 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-06-06 20:55:22,396 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-06-06 20:55:23,251 WARN L205 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-06-06 20:55:25,396 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-06-06 20:55:27,987 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-06-06 20:55:31,073 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-06-06 20:55:36,358 WARN L205 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-06-06 20:55:36,739 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-06-06 20:55:36,950 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-06-06 20:55:38,322 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-06-06 20:55:38,571 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-06-06 20:55:38,918 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-06-06 20:55:44,675 WARN L205 SmtUtils]: Spent 5.75 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-06-06 20:55:45,265 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-06-06 20:55:45,974 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-06-06 20:55:46,124 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-06-06 20:55:46,343 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-06-06 20:55:46,454 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-06-06 20:55:47,156 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-06-06 20:55:47,315 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-06-06 20:55:48,088 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-06-06 20:55:48,282 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-06-06 20:55:48,650 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-06-06 20:55:49,287 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-06-06 20:55:50,103 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-06-06 20:55:57,414 WARN L205 SmtUtils]: Spent 7.30 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-06-06 20:56:05,836 WARN L205 SmtUtils]: Spent 8.40 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-06-06 20:56:22,959 WARN L205 SmtUtils]: Spent 17.10 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-06-06 20:56:48,466 WARN L205 SmtUtils]: Spent 25.47 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-06-06 20:57:58,959 WARN L205 SmtUtils]: Spent 1.17 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-06-06 20:58:16,735 WARN L205 SmtUtils]: Spent 17.75 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-06-06 20:58:17,143 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-06-06 20:58:17,369 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-06-06 20:58:18,459 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-06-06 20:58:18,700 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-06-06 20:58:18,850 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-06-06 20:58:19,656 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-06-06 20:58:19,873 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-06-06 20:58:20,155 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-06-06 20:58:20,959 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-06-06 20:58:21,651 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 [2021-06-06 20:58:38,488 WARN L205 SmtUtils]: Spent 16.83 s on a formula simplification. DAG size of input: 1500 DAG size of output: 2098 [2021-06-06 20:58:45,667 WARN L205 SmtUtils]: Spent 7.17 s on a formula simplification. DAG size of input: 1251 DAG size of output: 1697 [2021-06-06 20:58:50,359 WARN L205 SmtUtils]: Spent 4.68 s on a formula simplification. DAG size of input: 1076 DAG size of output: 1519 [2021-06-06 20:58:50,656 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 1018 [2021-06-06 20:58:50,913 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 907 [2021-06-06 20:58:51,150 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 867 [2021-06-06 20:58:51,276 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2021-06-06 20:58:52,317 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 223 [2021-06-06 20:58:52,555 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 267 [2021-06-06 20:58:52,818 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 332 [2021-06-06 20:58:52,931 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 562 [2021-06-06 20:58:53,663 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 219 [2021-06-06 20:58:53,926 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 266 [2021-06-06 20:58:54,136 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 321 [2021-06-06 20:58:54,659 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 444 [2021-06-06 20:58:55,346 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 484 [2021-06-06 20:58:56,176 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 563 [2021-06-06 20:58:56,439 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 1043 [2021-06-06 20:58:56,664 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 927 [2021-06-06 20:58:57,022 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 880 [2021-06-06 20:58:57,849 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 216 [2021-06-06 20:58:57,984 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 262 [2021-06-06 20:58:58,167 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 298 [2021-06-06 20:58:58,406 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 342 [2021-06-06 20:58:59,741 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 247 [2021-06-06 20:58:59,924 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 281 [2021-06-06 20:59:00,210 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 352 [2021-06-06 20:59:00,784 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 494 [2021-06-06 20:59:01,531 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 574 [2021-06-06 20:59:02,484 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 659 [2021-06-06 20:59:04,423 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1647 DAG size of output: 921 [2021-06-06 20:59:04,733 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 913 [2021-06-06 20:59:05,112 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 851 [2021-06-06 20:59:05,248 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2021-06-06 20:59:05,826 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 441 [2021-06-06 20:59:06,453 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 265 [2021-06-06 20:59:07,136 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 212 [2021-06-06 20:59:07,342 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 228 [2021-06-06 20:59:07,610 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 285 [2021-06-06 20:59:07,927 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 336 [2021-06-06 20:59:08,375 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 408 [2021-06-06 20:59:08,514 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 564 [2021-06-06 20:59:08,898 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2021-06-06 20:59:09,119 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 420 [2021-06-06 20:59:10,098 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 234 [2021-06-06 20:59:10,302 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 269 [2021-06-06 20:59:10,528 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 301 [2021-06-06 20:59:10,823 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 360 [2021-06-06 20:59:11,240 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 438 Received shutdown request... [2021-06-06 20:59:12,226 WARN L205 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 593 [2021-06-06 20:59:13,405 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1129 DAG size of output: 652 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown