/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 13:01:21,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 13:01:21,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 13:01:21,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 13:01:21,601 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 13:01:21,639 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 13:01:21,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 13:01:21,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 13:01:21,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 13:01:21,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 13:01:21,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 13:01:21,640 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 13:01:21,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 13:01:21,640 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 13:01:21,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 13:01:21,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 13:01:21,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 13:01:21,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 13:01:21,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 13:01:21,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 13:01:21,641 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 13:01:21,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 13:01:21,641 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 13:01:21,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 13:01:21,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 13:01:21,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 13:01:21,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 13:01:21,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 13:01:21,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 13:01:21,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 13:01:21,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 13:01:21,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 13:01:21,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 13:01:21,643 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 13:01:21,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 13:01:21,643 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 13:01:21,643 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 13:01:21,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 13:01:21,643 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 13:01:21,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 13:01:21,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 13:01:21,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 13:01:21,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 13:01:21,946 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 13:01:21,948 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 13:01:21,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl [2021-07-14 13:01:21,963 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-07-14 13:01:21,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 13:01:21,993 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 13:01:21,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 13:01:21,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 13:01:21,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 13:01:22,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:01:21" (1/1) ... [2021-07-14 13:01:22,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:01:21" (1/1) ... [2021-07-14 13:01:22,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 13:01:22,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 13:01:22,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 13:01:22,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 13:01:22,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:01:21" (1/1) ... [2021-07-14 13:01:22,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:01:21" (1/1) ... [2021-07-14 13:01:22,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:01:21" (1/1) ... [2021-07-14 13:01:22,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:01:21" (1/1) ... [2021-07-14 13:01:22,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:01:21" (1/1) ... [2021-07-14 13:01:22,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:01:21" (1/1) ... [2021-07-14 13:01:22,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:01:21" (1/1) ... [2021-07-14 13:01:22,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 13:01:22,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 13:01:22,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 13:01:22,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 13:01:22,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:01:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 13:01:22,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 13:01:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 13:01:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 13:01:22,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 13:01:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 13:01:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 13:01:22,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 13:01:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 13:01:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 13:01:22,080 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 13:01:22,411 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 13:01:22,412 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 13:01:22,412 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 13:01:22,413 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:01:22 BoogieIcfgContainer [2021-07-14 13:01:22,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 13:01:22,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 13:01:22,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 13:01:22,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 13:01:22,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:01:21" (1/2) ... [2021-07-14 13:01:22,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ec9603 and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:01:22, skipping insertion in model container [2021-07-14 13:01:22,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:01:22" (2/2) ... [2021-07-14 13:01:22,418 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-07-14 13:01:22,422 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 13:01:22,422 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 13:01:22,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 13:01:22,423 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 13:01:22,472 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 13:01:22,488 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 13:01:22,535 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 13:01:22,536 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 13:01:22,536 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 13:01:22,537 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 13:01:22,537 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 13:01:22,537 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 13:01:22,537 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 13:01:22,537 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 13:01:22,601 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:01:22,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:01:22,604 INFO L82 PathProgramCache]: Analyzing trace with hash 398626867, now seen corresponding path program 1 times [2021-07-14 13:01:22,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:01:22,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209055363] [2021-07-14 13:01:22,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:01:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:01:22,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:22,780 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:01:22,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209055363] [2021-07-14 13:01:22,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209055363] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:01:22,781 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 13:01:22,781 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 13:01:22,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892306615] [2021-07-14 13:01:22,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 13:01:22,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:01:22,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 13:01:22,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-14 13:01:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:22,794 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:01:22,795 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:01:22,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:22,830 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 13:01:22,830 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:01:22,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:01:22,833 INFO L82 PathProgramCache]: Analyzing trace with hash 941233489, now seen corresponding path program 1 times [2021-07-14 13:01:22,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:01:22,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083952060] [2021-07-14 13:01:22,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:01:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:01:23,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:23,053 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:01:23,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083952060] [2021-07-14 13:01:23,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083952060] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:23,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912515904] [2021-07-14 13:01:23,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:01:23,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 13:01:23,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:01:23,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 13:01:23,257 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:01:23,258 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:23,261 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:01:23,262 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-14 13:01:23,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:23,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912515904] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:23,275 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:01:23,275 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-14 13:01:23,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228553714] [2021-07-14 13:01:23,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 13:01:23,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:01:23,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 13:01:23,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-07-14 13:01:23,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:23,283 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:01:23,283 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:01:23,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:23,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:23,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:23,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:23,557 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:23,557 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:01:23,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:01:23,558 INFO L82 PathProgramCache]: Analyzing trace with hash 582169587, now seen corresponding path program 2 times [2021-07-14 13:01:23,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:01:23,558 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708208490] [2021-07-14 13:01:23,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:01:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:01:23,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:23,726 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:01:23,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708208490] [2021-07-14 13:01:23,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708208490] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:23,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470427923] [2021-07-14 13:01:23,727 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:23,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:01:23,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:01:23,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 13:01:23,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:01:23,853 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:23,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-14 13:01:23,857 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:01:23,858 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:23,859 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:01:23,859 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-14 13:01:23,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:23,870 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470427923] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:23,870 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:01:23,870 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-14 13:01:23,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758831297] [2021-07-14 13:01:23,871 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 13:01:23,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:01:23,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 13:01:23,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-14 13:01:23,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:23,873 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:01:23,873 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:01:23,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:23,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:23,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:23,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:24,168 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:24,169 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:01:24,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:01:24,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1958876783, now seen corresponding path program 3 times [2021-07-14 13:01:24,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:01:24,169 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151101702] [2021-07-14 13:01:24,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:01:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:01:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:24,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:01:24,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151101702] [2021-07-14 13:01:24,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151101702] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:24,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39285190] [2021-07-14 13:01:24,283 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-14 13:01:24,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 13:01:24,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:24,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 13:01:24,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:01:24,579 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:24,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-14 13:01:24,602 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:01:24,604 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:24,604 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:01:24,605 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-14 13:01:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:24,615 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39285190] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:24,615 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:01:24,615 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-14 13:01:24,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110260038] [2021-07-14 13:01:24,616 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 13:01:24,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:01:24,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 13:01:24,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-14 13:01:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:24,618 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:01:24,618 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:01:24,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:24,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:24,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:24,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:24,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:24,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:24,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:24,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:24,919 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:24,920 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:01:24,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:01:24,920 INFO L82 PathProgramCache]: Analyzing trace with hash 873064371, now seen corresponding path program 4 times [2021-07-14 13:01:24,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:01:24,921 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46133869] [2021-07-14 13:01:24,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:01:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:01:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:24,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:01:24,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46133869] [2021-07-14 13:01:24,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46133869] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:24,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322173843] [2021-07-14 13:01:24,967 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:24,992 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:01:24,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:01:24,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 13:01:24,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:01:25,026 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:25,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322173843] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:25,026 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:01:25,026 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-14 13:01:25,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826085615] [2021-07-14 13:01:25,027 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 13:01:25,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:01:25,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 13:01:25,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-07-14 13:01:25,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:25,027 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:01:25,028 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:01:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:25,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:25,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:25,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:25,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:25,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:25,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:01:25,297 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 13:01:25,298 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:01:25,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:01:25,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1986744626, now seen corresponding path program 1 times [2021-07-14 13:01:25,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:01:25,298 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038757274] [2021-07-14 13:01:25,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:01:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:01:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:25,371 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:01:25,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038757274] [2021-07-14 13:01:25,371 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038757274] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:25,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967769148] [2021-07-14 13:01:25,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:01:25,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 13:01:25,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:01:25,603 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:25,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-14 13:01:25,642 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:01:25,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:25,644 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:01:25,644 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-14 13:01:25,649 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:25,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967769148] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:25,650 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:01:25,650 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-14 13:01:25,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993343428] [2021-07-14 13:01:25,650 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 13:01:25,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:01:25,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 13:01:25,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-07-14 13:01:25,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:25,654 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:01:25,654 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:01:25,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:25,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:25,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:25,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:25,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:01:25,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:25,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:25,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:25,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:25,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:25,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:01:25,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:26,038 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:26,039 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:01:26,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:01:26,039 INFO L82 PathProgramCache]: Analyzing trace with hash 472927956, now seen corresponding path program 2 times [2021-07-14 13:01:26,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:01:26,039 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885514808] [2021-07-14 13:01:26,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:01:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:01:26,139 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:26,139 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:01:26,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885514808] [2021-07-14 13:01:26,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885514808] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:26,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863238706] [2021-07-14 13:01:26,139 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:26,193 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:01:26,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:01:26,194 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 13:01:26,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:01:26,418 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:26,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-14 13:01:26,543 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:01:26,544 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:26,545 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:01:26,545 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-14 13:01:26,550 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:26,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863238706] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:26,550 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:01:26,550 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-14 13:01:26,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081823421] [2021-07-14 13:01:26,551 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 13:01:26,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:01:26,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 13:01:26,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-14 13:01:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:26,551 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:01:26,551 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:01:26,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:26,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:26,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:26,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:26,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:01:26,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:26,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:26,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:26,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:26,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:26,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:26,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:01:26,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:26,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:26,950 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-14 13:01:26,951 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:01:26,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:01:26,951 INFO L82 PathProgramCache]: Analyzing trace with hash 789251442, now seen corresponding path program 3 times [2021-07-14 13:01:26,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:01:26,951 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204001611] [2021-07-14 13:01:26,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:01:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:01:27,061 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:27,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:01:27,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204001611] [2021-07-14 13:01:27,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204001611] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:27,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484751640] [2021-07-14 13:01:27,061 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:27,088 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 13:01:27,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:01:27,089 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 13:01:27,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:01:27,369 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:27,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-14 13:01:27,650 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:01:27,652 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:27,652 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:01:27,652 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-14 13:01:27,657 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:27,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484751640] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:27,657 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:01:27,657 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-14 13:01:27,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499990914] [2021-07-14 13:01:27,658 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 13:01:27,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:01:27,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 13:01:27,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-07-14 13:01:27,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:27,659 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:01:27,659 