/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 19:55:24,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 19:55:24,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 19:55:24,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-09 19:55:24,594 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-None-NoLbe.epf [2021-07-09 19:55:24,621 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 19:55:24,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 19:55:24,621 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-09 19:55:24,622 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-09 19:55:24,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 19:55:24,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 19:55:24,624 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 19:55:24,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 19:55:24,624 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 19:55:24,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 19:55:24,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 19:55:24,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 19:55:24,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 19:55:24,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 19:55:24,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 19:55:24,625 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 19:55:24,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 19:55:24,626 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 19:55:24,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 19:55:24,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 19:55:24,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 19:55:24,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 19:55:24,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 19:55:24,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 19:55:24,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 19:55:24,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 19:55:24,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 19:55:24,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 19:55:24,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 19:55:24,627 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 19:55:24,627 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-09 19:55:24,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 19:55:24,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 19:55:24,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 19:55:24,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 19:55:24,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 19:55:24,868 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-09 19:55:24,869 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-09 19:55:24,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl [2021-07-09 19:55:24,870 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-07-09 19:55:24,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 19:55:24,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-09 19:55:24,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 19:55:24,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 19:55:24,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 19:55:24,900 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 09.07 07:55:24" (1/1) ... [2021-07-09 19:55:24,907 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 09.07 07:55:24" (1/1) ... [2021-07-09 19:55:24,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 19:55:24,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 19:55:24,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 19:55:24,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 19:55:24,918 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 09.07 07:55:24" (1/1) ... [2021-07-09 19:55:24,918 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 09.07 07:55:24" (1/1) ... [2021-07-09 19:55:24,920 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 09.07 07:55:24" (1/1) ... [2021-07-09 19:55:24,920 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 09.07 07:55:24" (1/1) ... [2021-07-09 19:55:24,922 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 09.07 07:55:24" (1/1) ... [2021-07-09 19:55:24,923 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 09.07 07:55:24" (1/1) ... [2021-07-09 19:55:24,924 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 09.07 07:55:24" (1/1) ... [2021-07-09 19:55:24,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 19:55:24,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 19:55:24,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 19:55:24,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 19:55:24,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:55:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 19:55:24,980 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-09 19:55:24,980 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-09 19:55:24,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-09 19:55:24,980 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-09 19:55:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-09 19:55:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-09 19:55:24,981 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-09 19:55:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 19:55:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 19:55:24,981 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 19:55:25,202 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 19:55:25,203 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-09 19:55:25,203 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-09 19:55:25,204 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 07:55:25 BoogieIcfgContainer [2021-07-09 19:55:25,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 19:55:25,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 19:55:25,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 19:55:25,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 19:55:25,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:55:24" (1/2) ... [2021-07-09 19:55:25,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1041cdc3 and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 07:55:25, skipping insertion in model container [2021-07-09 19:55:25,208 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 09.07 07:55:25" (2/2) ... [2021-07-09 19:55:25,209 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-07-09 19:55:25,214 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 19:55:25,214 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 19:55:25,215 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 19:55:25,215 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 19:55:25,236 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-09 19:55:25,251 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-09 19:55:25,305 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 19:55:25,305 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 19:55:25,305 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 19:55:25,305 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 19:55:25,305 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 19:55:25,306 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 19:55:25,306 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 19:55:25,306 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 19:55:25,311 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 16 transitions, 48 flow [2021-07-09 19:55:25,318 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 16 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:55:25,323 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:55:25,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:55:25,327 INFO L82 PathProgramCache]: Analyzing trace with hash 394158217, now seen corresponding path program 1 times [2021-07-09 19:55:25,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:55:25,332 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273904761] [2021-07-09 19:55:25,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:55:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:25,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:25,461 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:55:25,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273904761] [2021-07-09 19:55:25,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273904761] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 19:55:25,462 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 19:55:25,462 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-09 19:55:25,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175799890] [2021-07-09 19:55:25,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 19:55:25,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:55:25,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 19:55:25,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-09 19:55:25,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:25,474 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:55:25,474 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:55:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:25,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:25,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 19:55:25,496 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:55:25,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:55:25,496 INFO L82 PathProgramCache]: Analyzing trace with hash 936764839, now seen corresponding path program 1 times [2021-07-09 19:55:25,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:55:25,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730687962] [2021-07-09 19:55:25,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:55:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:25,715 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 26 [2021-07-09 19:55:25,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:25,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:55:25,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730687962] [2021-07-09 19:55:25,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730687962] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:25,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712002502] [2021-07-09 19:55:25,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:25,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-09 19:55:25,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:55:25,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-09 19:55:25,986 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:55:25,989 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:25,990 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:55:25,990 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-09 19:55:26,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:26,002 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712002502] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:26,002 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:55:26,002 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-09 19:55:26,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221475053] [2021-07-09 19:55:26,004 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-09 19:55:26,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:55:26,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-09 19:55:26,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-07-09 19:55:26,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:26,005 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:55:26,005 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:55:26,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:26,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:26,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:26,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:26,269 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:26,269 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:55:26,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:55:26,270 INFO L82 PathProgramCache]: Analyzing trace with hash 577700937, now seen corresponding path program 2 times [2021-07-09 19:55:26,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:55:26,270 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967235484] [2021-07-09 19:55:26,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:55:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:26,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:26,460 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:55:26,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967235484] [2021-07-09 19:55:26,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967235484] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:26,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066448938] [2021-07-09 19:55:26,460 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:26,491 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 19:55:26,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:55:26,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-09 19:55:26,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:55:26,586 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:26,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-09 19:55:26,590 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:55:26,591 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:26,592 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:55:26,592 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-09 19:55:26,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:26,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066448938] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:26,602 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:55:26,602 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-09 19:55:26,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314394290] [2021-07-09 19:55:26,603 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-09 19:55:26,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:55:26,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-09 19:55:26,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-09 19:55:26,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:26,605 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:55:26,605 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:55:26,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:26,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:26,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:26,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:26,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:26,908 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:26,909 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:55:26,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:55:26,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1963345433, now seen corresponding path program 3 times [2021-07-09 19:55:26,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:55:26,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172202101] [2021-07-09 19:55:26,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:55:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:26,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:26,995 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:55:26,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172202101] [2021-07-09 19:55:26,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172202101] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:26,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597576473] [2021-07-09 19:55:26,995 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:27,019 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-09 19:55:27,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:55:27,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-09 19:55:27,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:55:27,185 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:27,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-09 19:55:27,209 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:55:27,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:27,211 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:55:27,211 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-09 19:55:27,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:27,220 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597576473] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:27,220 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:55:27,220 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-09 19:55:27,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297751536] [2021-07-09 19:55:27,221 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-09 19:55:27,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:55:27,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-09 19:55:27,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-09 19:55:27,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:27,222 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:55:27,222 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:55:27,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:27,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:27,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:27,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:27,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:27,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:27,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:27,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:27,509 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:27,509 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:55:27,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:55:27,510 INFO L82 PathProgramCache]: Analyzing trace with hash 868595721, now seen corresponding path program 4 times [2021-07-09 19:55:27,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:55:27,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884296812] [2021-07-09 19:55:27,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:55:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:27,554 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:27,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:55:27,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884296812] [2021-07-09 19:55:27,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884296812] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:27,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414622199] [2021-07-09 19:55:27,555 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:27,586 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 19:55:27,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:55:27,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-09 19:55:27,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:55:27,630 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:27,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414622199] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:27,630 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:55:27,630 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-09 19:55:27,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408349943] [2021-07-09 19:55:27,631 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 19:55:27,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:55:27,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 19:55:27,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-07-09 19:55:27,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:27,631 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:55:27,631 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:55:27,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:27,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:27,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:27,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:27,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:27,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:27,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:27,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:27,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:27,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:55:27,890 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-09 19:55:27,891 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:55:27,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:55:27,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1982275976, now seen corresponding path program 1 times [2021-07-09 19:55:27,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:55:27,891 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045149247] [2021-07-09 19:55:27,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:55:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:27,972 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:27,972 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:55:27,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045149247] [2021-07-09 19:55:27,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045149247] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:27,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985800532] [2021-07-09 19:55:27,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:27,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-09 19:55:27,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:55:28,209 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:28,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-09 19:55:28,241 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:55:28,242 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:28,243 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:55:28,243 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-09 19:55:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:28,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985800532] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:28,247 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:55:28,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-09 19:55:28,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306126039] [2021-07-09 19:55:28,248 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-09 19:55:28,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:55:28,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-09 19:55:28,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-07-09 19:55:28,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:28,249 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:55:28,249 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:55:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:55:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:55:28,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:28,637 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:28,637 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:55:28,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:55:28,638 INFO L82 PathProgramCache]: Analyzing trace with hash 468459306, now seen corresponding path program 2 times [2021-07-09 19:55:28,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:55:28,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431751000] [2021-07-09 19:55:28,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:55:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:28,756 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:55:28,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431751000] [2021-07-09 19:55:28,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431751000] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:28,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636471503] [2021-07-09 19:55:28,756 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:28,779 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 19:55:28,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:55:28,780 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-09 19:55:28,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:55:28,972 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:28,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-09 19:55:29,039 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:55:29,040 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:29,041 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:55:29,041 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-09 19:55:29,045 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:29,045 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636471503] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:29,045 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:55:29,045 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-09 19:55:29,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200521986] [2021-07-09 19:55:29,046 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 19:55:29,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:55:29,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 19:55:29,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-09 19:55:29,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:29,046 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:55:29,047 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:55:29,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:29,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:29,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:29,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:29,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:55:29,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:29,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:29,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:29,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:29,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:29,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:29,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:55:29,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:29,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:29,445 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-09 19:55:29,445 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:55:29,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:55:29,446 INFO L82 PathProgramCache]: Analyzing trace with hash 784782792, now seen corresponding path program 3 times [2021-07-09 19:55:29,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:55:29,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82739934] [2021-07-09 19:55:29,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:55:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:29,575 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:29,575 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:55:29,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82739934] [2021-07-09 19:55:29,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82739934] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:29,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551463373] [2021-07-09 19:55:29,575 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:29,603 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-09 19:55:29,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:55:29,606 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-09 19:55:29,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:55:29,822 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:29,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-09 19:55:30,122 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:55:30,124 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:30,124 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:55:30,124 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-09 19:55:30,128 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:30,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551463373] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:30,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:55:30,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-09 19:55:30,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189815872] [2021-07-09 19:55:30,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-09 19:55:30,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:55:30,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-09 19:55:30,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-07-09 19:55:30,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:30,130 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:55:30,130 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:55:30,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:30,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:30,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:30,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:30,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:55:30,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:30,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:30,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:30,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:30,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:30,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:30,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:30,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:55:30,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:30,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:30,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:55:30,502 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-07-09 19:55:30,502 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:55:30,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:55:30,503 INFO L82 PathProgramCache]: Analyzing trace with hash 2000876266, now seen corresponding path program 4 times [2021-07-09 19:55:30,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:55:30,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237376124] [2021-07-09 19:55:30,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:55:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:30,595 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:30,595 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:55:30,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237376124] [2021-07-09 19:55:30,595 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237376124] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:30,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304837756] [2021-07-09 19:55:30,595 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:30,619 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 19:55:30,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:55:30,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-09 19:55:30,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:55:30,892 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:30,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-07-09 19:55:31,450 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:55:31,451 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:31,452 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:55:31,452 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-09 19:55:31,457 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:31,457 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304837756] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:31,457 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:55:31,457 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-09 19:55:31,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918286462] [2021-07-09 19:55:31,459 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-09 19:55:31,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:55:31,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-09 19:55:31,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-09 19:55:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:31,461 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:55:31,461 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:55:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:55:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:55:31,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:55:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:31,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:31,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:55:31,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 19:55:31,950 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:31,950 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:55:31,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:55:31,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1045068296, now seen corresponding path program 5 times [2021-07-09 19:55:31,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:55:31,951 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061328403] [2021-07-09 19:55:31,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:55:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:32,021 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:32,021 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:55:32,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061328403] [2021-07-09 19:55:32,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061328403] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:32,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816997618] [2021-07-09 19:55:32,021 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:32,048 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-09 19:55:32,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:55:32,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 19:55:32,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:55:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:32,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816997618] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:32,096 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:55:32,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-07-09 19:55:32,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568392666] [2021-07-09 19:55:32,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 19:55:32,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:55:32,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 19:55:32,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-07-09 19:55:32,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:32,098 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:55:32,098 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:55:32,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:32,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:32,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:32,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:32,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:55:32,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:32,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:32,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:55:32,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-09 19:55:32,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:32,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:32,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:32,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:32,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:32,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:55:32,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:32,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:32,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:55:32,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 19:55:32,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:55:32,400 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable199 [2021-07-09 19:55:32,401 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:55:32,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:55:32,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1137008791, now seen corresponding path program 6 times [2021-07-09 19:55:32,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:55:32,401 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386528678] [2021-07-09 19:55:32,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:55:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:32,545 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:32,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:55:32,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386528678] [2021-07-09 19:55:32,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386528678] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:32,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794542515] [2021-07-09 19:55:32,545 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:32,570 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-09 19:55:32,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:55:32,571 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-09 19:55:32,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:55:32,980 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:32,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-09 19:55:34,687 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:55:34,688 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:34,688 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:55:34,688 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-09 19:55:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:34,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794542515] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:34,695 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:55:34,695 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-07-09 19:55:34,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532943383] [2021-07-09 19:55:34,695 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-09 19:55:34,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:55:34,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-09 19:55:34,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-07-09 19:55:34,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:34,696 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:55:34,697 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:55:34,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:34,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:34,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:34,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:34,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:55:34,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:34,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:34,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:55:34,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-09 19:55:34,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:55:34,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:55:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:55:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 19:55:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:55:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:55:35,313 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-07-09 19:55:35,313 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:55:35,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:55:35,314 INFO L82 PathProgramCache]: Analyzing trace with hash -545466617, now seen corresponding path program 7 times [2021-07-09 19:55:35,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:55:35,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357545844] [2021-07-09 19:55:35,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:55:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:35,499 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:35,499 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:55:35,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357545844] [2021-07-09 19:55:35,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357545844] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:35,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391303470] [2021-07-09 19:55:35,500 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:35,525 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-09 19:55:35,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:55:36,015 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-09 19:55:36,016 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:36,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-09 19:55:37,076 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-07-09 19:55:37,875 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-07-09 19:55:38,019 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-07-09 19:55:38,310 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-09 19:55:38,594 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-09 19:55:38,915 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-07-09 19:55:39,303 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-07-09 19:55:39,973 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-09 19:55:40,102 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-09 19:55:40,287 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-07-09 19:55:41,305 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:55:41,306 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:41,306 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:55:41,306 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-09 19:55:41,310 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:41,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391303470] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:41,311 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:55:41,311 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-07-09 19:55:41,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478627855] [2021-07-09 19:55:41,311 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-09 19:55:41,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:55:41,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-09 19:55:41,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-07-09 19:55:41,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:41,312 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:55:41,312 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:55:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:55:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:55:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-09 19:55:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:55:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:55:41,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:41,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:41,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:41,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:41,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:41,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:55:41,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:41,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:55:41,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:55:41,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 19:55:41,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:55:41,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:55:41,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:55:41,818 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-07-09 19:55:41,818 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:55:41,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:55:41,819 INFO L82 PathProgramCache]: Analyzing trace with hash 612471593, now seen corresponding path program 8 times [2021-07-09 19:55:41,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:55:41,819 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014545774] [2021-07-09 19:55:41,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:55:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:42,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:55:42,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014545774] [2021-07-09 19:55:42,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014545774] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:42,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802673265] [2021-07-09 19:55:42,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:42,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 19:55:42,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:55:42,050 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-09 19:55:42,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:55:42,624 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-09 19:55:42,625 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:42,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-09 19:55:43,573 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-07-09 19:55:43,743 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-09 19:55:43,918 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-09 19:55:44,114 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-09 19:55:44,486 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-07-09 19:55:44,692 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-07-09 19:55:44,933 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-07-09 19:55:45,123 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-07-09 19:55:45,580 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-07-09 19:55:46,320 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-07-09 19:55:46,552 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-07-09 19:55:46,664 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-07-09 19:55:47,784 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-07-09 19:55:48,229 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-07-09 19:55:48,440 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-07-09 19:55:49,309 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-07-09 19:55:49,849 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-07-09 19:55:50,320 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-07-09 19:55:50,584 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-07-09 19:55:51,357 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-09 19:55:52,115 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-09 19:55:52,964 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-07-09 19:55:53,982 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-07-09 19:55:54,156 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-07-09 19:55:54,985 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-07-09 19:55:55,324 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-07-09 19:55:55,735 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-07-09 19:55:56,203 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-09 19:55:56,677 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-09 19:55:57,221 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-07-09 19:55:57,785 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-07-09 19:55:58,034 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-07-09 19:55:58,235 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-07-09 19:55:58,440 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-07-09 19:55:59,174 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-07-09 19:55:59,775 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-07-09 19:56:00,055 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-07-09 19:56:00,810 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-07-09 19:56:01,272 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-07-09 19:56:01,787 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-07-09 19:56:02,796 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-07-09 19:56:03,643 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-07-09 19:56:04,699 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-07-09 19:56:05,726 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-09 19:56:06,779 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-09 19:56:07,884 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-07-09 19:56:08,050 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-07-09 19:56:08,394 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-07-09 19:56:09,063 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-07-09 19:56:09,230 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-09 19:56:09,393 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-09 19:56:09,565 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-07-09 19:56:09,733 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-07-09 19:56:10,059 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:56:10,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:56:10,061 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:56:10,061 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-09 19:56:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:56:10,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802673265] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:56:10,065 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:56:10,065 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-09 19:56:10,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22770874] [2021-07-09 19:56:10,066 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-09 19:56:10,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:56:10,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-09 19:56:10,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-07-09 19:56:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:56:10,067 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:56:10,067 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:56:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:56:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:56:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:56:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:56:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:56:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:56:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:56:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:56:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-09 19:56:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:56:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:56:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:56:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:56:10,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:56:10,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:56:10,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:56:10,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:56:10,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:56:10,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:56:10,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:56:10,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:56:10,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 19:56:10,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:56:10,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:56:10,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:56:10,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 19:56:10,643 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable903 [2021-07-09 19:56:10,643 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:56:10,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:56:10,643 INFO L82 PathProgramCache]: Analyzing trace with hash -2146149561, now seen corresponding path program 9 times [2021-07-09 19:56:10,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:56:10,643 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461495475] [2021-07-09 19:56:10,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:56:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:56:10,805 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:56:10,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:56:10,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461495475] [2021-07-09 19:56:10,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461495475] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:56:10,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296649033] [2021-07-09 19:56:10,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:56:10,835 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-09 19:56:10,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:56:10,837 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-09 19:56:10,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:56:11,415 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-09 19:56:11,416 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:56:11,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-07-09 19:56:12,631 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-07-09 19:56:12,794 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-07-09 19:56:13,001 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-07-09 19:56:14,241 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-07-09 19:56:14,435 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-07-09 19:56:14,676 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-07-09 19:56:15,207 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-07-09 19:56:15,748 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-07-09 19:56:16,403 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-07-09 19:56:17,158 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-07-09 19:56:18,017 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-09 19:56:18,878 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-09 19:56:19,916 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-07-09 19:56:22,189 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-07-09 19:56:23,862 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-07-09 19:56:24,903 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-07-09 19:56:26,459 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-07-09 19:56:27,266 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-07-09 19:56:27,587 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-07-09 19:56:28,488 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-07-09 19:56:28,598 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-07-09 19:56:28,740 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-09 19:56:29,746 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-07-09 19:56:29,932 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-07-09 19:56:30,127 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-07-09 19:56:30,954 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-07-09 19:56:31,273 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-07-09 19:56:31,662 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-07-09 19:56:32,747 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-07-09 19:56:32,913 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-07-09 19:56:33,432 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-07-09 19:56:33,912 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-07-09 19:56:34,072 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-07-09 19:56:34,279 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-07-09 19:56:34,438 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-07-09 19:56:35,052 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-07-09 19:56:35,333 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-07-09 19:56:35,454 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-07-09 19:56:35,611 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-07-09 19:56:35,768 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-07-09 19:56:36,954 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-07-09 19:56:37,123 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-07-09 19:56:37,349 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-07-09 19:56:37,672 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-07-09 19:56:38,996 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-07-09 19:56:39,153 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-07-09 19:56:39,608 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-07-09 19:56:40,632 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-07-09 19:56:42,061 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-07-09 19:56:42,234 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-07-09 19:56:42,433 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-07-09 19:56:42,581 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-09 19:56:43,378 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-07-09 19:56:43,548 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-07-09 19:56:44,791 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-07-09 19:56:45,027 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-07-09 19:56:46,037 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-07-09 19:56:46,230 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-07-09 19:56:46,713 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-07-09 19:56:47,335 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-07-09 19:56:48,068 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-07-09 19:56:49,383 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-07-09 19:56:49,540 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-07-09 19:56:49,771 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-07-09 19:56:50,043 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-07-09 19:56:50,735 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-07-09 19:56:51,181 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-07-09 19:56:51,427 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-07-09 19:56:51,965 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-07-09 19:56:52,309 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-07-09 19:56:52,673 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-07-09 19:56:53,605 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-07-09 19:56:53,767 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-07-09 19:56:54,392 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-07-09 19:56:55,127 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-07-09 19:56:56,410 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-07-09 19:56:58,516 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-07-09 19:56:59,441 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-07-09 19:56:59,607 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-07-09 19:57:00,229 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-07-09 19:57:00,917 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-07-09 19:57:01,280 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-07-09 19:57:01,418 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-09 19:57:02,197 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 212 [2021-07-09 19:57:02,370 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-07-09 19:57:03,196 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-07-09 19:57:03,393 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-07-09 19:57:03,797 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-07-09 19:57:04,791 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-07-09 19:57:05,373 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-07-09 19:57:05,824 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-07-09 19:57:06,070 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-07-09 19:57:06,604 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-07-09 19:57:07,031 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-07-09 19:57:07,472 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-07-09 19:57:08,251 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-07-09 19:57:08,585 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-07-09 19:57:09,409 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-07-09 19:57:10,425 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-07-09 19:57:11,939 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-07-09 19:57:14,275 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-07-09 19:57:19,152 WARN L205 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-07-09 19:57:25,695 WARN L205 SmtUtils]: Spent 6.53 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-07-09 19:57:33,858 WARN L205 SmtUtils]: Spent 8.15 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-07-09 19:57:43,425 WARN L205 SmtUtils]: Spent 9.55 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-07-09 19:57:44,708 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-07-09 19:57:45,548 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-07-09 19:57:45,714 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-07-09 19:57:45,952 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-07-09 19:57:47,168 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-07-09 19:57:47,645 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-07-09 19:57:48,279 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-09 19:57:48,418 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-09 19:57:49,333 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-07-09 19:57:49,577 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-09 19:57:49,823 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-09 19:57:50,265 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-07-09 19:57:51,018 WARN L205 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-07-09 19:57:51,716 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-07-09 19:57:51,901 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-07-09 19:57:52,771 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-07-09 19:57:53,005 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-07-09 19:57:53,452 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-07-09 19:57:54,733 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-07-09 19:57:56,258 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-07-09 19:57:56,537 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-07-09 19:57:56,691 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-07-09 19:57:56,817 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-07-09 19:57:57,044 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-07-09 19:57:57,668 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-09 19:57:57,951 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-07-09 19:57:58,405 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-07-09 19:57:58,512 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-07-09 19:57:59,052 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-07-09 19:57:59,626 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-07-09 19:57:59,807 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-07-09 19:58:00,524 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-07-09 19:58:00,895 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-07-09 19:58:01,693 WARN L205 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-07-09 19:58:02,339 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-07-09 19:58:02,484 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-09 19:58:02,725 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-07-09 19:58:03,270 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-07-09 19:58:03,942 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-07-09 19:58:04,480 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-07-09 19:58:04,831 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-07-09 19:58:06,062 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-07-09 19:58:07,516 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-07-09 19:58:10,743 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-07-09 19:58:10,857 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-09 19:58:11,008 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-07-09 19:58:11,123 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-07-09 19:58:11,948 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-07-09 19:58:12,801 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-07-09 19:58:12,997 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-07-09 19:58:13,196 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-07-09 19:58:13,376 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-07-09 19:58:13,683 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-07-09 19:58:14,032 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-07-09 19:58:14,203 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-07-09 19:58:14,474 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-07-09 19:58:14,927 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-07-09 19:58:15,106 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-07-09 19:58:15,358 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-07-09 19:58:15,519 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-07-09 19:58:16,121 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-07-09 19:58:16,484 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-07-09 19:58:16,664 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-07-09 19:58:16,925 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-07-09 19:58:17,336 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-07-09 19:58:17,935 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-07-09 19:58:18,070 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-07-09 19:58:18,999 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-07-09 19:58:19,931 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-07-09 19:58:20,142 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-09 19:58:20,350 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-09 19:58:20,702 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-07-09 19:58:21,194 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-07-09 19:58:22,142 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-07-09 19:58:22,374 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-07-09 19:58:22,859 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-07-09 19:58:24,059 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-07-09 19:58:29,193 WARN L205 SmtUtils]: Spent 5.13 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-07-09 19:58:34,992 WARN L205 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-07-09 19:58:42,207 WARN L205 SmtUtils]: Spent 7.20 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-07-09 19:58:50,838 WARN L205 SmtUtils]: Spent 8.62 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-07-09 19:58:51,769 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-07-09 19:58:52,590 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-07-09 19:58:52,753 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-07-09 19:58:53,760 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-07-09 19:58:53,908 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-07-09 19:58:54,088 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-07-09 19:58:54,374 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-07-09 19:58:55,269 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-07-09 19:58:55,780 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-07-09 19:58:56,504 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-07-09 19:58:57,343 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-07-09 19:58:58,955 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-07-09 19:58:59,098 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-07-09 19:58:59,321 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-07-09 19:59:00,027 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-07-09 19:59:00,773 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-07-09 19:59:01,149 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-07-09 19:59:01,691 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-07-09 19:59:03,236 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-07-09 19:59:04,894 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-07-09 19:59:06,792 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-07-09 19:59:18,695 WARN L205 SmtUtils]: Spent 11.89 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-07-09 19:59:41,683 WARN L205 SmtUtils]: Spent 22.96 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-07-09 20:00:07,908 WARN L205 SmtUtils]: Spent 26.19 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-07-09 20:00:09,155 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-07-09 20:00:09,309 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-07-09 20:00:10,710 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-07-09 20:00:10,935 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-07-09 20:00:11,367 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-07-09 20:00:11,877 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-07-09 20:00:43,369 WARN L205 SmtUtils]: Spent 31.48 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-07-09 20:01:18,753 WARN L205 SmtUtils]: Spent 35.34 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-09 20:01:53,888 WARN L205 SmtUtils]: Spent 35.04 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-09 20:02:33,309 WARN L205 SmtUtils]: Spent 39.39 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-07-09 20:03:30,315 WARN L205 SmtUtils]: Spent 56.97 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-07-09 20:04:27,023 WARN L205 SmtUtils]: Spent 56.65 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-07-09 20:05:26,559 WARN L205 SmtUtils]: Spent 59.50 s on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-07-09 20:05:34,257 WARN L205 SmtUtils]: Spent 7.66 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-07-09 20:05:47,472 WARN L205 SmtUtils]: Spent 13.20 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-07-09 20:05:47,742 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-07-09 20:05:56,333 WARN L205 SmtUtils]: Spent 8.58 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-07-09 20:05:56,854 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-07-09 20:05:57,242 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-07-09 20:06:02,009 WARN L205 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-07-09 20:06:02,136 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-09 20:06:02,251 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-07-09 20:06:03,296 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-07-09 20:06:03,767 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-07-09 20:06:04,062 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-07-09 20:06:05,145 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-07-09 20:06:05,251 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-09 20:06:05,745 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-07-09 20:06:06,099 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-07-09 20:06:07,190 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-07-09 20:06:07,457 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-07-09 20:06:07,836 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-07-09 20:06:08,330 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-07-09 20:06:09,422 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-07-09 20:06:09,649 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-07-09 20:06:10,889 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-07-09 20:06:11,076 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-07-09 20:06:11,580 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-07-09 20:06:11,948 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-07-09 20:06:12,053 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-07-09 20:06:13,673 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-07-09 20:06:14,130 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-07-09 20:06:14,416 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-07-09 20:06:14,791 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-07-09 20:06:15,665 WARN L205 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-07-09 20:06:17,881 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-07-09 20:06:20,555 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-07-09 20:06:23,714 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-07-09 20:06:29,036 WARN L205 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-07-09 20:06:29,410 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-07-09 20:06:29,616 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-07-09 20:06:30,246 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 217 [2021-07-09 20:06:30,909 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-07-09 20:06:31,157 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-07-09 20:06:31,508 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-07-09 20:06:37,327 WARN L205 SmtUtils]: Spent 5.81 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-07-09 20:06:37,930 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-07-09 20:06:38,634 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-07-09 20:06:38,783 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-07-09 20:06:39,002 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-07-09 20:06:39,112 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-07-09 20:06:39,816 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-07-09 20:06:39,961 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-09 20:06:40,753 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-07-09 20:06:40,952 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-07-09 20:06:41,312 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-07-09 20:06:41,951 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-07-09 20:06:42,758 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-07-09 20:06:50,117 WARN L205 SmtUtils]: Spent 7.35 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-07-09 20:06:58,694 WARN L205 SmtUtils]: Spent 8.56 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-07-09 20:07:16,154 WARN L205 SmtUtils]: Spent 17.43 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-07-09 20:07:42,706 WARN L205 SmtUtils]: Spent 26.51 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-07-09 20:08:54,834 WARN L205 SmtUtils]: Spent 1.20 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-07-09 20:09:12,806 WARN L205 SmtUtils]: Spent 17.96 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-07-09 20:09:13,240 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-07-09 20:09:13,464 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-07-09 20:09:14,578 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-07-09 20:09:14,824 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-07-09 20:09:14,966 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-07-09 20:09:15,782 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-07-09 20:09:16,000 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-07-09 20:09:16,284 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-07-09 20:09:17,091 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-07-09 20:09:17,804 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 [2021-07-09 20:09:35,087 WARN L205 SmtUtils]: Spent 17.27 s on a formula simplification. DAG size of input: 1500 DAG size of output: 2098 [2021-07-09 20:09:42,380 WARN L205 SmtUtils]: Spent 7.28 s on a formula simplification. DAG size of input: 1251 DAG size of output: 1697 [2021-07-09 20:09:47,143 WARN L205 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 1076 DAG size of output: 1519 [2021-07-09 20:09:47,429 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 1018 [2021-07-09 20:09:47,694 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 907 [2021-07-09 20:09:47,931 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 867 [2021-07-09 20:09:48,047 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2021-07-09 20:09:49,086 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 223 [2021-07-09 20:09:49,321 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 267 [2021-07-09 20:09:49,578 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 332 [2021-07-09 20:09:49,692 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 562 [2021-07-09 20:09:50,426 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 219 [2021-07-09 20:09:50,694 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 266 [2021-07-09 20:09:50,918 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 321 [2021-07-09 20:09:51,445 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 444 [2021-07-09 20:09:52,130 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 484 [2021-07-09 20:09:52,982 WARN L205 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 563 [2021-07-09 20:09:53,241 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 1043 [2021-07-09 20:09:53,479 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 927 [2021-07-09 20:09:53,823 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 880 [2021-07-09 20:09:54,779 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 262 [2021-07-09 20:09:54,965 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 298 [2021-07-09 20:09:55,210 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 342 [2021-07-09 20:09:55,321 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 605 [2021-07-09 20:09:56,530 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 247 [2021-07-09 20:09:56,722 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 281 [2021-07-09 20:09:56,999 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 352 [2021-07-09 20:09:57,586 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 494 [2021-07-09 20:09:58,334 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 574 [2021-07-09 20:09:59,283 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 659 [2021-07-09 20:10:01,254 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 1647 DAG size of output: 921 [2021-07-09 20:10:01,576 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 913 [2021-07-09 20:10:01,955 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 851 [2021-07-09 20:10:02,094 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2021-07-09 20:10:02,672 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 441 [2021-07-09 20:10:03,316 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 265 [2021-07-09 20:10:04,000 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 212 [2021-07-09 20:10:04,205 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 228 [2021-07-09 20:10:04,459 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 285 [2021-07-09 20:10:04,778 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 336 [2021-07-09 20:10:05,235 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 408 [2021-07-09 20:10:05,377 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 564 [2021-07-09 20:10:05,792 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2021-07-09 20:10:06,017 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 420 [2021-07-09 20:10:06,991 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 234 [2021-07-09 20:10:07,197 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 269 [2021-07-09 20:10:07,417 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 301 Received shutdown request... [2021-07-09 20:10:07,742 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 360 [2021-07-09 20:10:08,163 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 438 [2021-07-09 20:10:09,181 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1022 DAG size of output: 593 [2021-07-09 20:10:10,389 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1129 DAG size of output: 652 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown