/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 15:34:57,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 15:34:57,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 15:34:57,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 15:34:57,496 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-NewStatesSleep-NoLbe.epf [2021-06-13 15:34:57,523 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 15:34:57,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 15:34:57,524 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 15:34:57,524 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 15:34:57,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 15:34:57,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 15:34:57,526 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 15:34:57,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 15:34:57,526 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 15:34:57,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 15:34:57,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 15:34:57,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 15:34:57,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 15:34:57,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 15:34:57,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 15:34:57,527 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 15:34:57,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 15:34:57,527 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 15:34:57,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 15:34:57,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 15:34:57,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 15:34:57,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 15:34:57,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 15:34:57,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 15:34:57,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 15:34:57,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 15:34:57,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 15:34:57,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 15:34:57,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 15:34:57,541 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 15:34:57,541 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 15:34:57,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 15:34:57,541 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 15:34:57,541 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 15:34:57,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 15:34:57,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 15:34:57,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 15:34:57,784 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 15:34:57,785 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 15:34:57,785 INFO L432 ainManager$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 [2021-06-13 15:34:57,795 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-06-13 15:34:57,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 15:34:57,816 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 15:34:57,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 15:34:57,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 15:34:57,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 15:34:57,825 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 13.06 03:34:57" (1/1) ... [2021-06-13 15:34:57,831 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 13.06 03:34:57" (1/1) ... [2021-06-13 15:34:57,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 15:34:57,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 15:34:57,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 15:34:57,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 15:34:57,842 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 13.06 03:34:57" (1/1) ... [2021-06-13 15:34:57,842 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 13.06 03:34:57" (1/1) ... [2021-06-13 15:34:57,848 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 13.06 03:34:57" (1/1) ... [2021-06-13 15:34:57,848 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 13.06 03:34:57" (1/1) ... [2021-06-13 15:34:57,853 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 13.06 03:34:57" (1/1) ... [2021-06-13 15:34:57,855 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 13.06 03:34:57" (1/1) ... [2021-06-13 15:34:57,856 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 13.06 03:34:57" (1/1) ... [2021-06-13 15:34:57,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 15:34:57,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 15:34:57,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 15:34:57,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 15:34:57,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:34:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 15:34:57,910 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 15:34:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 15:34:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 15:34:57,910 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 15:34:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 15:34:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 15:34:57,910 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 15:34:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 15:34:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 15:34:57,911 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 15:34:58,265 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 15:34:58,265 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-13 15:34:58,266 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-13 15:34:58,267 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 03:34:58 BoogieIcfgContainer [2021-06-13 15:34:58,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 15:34:58,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 15:34:58,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 15:34:58,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 15:34:58,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:34:57" (1/2) ... [2021-06-13 15:34:58,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@344b2a0f and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 03:34:58, skipping insertion in model container [2021-06-13 15:34:58,271 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 13.06 03:34:58" (2/2) ... [2021-06-13 15:34:58,271 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-06-13 15:34:58,284 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 15:34:58,284 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 15:34:58,284 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 15:34:58,285 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 15:34:58,326 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-13 15:34:58,342 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 15:34:58,386 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 15:34:58,386 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 15:34:58,386 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 15:34:58,386 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 15:34:58,386 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 15:34:58,386 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 15:34:58,387 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 15:34:58,387 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 15:34:58,411 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:34:58,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:34:58,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1298021065, now seen corresponding path program 1 times [2021-06-13 15:34:58,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:34:58,421 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501410619] [2021-06-13 15:34:58,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:34:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:34:58,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:34:58,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:34:58,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501410619] [2021-06-13 15:34:58,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501410619] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 15:34:58,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 15:34:58,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-13 15:34:58,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701764512] [2021-06-13 15:34:58,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-13 15:34:58,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:34:58,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-13 15:34:58,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-13 15:34:58,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:34:58,603 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:34:58,604 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 15:34:58,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:34:58,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:34:58,629 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 15:34:58,629 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:34:58,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:34:58,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1876900165, now seen corresponding path program 1 times [2021-06-13 15:34:58,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:34:58,630 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592436749] [2021-06-13 15:34:58,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:34:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:34:58,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:34:58,816 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:34:58,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592436749] [2021-06-13 15:34:58,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592436749] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:34:58,818 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379318591] [2021-06-13 15:34:58,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:34:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:34:58,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-13 15:34:58,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:34:58,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-13 15:34:58,989 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:34:58,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:34:58,992 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:34:58,993 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-06-13 15:34:59,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:34:59,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379318591] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:34:59,024 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:34:59,024 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-13 15:34:59,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796607205] [2021-06-13 15:34:59,025 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-13 15:34:59,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:34:59,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-13 15:34:59,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-13 15:34:59,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:34:59,026 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:34:59,026 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) [2021-06-13 15:34:59,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:34:59,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:34:59,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:34:59,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:34:59,279 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:34:59,280 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:34:59,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:34:59,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1515210487, now seen corresponding path program 2 times [2021-06-13 15:34:59,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:34:59,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297793485] [2021-06-13 15:34:59,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:34:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:34:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:34:59,429 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:34:59,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297793485] [2021-06-13 15:34:59,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297793485] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:34:59,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914042163] [2021-06-13 15:34:59,430 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:34:59,454 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 15:34:59,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:34:59,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-13 15:34:59,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:34:59,541 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:34:59,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-06-13 15:34:59,544 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:34:59,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:34:59,546 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:34:59,546 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-06-13 15:34:59,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:34:59,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914042163] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:34:59,584 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:34:59,585 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-13 15:34:59,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736688308] [2021-06-13 15:34:59,585 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-13 15:34:59,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:34:59,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-13 15:34:59,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-13 15:34:59,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:34:59,586 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:34:59,586 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) [2021-06-13 15:34:59,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:34:59,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:34:59,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:34:59,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:34:59,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:34:59,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:34:59,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:34:59,857 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:34:59,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:34:59,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1107234939, now seen corresponding path program 3 times [2021-06-13 15:34:59,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:34:59,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802097470] [2021-06-13 15:34:59,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:34:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:34:59,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:34:59,980 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:34:59,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802097470] [2021-06-13 15:34:59,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802097470] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:34:59,984 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109500822] [2021-06-13 15:34:59,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:35:00,014 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-13 15:35:00,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:35:00,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-13 15:35:00,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:35:00,242 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:00,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-13 15:35:00,262 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:35:00,264 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:00,264 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:35:00,264 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-13 15:35:00,271 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:00,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109500822] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:00,272 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:35:00,272 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-13 15:35:00,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973790736] [2021-06-13 15:35:00,273 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-13 15:35:00,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:35:00,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-13 15:35:00,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-13 15:35:00,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:00,274 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:35:00,274 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) [2021-06-13 15:35:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:00,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:00,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:00,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:00,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:00,551 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:35:00,552 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:35:00,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:35:00,552 INFO L82 PathProgramCache]: Analyzing trace with hash -798664521, now seen corresponding path program 4 times [2021-06-13 15:35:00,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:35:00,552 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324716885] [2021-06-13 15:35:00,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:35:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:35:00,600 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:00,600 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:35:00,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324716885] [2021-06-13 15:35:00,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324716885] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:00,601 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649844030] [2021-06-13 15:35:00,601 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 [2021-06-13 15:35:00,629 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 15:35:00,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:35:00,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-13 15:35:00,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:35:00,664 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:00,664 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649844030] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:00,664 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:35:00,664 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-13 15:35:00,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629906223] [2021-06-13 15:35:00,664 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 15:35:00,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:35:00,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 15:35:00,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-06-13 15:35:00,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:00,665 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:35:00,665 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 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) [2021-06-13 15:35:00,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:00,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:00,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:00,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:00,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:00,911 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-13 15:35:00,911 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:35:00,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:35:00,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1836816026, now seen corresponding path program 1 times [2021-06-13 15:35:00,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:35:00,912 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068457125] [2021-06-13 15:35:00,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:35:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:35:00,994 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:00,995 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:35:00,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068457125] [2021-06-13 15:35:00,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068457125] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:00,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920165258] [2021-06-13 15:35:00,995 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 [2021-06-13 15:35:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:35:01,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-13 15:35:01,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:35:01,240 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:01,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-13 15:35:01,279 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:35:01,280 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:01,280 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:35:01,281 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-13 15:35:01,286 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:01,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920165258] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:01,286 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:35:01,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-13 15:35:01,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374561023] [2021-06-13 15:35:01,286 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-13 15:35:01,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:35:01,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-13 15:35:01,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-06-13 15:35:01,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:01,287 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:35:01,287 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) [2021-06-13 15:35:01,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:01,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:01,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:01,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:01,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:01,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:01,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:01,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:01,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:01,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:01,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:01,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:01,612 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:35:01,613 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:35:01,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:35:01,613 INFO L82 PathProgramCache]: Analyzing trace with hash 2020244300, now seen corresponding path program 2 times [2021-06-13 15:35:01,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:35:01,613 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132108937] [2021-06-13 15:35:01,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:35:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:35:01,717 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:01,717 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:35:01,717 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132108937] [2021-06-13 15:35:01,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132108937] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:01,717 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275176477] [2021-06-13 15:35:01,718 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) [2021-06-13 15:35:01,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 15:35:01,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:35:01,748 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-13 15:35:01,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:35:01,945 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:01,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-06-13 15:35:02,019 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:35:02,020 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:02,021 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:35:02,021 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-06-13 15:35:02,026 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:02,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275176477] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:02,026 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:35:02,026 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-13 15:35:02,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732332945] [2021-06-13 15:35:02,027 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-13 15:35:02,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:35:02,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-13 15:35:02,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-06-13 15:35:02,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:02,027 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:35:02,027 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) [2021-06-13 15:35:02,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:02,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:02,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:02,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:02,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:02,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:02,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:02,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:02,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:02,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:02,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:02,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:02,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:02,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:02,331 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-13 15:35:02,332 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:35:02,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:35:02,332 INFO L82 PathProgramCache]: Analyzing trace with hash -883413798, now seen corresponding path program 3 times [2021-06-13 15:35:02,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:35:02,332 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097869553] [2021-06-13 15:35:02,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:35:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:35:02,467 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:02,467 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:35:02,467 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097869553] [2021-06-13 15:35:02,467 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097869553] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:02,467 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267788909] [2021-06-13 15:35:02,467 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 [2021-06-13 15:35:02,501 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-13 15:35:02,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:35:02,502 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-13 15:35:02,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:35:02,772 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:02,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-06-13 15:35:03,005 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:35:03,006 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:03,007 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:35:03,007 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-13 15:35:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:03,012 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267788909] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:03,012 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:35:03,012 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-13 15:35:03,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357764757] [2021-06-13 15:35:03,012 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-13 15:35:03,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:35:03,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-13 15:35:03,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-06-13 15:35:03,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:03,013 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:35:03,013 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) [2021-06-13 15:35:03,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:03,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:03,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:03,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:03,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:03,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:03,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:03,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:03,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:03,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:03,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:03,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:03,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:03,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:03,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:03,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:03,353 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-06-13 15:35:03,354 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:35:03,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:35:03,354 INFO L82 PathProgramCache]: Analyzing trace with hash -702501620, now seen corresponding path program 4 times [2021-06-13 15:35:03,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:35:03,354 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087545845] [2021-06-13 15:35:03,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:35:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:35:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:03,483 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:35:03,483 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087545845] [2021-06-13 15:35:03,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087545845] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:03,483 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082844122] [2021-06-13 15:35:03,483 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 [2021-06-13 15:35:03,510 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 15:35:03,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:35:03,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-13 15:35:03,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:35:03,788 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:03,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-06-13 15:35:04,361 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:35:04,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:04,362 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:35:04,363 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-06-13 15:35:04,367 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:04,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082844122] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:04,367 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:35:04,367 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-13 15:35:04,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100443008] [2021-06-13 15:35:04,368 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-13 15:35:04,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:35:04,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-13 15:35:04,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-06-13 15:35:04,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:04,368 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:35:04,369 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) [2021-06-13 15:35:04,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:04,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:04,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:04,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:04,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:04,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:04,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:04,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:04,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:04,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:04,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:04,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:04,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:04,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:04,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:04,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:04,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:04,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:04,756 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:35:04,756 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:35:04,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:35:04,757 INFO L82 PathProgramCache]: Analyzing trace with hash 610808602, now seen corresponding path program 5 times [2021-06-13 15:35:04,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:35:04,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315936936] [2021-06-13 15:35:04,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:35:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:35:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:04,822 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:35:04,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315936936] [2021-06-13 15:35:04,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315936936] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:04,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374682317] [2021-06-13 15:35:04,823 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 [2021-06-13 15:35:04,860 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-13 15:35:04,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:35:04,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-13 15:35:04,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:35:04,904 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:04,904 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374682317] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:04,904 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:35:04,904 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-06-13 15:35:04,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185640222] [2021-06-13 15:35:04,904 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-13 15:35:04,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:35:04,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-13 15:35:04,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-06-13 15:35:04,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:04,905 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:35:04,905 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 15:35:04,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:04,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:04,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:04,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:04,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:04,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:04,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:04,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:04,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:04,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:05,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:05,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:05,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:05,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:05,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:05,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:05,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:05,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:05,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:05,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:35:05,202 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable199 [2021-06-13 15:35:05,202 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:35:05,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:35:05,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1714157417, now seen corresponding path program 6 times [2021-06-13 15:35:05,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:35:05,203 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102768695] [2021-06-13 15:35:05,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:35:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:35:05,344 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:05,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:35:05,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102768695] [2021-06-13 15:35:05,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102768695] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:05,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673584940] [2021-06-13 15:35:05,345 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 [2021-06-13 15:35:05,374 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-13 15:35:05,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:35:05,375 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-13 15:35:05,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:35:05,790 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:05,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-06-13 15:35:07,639 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:35:07,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:07,640 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:35:07,640 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-13 15:35:07,645 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:07,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673584940] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:07,645 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:35:07,646 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-06-13 15:35:07,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669972287] [2021-06-13 15:35:07,646 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-13 15:35:07,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:35:07,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-13 15:35:07,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-06-13 15:35:07,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:07,647 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:35:07,647 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) [2021-06-13 15:35:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:35:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:07,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:07,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:07,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:35:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 15:35:08,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-06-13 15:35:08,157 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:35:08,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:35:08,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1951548197, now seen corresponding path program 7 times [2021-06-13 15:35:08,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:35:08,157 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434052875] [2021-06-13 15:35:08,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:35:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:35:08,355 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:08,356 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:35:08,356 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434052875] [2021-06-13 15:35:08,356 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434052875] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:08,356 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28791940] [2021-06-13 15:35:08,356 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 [2021-06-13 15:35:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:35:08,383 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-13 15:35:08,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:35:08,908 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-13 15:35:08,908 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:08,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-06-13 15:35:09,960 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-06-13 15:35:10,694 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 192 [2021-06-13 15:35:10,805 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-06-13 15:35:10,963 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-06-13 15:35:11,270 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-13 15:35:11,580 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-13 15:35:11,924 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-06-13 15:35:12,369 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-06-13 15:35:13,044 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-13 15:35:13,181 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-13 15:35:13,382 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-06-13 15:35:14,430 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:35:14,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:14,431 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:35:14,432 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-13 15:35:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:14,437 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28791940] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:14,437 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:35:14,437 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-06-13 15:35:14,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866656530] [2021-06-13 15:35:14,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-13 15:35:14,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:35:14,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-13 15:35:14,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-06-13 15:35:14,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:14,438 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:35:14,438 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) [2021-06-13 15:35:14,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:14,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:14,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:14,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:14,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:14,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:14,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:14,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:14,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:14,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:35:14,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 15:35:14,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:14,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:14,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:14,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:14,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:14,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:14,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:14,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:14,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:14,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:14,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:35:14,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 15:35:14,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:35:14,880 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-06-13 15:35:14,881 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:35:14,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:35:14,881 INFO L82 PathProgramCache]: Analyzing trace with hash -375694761, now seen corresponding path program 8 times [2021-06-13 15:35:14,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:35:14,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302061228] [2021-06-13 15:35:14,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:35:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:35:15,081 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:15,082 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:35:15,082 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302061228] [2021-06-13 15:35:15,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302061228] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:15,082 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477400485] [2021-06-13 15:35:15,082 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 [2021-06-13 15:35:15,108 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 15:35:15,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:35:15,109 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-13 15:35:15,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:35:15,684 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-13 15:35:15,684 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:15,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-06-13 15:35:16,641 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-06-13 15:35:16,831 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-13 15:35:17,015 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-13 15:35:17,230 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-06-13 15:35:17,635 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-06-13 15:35:17,854 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-06-13 15:35:18,114 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-06-13 15:35:18,337 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-06-13 15:35:18,825 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-06-13 15:35:18,929 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 218 [2021-06-13 15:35:19,639 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-06-13 15:35:19,889 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-06-13 15:35:20,013 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-06-13 15:35:21,230 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-06-13 15:35:21,711 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-06-13 15:35:21,922 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-06-13 15:35:22,840 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-06-13 15:35:23,376 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-06-13 15:35:23,738 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 207 [2021-06-13 15:35:23,867 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-06-13 15:35:24,151 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-06-13 15:35:24,969 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-13 15:35:25,795 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-13 15:35:26,699 WARN L205 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-06-13 15:35:27,776 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-06-13 15:35:27,966 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-06-13 15:35:28,824 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-06-13 15:35:29,191 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-06-13 15:35:29,638 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-06-13 15:35:30,152 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-13 15:35:30,666 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-13 15:35:31,244 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-06-13 15:35:31,838 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-06-13 15:35:32,101 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-06-13 15:35:32,316 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-06-13 15:35:32,534 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-06-13 15:35:33,285 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-06-13 15:35:33,912 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-06-13 15:35:34,210 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-06-13 15:35:34,995 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-06-13 15:35:35,494 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-06-13 15:35:36,039 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-06-13 15:35:36,143 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 368 [2021-06-13 15:35:37,081 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-06-13 15:35:37,969 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-06-13 15:35:39,096 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-06-13 15:35:40,206 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-13 15:35:41,318 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-13 15:35:42,495 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-06-13 15:35:42,666 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-06-13 15:35:43,027 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-06-13 15:35:43,738 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-06-13 15:35:43,918 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-13 15:35:44,093 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-13 15:35:44,284 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-06-13 15:35:44,472 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-06-13 15:35:44,804 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:35:44,806 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:44,806 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:35:44,806 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-13 15:35:44,810 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:44,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477400485] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:44,810 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:35:44,810 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-06-13 15:35:44,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488212169] [2021-06-13 15:35:44,811 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-13 15:35:44,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:35:44,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-13 15:35:44,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-13 15:35:44,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:44,812 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:35:44,812 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) [2021-06-13 15:35:44,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:44,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:44,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:44,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:44,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:44,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:44,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:44,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:44,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:44,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:35:44,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 15:35:44,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:35:44,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:35:45,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:35:45,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:35:45,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 15:35:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:35:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:35:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 15:35:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:35:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 15:35:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:35:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 15:35:45,241 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable903 [2021-06-13 15:35:45,241 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:35:45,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:35:45,241 INFO L82 PathProgramCache]: Analyzing trace with hash 494217573, now seen corresponding path program 9 times [2021-06-13 15:35:45,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:35:45,241 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000670719] [2021-06-13 15:35:45,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:35:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:35:45,422 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:35:45,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:35:45,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000670719] [2021-06-13 15:35:45,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000670719] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:35:45,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324223692] [2021-06-13 15:35:45,422 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 [2021-06-13 15:35:45,455 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-13 15:35:45,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:35:45,456 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-13 15:35:45,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:35:46,041 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-06-13 15:35:46,041 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:35:46,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-06-13 15:35:47,351 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-06-13 15:35:47,528 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-06-13 15:35:47,743 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-06-13 15:35:49,070 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-06-13 15:35:49,272 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-06-13 15:35:49,525 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-06-13 15:35:50,089 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-06-13 15:35:50,669 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-06-13 15:35:51,361 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-06-13 15:35:52,162 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-06-13 15:35:53,080 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-13 15:35:53,999 WARN L205 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-13 15:35:55,100 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-06-13 15:35:57,510 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-06-13 15:35:59,293 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-06-13 15:36:00,389 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-06-13 15:36:02,048 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-06-13 15:36:02,923 WARN L205 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-06-13 15:36:03,269 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-06-13 15:36:04,218 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-06-13 15:36:04,334 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-06-13 15:36:04,486 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-13 15:36:05,550 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-06-13 15:36:05,746 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-06-13 15:36:05,951 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-06-13 15:36:06,821 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-06-13 15:36:07,159 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-06-13 15:36:07,581 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-06-13 15:36:08,745 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-06-13 15:36:08,923 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-06-13 15:36:09,464 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-06-13 15:36:09,975 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-06-13 15:36:10,148 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-06-13 15:36:10,371 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-06-13 15:36:10,540 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-06-13 15:36:11,188 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-06-13 15:36:11,484 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-06-13 15:36:11,616 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-06-13 15:36:11,788 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-06-13 15:36:11,960 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-06-13 15:36:12,568 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-06-13 15:36:13,237 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-06-13 15:36:13,415 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-06-13 15:36:13,657 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-06-13 15:36:14,007 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-06-13 15:36:15,374 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-06-13 15:36:15,540 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-06-13 15:36:16,024 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-06-13 15:36:17,128 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-06-13 15:36:18,655 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-06-13 15:36:18,829 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-06-13 15:36:19,047 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-06-13 15:36:19,203 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-06-13 15:36:20,052 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-06-13 15:36:20,229 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-06-13 15:36:20,585 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-06-13 15:36:20,760 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 198 [2021-06-13 15:36:21,563 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-06-13 15:36:21,824 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-06-13 15:36:22,916 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-06-13 15:36:23,128 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-06-13 15:36:23,645 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-06-13 15:36:24,308 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-06-13 15:36:25,082 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-06-13 15:36:26,484 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-06-13 15:36:26,653 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-06-13 15:36:26,902 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-06-13 15:36:27,195 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-06-13 15:36:27,933 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-06-13 15:36:28,405 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-06-13 15:36:28,664 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-06-13 15:36:29,214 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-06-13 15:36:29,588 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-06-13 15:36:29,974 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-06-13 15:36:30,967 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-06-13 15:36:31,139 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-06-13 15:36:31,812 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-06-13 15:36:32,606 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-06-13 15:36:33,972 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-06-13 15:36:36,217 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-06-13 15:36:37,211 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-06-13 15:36:37,390 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-06-13 15:36:38,068 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-06-13 15:36:38,793 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-06-13 15:36:39,181 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-06-13 15:36:39,331 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-13 15:36:40,156 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 212 [2021-06-13 15:36:40,345 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-06-13 15:36:41,053 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2021-06-13 15:36:41,218 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-06-13 15:36:41,431 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-06-13 15:36:41,882 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-06-13 15:36:42,964 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-06-13 15:36:43,587 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-06-13 15:36:44,074 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-06-13 15:36:44,337 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-06-13 15:36:44,906 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-06-13 15:36:45,364 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-06-13 15:36:45,827 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-06-13 15:36:46,672 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-06-13 15:36:47,033 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-06-13 15:36:47,918 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-06-13 15:36:48,991 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-06-13 15:36:50,601 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-06-13 15:36:53,135 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-06-13 15:36:58,331 WARN L205 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-06-13 15:37:05,287 WARN L205 SmtUtils]: Spent 6.94 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-06-13 15:37:14,036 WARN L205 SmtUtils]: Spent 8.73 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-06-13 15:37:24,284 WARN L205 SmtUtils]: Spent 10.23 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-06-13 15:37:25,665 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-06-13 15:37:26,561 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-06-13 15:37:26,741 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-06-13 15:37:26,990 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-06-13 15:37:27,100 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-06-13 15:37:28,280 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-06-13 15:37:28,793 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-06-13 15:37:29,463 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-13 15:37:29,594 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-13 15:37:30,097 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-06-13 15:37:30,559 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-06-13 15:37:30,821 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-13 15:37:31,084 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-13 15:37:31,554 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-06-13 15:37:32,357 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-06-13 15:37:33,102 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-06-13 15:37:33,297 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-06-13 15:37:34,208 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-06-13 15:37:34,464 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-06-13 15:37:34,940 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-06-13 15:37:36,314 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-06-13 15:37:37,943 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-06-13 15:37:38,242 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-06-13 15:37:38,400 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-06-13 15:37:38,540 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-06-13 15:37:38,783 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-06-13 15:37:39,461 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-06-13 15:37:39,763 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-06-13 15:37:40,259 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-06-13 15:37:40,374 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-06-13 15:37:40,937 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-06-13 15:37:41,554 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-06-13 15:37:41,743 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-06-13 15:37:42,514 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-06-13 15:37:42,909 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-06-13 15:37:43,764 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-06-13 15:37:44,450 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-06-13 15:37:44,607 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-06-13 15:37:44,867 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-06-13 15:37:45,337 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 193 [2021-06-13 15:37:45,448 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-06-13 15:37:46,164 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-06-13 15:37:46,744 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-06-13 15:37:47,122 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-06-13 15:37:48,431 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-06-13 15:37:49,976 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-06-13 15:37:53,417 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-06-13 15:37:53,532 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-06-13 15:37:53,690 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-06-13 15:37:53,812 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-06-13 15:37:54,713 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-06-13 15:37:55,617 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-06-13 15:37:55,827 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-06-13 15:37:56,037 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-06-13 15:37:56,230 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-06-13 15:37:56,557 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-06-13 15:37:56,930 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-06-13 15:37:57,117 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-06-13 15:37:57,407 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-06-13 15:37:57,880 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-06-13 15:37:58,074 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-06-13 15:37:58,337 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-06-13 15:37:58,480 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-06-13 15:37:59,138 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-06-13 15:37:59,532 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-06-13 15:37:59,728 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-06-13 15:38:00,010 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-06-13 15:38:00,440 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-06-13 15:38:01,083 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-06-13 15:38:01,230 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-06-13 15:38:02,203 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-06-13 15:38:03,199 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-06-13 15:38:03,427 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-13 15:38:03,654 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-13 15:38:04,021 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-06-13 15:38:04,549 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-06-13 15:38:05,551 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-06-13 15:38:05,807 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-06-13 15:38:06,333 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-06-13 15:38:07,625 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-06-13 15:38:13,141 WARN L205 SmtUtils]: Spent 5.51 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-06-13 15:38:19,359 WARN L205 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-06-13 15:38:27,117 WARN L205 SmtUtils]: Spent 7.74 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-06-13 15:38:36,373 WARN L205 SmtUtils]: Spent 9.24 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-06-13 15:38:37,373 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-06-13 15:38:38,249 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-06-13 15:38:38,423 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-06-13 15:38:39,504 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-06-13 15:38:39,665 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-06-13 15:38:39,856 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-06-13 15:38:40,161 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-06-13 15:38:41,083 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-06-13 15:38:41,633 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-06-13 15:38:42,406 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-06-13 15:38:43,301 WARN L205 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-06-13 15:38:44,886 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-06-13 15:38:45,014 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-06-13 15:38:45,173 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-06-13 15:38:45,409 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-06-13 15:38:46,161 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-06-13 15:38:46,955 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-06-13 15:38:47,363 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-06-13 15:38:47,948 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-06-13 15:38:49,616 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-06-13 15:38:51,407 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-06-13 15:38:53,453 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-06-13 15:39:06,247 WARN L205 SmtUtils]: Spent 12.78 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-06-13 15:39:30,856 WARN L205 SmtUtils]: Spent 24.59 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-06-13 15:39:58,647 WARN L205 SmtUtils]: Spent 27.76 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-06-13 15:39:59,799 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-06-13 15:39:59,962 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-06-13 15:40:01,385 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-06-13 15:40:01,609 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-06-13 15:40:02,058 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-06-13 15:40:02,598 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-06-13 15:40:34,260 WARN L205 SmtUtils]: Spent 31.65 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-06-13 15:41:10,167 WARN L205 SmtUtils]: Spent 35.87 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-13 15:41:45,873 WARN L205 SmtUtils]: Spent 35.67 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-13 15:42:25,725 WARN L205 SmtUtils]: Spent 39.83 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-06-13 15:43:25,960 WARN L205 SmtUtils]: Spent 1.00 m on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-06-13 15:44:25,909 WARN L205 SmtUtils]: Spent 59.91 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-06-13 15:45:28,450 WARN L205 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-06-13 15:45:36,491 WARN L205 SmtUtils]: Spent 8.02 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-06-13 15:45:50,544 WARN L205 SmtUtils]: Spent 14.04 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-06-13 15:45:50,827 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-06-13 15:45:59,854 WARN L205 SmtUtils]: Spent 9.02 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-06-13 15:46:00,398 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-06-13 15:46:00,799 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-06-13 15:46:05,837 WARN L205 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-06-13 15:46:05,963 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-06-13 15:46:06,079 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-06-13 15:46:07,009 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 230 [2021-06-13 15:46:07,168 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-06-13 15:46:07,641 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-06-13 15:46:07,959 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-06-13 15:46:09,094 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-06-13 15:46:09,205 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-06-13 15:46:09,312 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 208 [2021-06-13 15:46:09,717 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-06-13 15:46:10,091 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-06-13 15:46:11,209 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-06-13 15:46:11,492 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-06-13 15:46:11,880 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-06-13 15:46:12,395 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-06-13 15:46:13,545 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-06-13 15:46:13,776 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-06-13 15:46:13,883 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 509 [2021-06-13 15:46:15,081 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-06-13 15:46:15,250 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-06-13 15:46:15,790 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-06-13 15:46:16,163 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-06-13 15:46:16,274 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-06-13 15:46:17,965 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-06-13 15:46:18,436 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-06-13 15:46:18,727 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-06-13 15:46:19,129 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-06-13 15:46:20,047 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-06-13 15:46:22,356 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-06-13 15:46:25,136 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-06-13 15:46:28,438 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-06-13 15:46:34,086 WARN L205 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-06-13 15:46:34,492 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-06-13 15:46:34,712 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-06-13 15:46:35,380 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 217 [2021-06-13 15:46:36,095 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-06-13 15:46:36,356 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-06-13 15:46:36,736 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-06-13 15:46:42,917 WARN L205 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-06-13 15:46:43,554 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-06-13 15:46:44,301 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-06-13 15:46:44,465 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-06-13 15:46:44,698 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-06-13 15:46:44,812 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-06-13 15:46:45,558 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-06-13 15:46:45,713 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-06-13 15:46:46,365 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 241 [2021-06-13 15:46:46,533 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-06-13 15:46:46,741 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-06-13 15:46:47,120 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-06-13 15:46:47,800 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-06-13 15:46:48,679 WARN L205 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-06-13 15:46:56,580 WARN L205 SmtUtils]: Spent 7.89 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-06-13 15:47:05,719 WARN L205 SmtUtils]: Spent 9.12 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-06-13 15:47:24,325 WARN L205 SmtUtils]: Spent 18.58 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-06-13 15:47:52,129 WARN L205 SmtUtils]: Spent 27.76 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-06-13 15:49:08,425 WARN L205 SmtUtils]: Spent 1.27 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-06-13 15:49:27,789 WARN L205 SmtUtils]: Spent 19.35 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-06-13 15:49:28,238 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-06-13 15:49:28,479 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-06-13 15:49:28,589 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 212 [2021-06-13 15:49:29,658 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-06-13 15:49:29,927 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-06-13 15:49:30,085 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-06-13 15:49:30,941 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-06-13 15:49:31,180 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-06-13 15:49:31,494 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-06-13 15:49:32,361 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-06-13 15:49:33,108 WARN L205 SmtUtils]: Spent 739.00 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