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:01:27,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:27,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:27,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:27,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:27,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:01:27,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:27,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:27,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:27,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:27,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:27,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:27,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:27,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:01:27,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:27,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:27,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:01:28,101 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-07-14 13:01:28,101 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:01:28,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:01:28,102 INFO L82 PathProgramCache]: Analyzing trace with hash 2005344916, now seen corresponding path program 4 times [2021-07-14 13:01:28,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:01:28,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131014874] [2021-07-14 13:01:28,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:01:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:01:28,201 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:28,201 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:01:28,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131014874] [2021-07-14 13:01:28,201 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131014874] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:28,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284912791] [2021-07-14 13:01:28,202 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:28,227 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:01:28,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:01:28,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 13:01:28,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:01:28,572 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:28,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-07-14 13:01:29,185 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:01:29,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:29,187 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:01:29,187 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-14 13:01:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:29,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284912791] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:29,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:01:29,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-14 13:01:29,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729503468] [2021-07-14 13:01:29,194 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 13:01:29,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:01:29,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 13:01:29,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-14 13:01:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:29,195 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:01:29,196 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:01:29,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:29,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:29,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:29,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:29,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:01:29,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:29,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:29,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:01:29,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:01:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:01:29,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:01:29,721 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:29,721 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:01:29,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:01:29,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1049536946, now seen corresponding path program 5 times [2021-07-14 13:01:29,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:01:29,722 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700612922] [2021-07-14 13:01:29,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:01:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:01:29,808 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:29,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:01:29,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700612922] [2021-07-14 13:01:29,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700612922] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:29,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562133860] [2021-07-14 13:01:29,808 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:29,840 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 13:01:29,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:01:29,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 13:01:29,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:01:29,898 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:29,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562133860] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:29,898 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:01:29,898 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-07-14 13:01:29,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173385965] [2021-07-14 13:01:29,898 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 13:01:29,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:01:29,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 13:01:29,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-07-14 13:01:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:29,899 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:01:29,899 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:01:29,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:29,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:29,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:29,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:29,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:01:29,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:29,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:29,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:01:29,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:01:29,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:30,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:30,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:30,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:30,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:30,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:01:30,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:30,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:30,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:01:30,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:01:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:01:30,237 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable199 [2021-07-14 13:01:30,237 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:01:30,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:01:30,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1132540141, now seen corresponding path program 6 times [2021-07-14 13:01:30,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:01:30,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320924386] [2021-07-14 13:01:30,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:01:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:01:30,399 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:30,400 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:01:30,400 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320924386] [2021-07-14 13:01:30,400 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320924386] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:30,400 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208322093] [2021-07-14 13:01:30,400 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:30,428 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 13:01:30,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:01:30,429 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-14 13:01:30,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:01:30,879 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 13:01:30,879 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:30,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-14 13:01:32,812 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:01:32,813 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:32,814 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:01:32,814 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-14 13:01:32,818 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:32,818 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208322093] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:32,818 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:01:32,819 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-07-14 13:01:32,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550132907] [2021-07-14 13:01:32,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 13:01:32,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:01:32,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 13:01:32,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-07-14 13:01:32,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:32,820 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:01:32,820 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:01:32,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:32,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:32,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:32,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:32,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:01:32,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:32,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:32,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:01:32,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:01:32,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:01:32,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:01:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:01:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:01:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:01:33,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:01:33,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-07-14 13:01:33,501 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:01:33,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:01:33,501 INFO L82 PathProgramCache]: Analyzing trace with hash -540997967, now seen corresponding path program 7 times [2021-07-14 13:01:33,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:01:33,501 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888621017] [2021-07-14 13:01:33,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:01:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:01:33,713 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:33,713 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:01:33,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888621017] [2021-07-14 13:01:33,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888621017] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:33,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109718413] [2021-07-14 13:01:33,713 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:01:33,765 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-14 13:01:33,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:01:34,305 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-14 13:01:34,305 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:34,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-14 13:01:35,472 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-07-14 13:01:36,309 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-07-14 13:01:36,481 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-07-14 13:01:36,805 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-14 13:01:37,162 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-14 13:01:37,508 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-07-14 13:01:37,940 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-07-14 13:01:38,680 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-14 13:01:38,859 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-14 13:01:39,051 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-07-14 13:01:39,940 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 212 [2021-07-14 13:01:40,224 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:01:40,225 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:40,226 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:01:40,226 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-14 13:01:40,231 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:40,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109718413] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:40,231 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:01:40,231 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-07-14 13:01:40,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214353370] [2021-07-14 13:01:40,231 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 13:01:40,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:01:40,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 13:01:40,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-07-14 13:01:40,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:40,232 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:01:40,232 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:01:40,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:40,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:01:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:01:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:01:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:01:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:01:40,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:01:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:01:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:01:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:01:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:01:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:01:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:01:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:01:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:01:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:01:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:01:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:01:40,882 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-07-14 13:01:40,882 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:01:40,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:01:40,883 INFO L82 PathProgramCache]: Analyzing trace with hash 616940243, now seen corresponding path program 8 times [2021-07-14 13:01:40,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:01:40,883 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318018945] [2021-07-14 13:01:40,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:01:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:01:41,108 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:01:41,108 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:01:41,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318018945] [2021-07-14 13:01:41,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318018945] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:01:41,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930979006] [2021-07-14 13:01:41,109 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:01:41,137 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:01:41,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:01:41,138 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-14 13:01:41,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:01:41,743 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-14 13:01:41,743 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:01:41,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-14 13:01:42,749 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-07-14 13:01:42,936 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-14 13:01:43,121 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-14 13:01:43,340 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-14 13:01:43,753 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-07-14 13:01:43,972 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-07-14 13:01:44,236 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-07-14 13:01:44,441 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-07-14 13:01:44,584 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 235 [2021-07-14 13:01:44,957 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-07-14 13:01:45,077 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 218 [2021-07-14 13:01:45,752 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-07-14 13:01:46,066 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-07-14 13:01:46,188 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-07-14 13:01:47,382 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-07-14 13:01:47,915 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-07-14 13:01:48,120 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-07-14 13:01:49,006 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 232 [2021-07-14 13:01:49,162 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-07-14 13:01:49,689 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-07-14 13:01:50,043 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 207 [2021-07-14 13:01:50,173 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-07-14 13:01:50,463 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-07-14 13:01:51,294 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-14 13:01:52,142 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-14 13:01:53,169 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-07-14 13:01:54,275 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-07-14 13:01:54,463 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-07-14 13:01:55,335 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-07-14 13:01:55,697 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-07-14 13:01:56,176 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-07-14 13:01:56,703 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-14 13:01:57,240 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-14 13:01:57,843 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-07-14 13:01:58,563 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-07-14 13:01:58,827 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-07-14 13:01:59,033 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-07-14 13:01:59,267 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-07-14 13:01:59,930 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 261 [2021-07-14 13:02:00,053 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-07-14 13:02:00,480 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 239 [2021-07-14 13:02:00,681 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-07-14 13:02:00,974 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-07-14 13:02:01,780 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-07-14 13:02:02,283 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-07-14 13:02:02,912 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-07-14 13:02:04,019 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-07-14 13:02:04,944 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-07-14 13:02:05,626 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 187 [2021-07-14 13:02:06,146 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-07-14 13:02:07,314 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-14 13:02:08,468 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-14 13:02:09,722 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-07-14 13:02:09,894 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-07-14 13:02:10,286 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-07-14 13:02:11,020 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-07-14 13:02:11,199 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-14 13:02:11,372 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-14 13:02:11,571 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-07-14 13:02:11,751 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-07-14 13:02:12,133 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:02:12,134 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:02:12,135 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:02:12,135 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-14 13:02:12,140 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:02:12,140 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930979006] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:02:12,140 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:02:12,140 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-14 13:02:12,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419715231] [2021-07-14 13:02:12,142 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 13:02:12,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:02:12,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 13:02:12,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-07-14 13:02:12,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:02:12,143 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:02:12,143 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:02:12,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:02:12,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:02:12,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:02:12,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:02:12,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:02:12,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:02:12,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:02:12,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:02:12,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:02:12,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:02:12,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:02:12,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:02:12,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:02:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:02:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:02:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:02:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:02:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:02:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:02:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:02:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:02:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:02:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:02:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:02:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:02:12,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:02:12,845 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable903 [2021-07-14 13:02:12,845 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:02:12,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:02:12,846 INFO L82 PathProgramCache]: Analyzing trace with hash -2141680911, now seen corresponding path program 9 times [2021-07-14 13:02:12,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:02:12,846 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230212540] [2021-07-14 13:02:12,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:02:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:02:13,068 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:02:13,068 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:02:13,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230212540] [2021-07-14 13:02:13,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230212540] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:02:13,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175264241] [2021-07-14 13:02:13,069 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:02:13,101 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 13:02:13,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:02:13,102 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-14 13:02:13,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:02:13,732 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-14 13:02:13,733 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:02:13,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-07-14 13:02:14,946 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-07-14 13:02:15,141 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-07-14 13:02:15,356 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-07-14 13:02:16,705 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-07-14 13:02:16,901 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-07-14 13:02:17,144 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-07-14 13:02:17,705 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-07-14 13:02:18,297 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-07-14 13:02:18,995 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-07-14 13:02:19,798 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-07-14 13:02:20,699 WARN L205 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-14 13:02:21,613 WARN L205 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-14 13:02:22,700 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-07-14 13:02:25,132 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-07-14 13:02:26,925 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-07-14 13:02:28,003 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-07-14 13:02:29,621 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-07-14 13:02:30,492 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-07-14 13:02:30,846 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-07-14 13:02:31,835 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-07-14 13:02:31,951 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-07-14 13:02:32,118 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-14 13:02:33,196 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-07-14 13:02:33,416 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-07-14 13:02:33,621 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-07-14 13:02:34,497 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-07-14 13:02:34,839 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-07-14 13:02:35,261 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-07-14 13:02:36,452 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-07-14 13:02:36,645 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-07-14 13:02:37,185 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-07-14 13:02:37,695 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-07-14 13:02:37,877 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-07-14 13:02:38,105 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-07-14 13:02:38,279 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-07-14 13:02:38,943 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-07-14 13:02:39,259 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-07-14 13:02:39,392 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-07-14 13:02:39,561 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-07-14 13:02:39,771 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-07-14 13:02:40,378 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-07-14 13:02:41,069 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-07-14 13:02:41,269 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-07-14 13:02:41,519 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-07-14 13:02:41,867 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-07-14 13:02:43,278 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-07-14 13:02:43,440 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-07-14 13:02:43,959 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-07-14 13:02:45,084 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-07-14 13:02:46,630 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-07-14 13:02:46,808 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-07-14 13:02:47,035 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-07-14 13:02:47,193 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-14 13:02:48,058 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-07-14 13:02:48,258 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-07-14 13:02:48,615 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-07-14 13:02:48,789 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 198 [2021-07-14 13:02:49,597 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-07-14 13:02:49,843 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-07-14 13:02:50,949 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-07-14 13:02:51,153 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-07-14 13:02:51,676 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-07-14 13:02:52,348 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-07-14 13:02:53,137 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-07-14 13:02:54,558 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-07-14 13:02:54,747 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-07-14 13:02:54,992 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-07-14 13:02:55,307 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-07-14 13:02:56,061 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-07-14 13:02:56,531 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-07-14 13:02:56,799 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-07-14 13:02:57,359 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-07-14 13:02:57,723 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-07-14 13:02:58,119 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-07-14 13:02:59,111 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-07-14 13:02:59,296 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-07-14 13:02:59,956 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-07-14 13:03:00,736 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-07-14 13:03:02,097 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-07-14 13:03:04,381 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-07-14 13:03:05,411 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-07-14 13:03:05,581 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-07-14 13:03:06,247 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-07-14 13:03:06,981 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-07-14 13:03:07,373 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-07-14 13:03:07,516 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-14 13:03:08,353 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 212 [2021-07-14 13:03:08,532 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-07-14 13:03:09,265 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2021-07-14 13:03:09,430 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-07-14 13:03:09,636 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-07-14 13:03:10,081 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-07-14 13:03:10,552 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 215 [2021-07-14 13:03:11,153 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-07-14 13:03:11,785 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-07-14 13:03:12,249 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-07-14 13:03:12,524 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-07-14 13:03:13,091 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-07-14 13:03:13,535 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-07-14 13:03:14,006 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-07-14 13:03:14,824 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-07-14 13:03:15,189 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-07-14 13:03:16,055 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-07-14 13:03:17,133 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-07-14 13:03:18,747 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-07-14 13:03:21,275 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-07-14 13:03:26,464 WARN L205 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-07-14 13:03:33,355 WARN L205 SmtUtils]: Spent 6.88 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-07-14 13:03:41,999 WARN L205 SmtUtils]: Spent 8.63 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-07-14 13:03:52,124 WARN L205 SmtUtils]: Spent 10.11 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-07-14 13:03:53,464 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-07-14 13:03:54,336 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-07-14 13:03:54,512 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-07-14 13:03:54,765 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-07-14 13:03:54,870 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-14 13:03:56,093 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-07-14 13:03:56,603 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-07-14 13:03:57,268 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-14 13:03:57,396 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-14 13:03:57,896 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-07-14 13:03:58,362 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-07-14 13:03:58,633 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-14 13:03:58,887 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-14 13:03:59,353 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-07-14 13:04:00,162 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-07-14 13:04:00,918 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-07-14 13:04:01,119 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-07-14 13:04:02,011 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-07-14 13:04:02,278 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-07-14 13:04:02,741 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-07-14 13:04:04,116 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-07-14 13:04:05,754 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-07-14 13:04:06,059 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-07-14 13:04:06,213 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-07-14 13:04:06,347 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-07-14 13:04:06,598 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-07-14 13:04:07,281 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-14 13:04:07,576 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-07-14 13:04:08,074 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-07-14 13:04:08,188 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-07-14 13:04:08,761 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-07-14 13:04:09,392 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-07-14 13:04:09,584 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-07-14 13:04:10,398 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-07-14 13:04:10,793 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-07-14 13:04:11,667 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-07-14 13:04:12,358 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-07-14 13:04:12,513 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-14 13:04:12,764 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-07-14 13:04:13,245 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 193 [2021-07-14 13:04:13,351 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-07-14 13:04:14,081 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-07-14 13:04:14,664 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-07-14 13:04:15,057 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-07-14 13:04:16,373 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-07-14 13:04:17,930 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-07-14 13:04:21,385 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-07-14 13:04:21,499 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-14 13:04:21,677 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-07-14 13:04:21,794 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-07-14 13:04:22,684 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-07-14 13:04:23,614 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-07-14 13:04:23,818 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-07-14 13:04:24,026 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-07-14 13:04:24,225 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-07-14 13:04:24,547 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-07-14 13:04:24,928 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-07-14 13:04:25,110 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-07-14 13:04:25,394 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-07-14 13:04:25,870 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-07-14 13:04:26,081 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-07-14 13:04:26,339 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-07-14 13:04:26,481 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-07-14 13:04:27,124 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-07-14 13:04:27,528 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-07-14 13:04:27,717 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-07-14 13:04:28,010 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-07-14 13:04:28,429 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-07-14 13:04:29,084 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-07-14 13:04:29,241 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-07-14 13:04:30,215 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-07-14 13:04:31,229 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-07-14 13:04:31,450 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-14 13:04:31,668 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-14 13:04:32,038 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-07-14 13:04:32,566 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-07-14 13:04:33,571 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-07-14 13:04:33,848 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-07-14 13:04:34,367 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-07-14 13:04:35,662 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-07-14 13:04:41,189 WARN L205 SmtUtils]: Spent 5.52 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-07-14 13:04:47,421 WARN L205 SmtUtils]: Spent 6.22 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-07-14 13:04:55,190 WARN L205 SmtUtils]: Spent 7.75 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-07-14 13:05:04,460 WARN L205 SmtUtils]: Spent 9.25 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-07-14 13:05:05,474 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-07-14 13:05:06,365 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-07-14 13:05:06,533 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-07-14 13:05:07,625 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-07-14 13:05:07,782 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-07-14 13:05:07,968 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-07-14 13:05:08,276 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-07-14 13:05:08,775 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 228 [2021-07-14 13:05:09,191 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-07-14 13:05:09,739 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-07-14 13:05:10,520 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-07-14 13:05:11,413 WARN L205 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-07-14 13:05:13,032 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-07-14 13:05:13,158 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-07-14 13:05:13,308 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-07-14 13:05:13,541 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-07-14 13:05:14,312 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-07-14 13:05:14,992 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 183 [2021-07-14 13:05:15,108 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-07-14 13:05:15,522 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-07-14 13:05:16,107 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-07-14 13:05:17,767 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-07-14 13:05:19,567 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-07-14 13:05:21,615 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-07-14 13:05:34,389 WARN L205 SmtUtils]: Spent 12.76 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-07-14 13:05:59,075 WARN L205 SmtUtils]: Spent 24.66 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-07-14 13:06:26,929 WARN L205 SmtUtils]: Spent 27.82 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-07-14 13:06:28,117 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-07-14 13:06:28,277 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-07-14 13:06:29,718 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-07-14 13:06:29,955 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-07-14 13:06:30,385 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-07-14 13:06:30,918 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-07-14 13:07:02,392 WARN L205 SmtUtils]: Spent 31.46 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-07-14 13:07:37,913 WARN L205 SmtUtils]: Spent 35.48 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-14 13:08:13,608 WARN L205 SmtUtils]: Spent 35.66 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-14 13:08:53,430 WARN L205 SmtUtils]: Spent 39.80 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-07-14 13:09:53,615 WARN L205 SmtUtils]: Spent 1.00 m on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-07-14 13:10:54,098 WARN L205 SmtUtils]: Spent 1.01 m on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-07-14 13:11:56,483 WARN L205 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-07-14 13:12:04,465 WARN L205 SmtUtils]: Spent 7.96 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-07-14 13:12:18,383 WARN L205 SmtUtils]: Spent 13.90 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-07-14 13:12:18,659 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-07-14 13:12:27,681 WARN L205 SmtUtils]: Spent 9.02 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-07-14 13:12:28,213 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-07-14 13:12:28,620 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-07-14 13:12:33,662 WARN L205 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-07-14 13:12:33,782 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-14 13:12:33,897 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-07-14 13:12:34,856 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 230 [2021-07-14 13:12:35,038 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-07-14 13:12:35,515 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-07-14 13:12:35,855 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-07-14 13:12:37,026 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-07-14 13:12:37,141 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-14 13:12:37,252 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 208 [2021-07-14 13:12:37,717 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-07-14 13:12:38,090 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-07-14 13:12:39,224 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-07-14 13:12:39,506 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-07-14 13:12:39,989 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-07-14 13:12:40,516 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-07-14 13:12:41,693 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-07-14 13:12:41,940 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-07-14 13:12:42,047 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 509 [2021-07-14 13:12:43,254 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-07-14 13:12:43,423 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-07-14 13:12:43,971 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-07-14 13:12:44,354 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-07-14 13:12:44,463 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-07-14 13:12:46,162 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-07-14 13:12:46,649 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-07-14 13:12:46,936 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-07-14 13:12:47,356 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-07-14 13:12:48,291 WARN L205 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-07-14 13:12:50,629 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-07-14 13:12:53,460 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-07-14 13:12:56,788 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-07-14 13:13:02,447 WARN L205 SmtUtils]: Spent 5.64 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-07-14 13:13:02,862 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-07-14 13:13:03,074 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-07-14 13:13:03,664 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 216 [2021-07-14 13:13:04,487 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-07-14 13:13:04,743 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-07-14 13:13:05,134 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-07-14 13:13:11,346 WARN L205 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-07-14 13:13:11,964 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-07-14 13:13:12,711 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-07-14 13:13:12,894 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-07-14 13:13:13,122 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-07-14 13:13:13,231 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-07-14 13:13:13,977 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-07-14 13:13:14,129 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-14 13:13:14,789 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 241 [2021-07-14 13:13:14,946 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-07-14 13:13:15,181 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-07-14 13:13:15,545 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-07-14 13:13:16,226 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-07-14 13:13:17,080 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-07-14 13:13:25,010 WARN L205 SmtUtils]: Spent 7.92 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-07-14 13:13:34,081 WARN L205 SmtUtils]: Spent 9.05 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-07-14 13:13:52,579 WARN L205 SmtUtils]: Spent 18.47 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-07-14 13:14:20,002 WARN L205 SmtUtils]: Spent 27.38 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-07-14 13:15:35,910 WARN L205 SmtUtils]: Spent 1.26 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-07-14 13:15:55,026 WARN L205 SmtUtils]: Spent 19.09 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-07-14 13:15:55,494 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-07-14 13:15:55,726 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-07-14 13:15:55,843 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 212 [2021-07-14 13:15:56,901 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-07-14 13:15:57,157 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-07-14 13:15:57,327 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-07-14 13:15:58,197 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-07-14 13:15:58,432 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-07-14 13:15:58,751 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-07-14 13:15:59,604 WARN L205 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-07-14 13:16:00,364 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown