/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-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 22:02:06,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 22:02:06,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 22:02:06,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-13 22:02:07,029 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 [2021-07-13 22:02:07,065 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 22:02:07,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 22:02:07,066 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 22:02:07,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 22:02:07,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 22:02:07,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 22:02:07,068 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 22:02:07,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 22:02:07,069 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 22:02:07,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 22:02:07,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 22:02:07,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 22:02:07,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 22:02:07,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 22:02:07,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 22:02:07,070 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 22:02:07,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 22:02:07,070 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 22:02:07,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 22:02:07,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 22:02:07,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 22:02:07,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 22:02:07,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 22:02:07,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 22:02:07,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 22:02:07,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 22:02:07,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 22:02:07,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 22:02:07,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 22:02:07,099 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 22:02:07,099 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-13 22:02:07,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 22:02:07,100 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 22:02:07,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 22:02:07,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 22:02:07,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 22:02:07,391 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-13 22:02:07,392 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-13 22:02:07,393 INFO L432 ainManager$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 [2021-07-13 22:02:07,393 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-07-13 22:02:07,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 22:02:07,421 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-13 22:02:07,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 22:02:07,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 22:02:07,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 22:02:07,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:07" (1/1) ... [2021-07-13 22:02:07,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:07" (1/1) ... [2021-07-13 22:02:07,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 22:02:07,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 22:02:07,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 22:02:07,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 22:02:07,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:07" (1/1) ... [2021-07-13 22:02:07,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:07" (1/1) ... [2021-07-13 22:02:07,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:07" (1/1) ... [2021-07-13 22:02:07,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:07" (1/1) ... [2021-07-13 22:02:07,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:07" (1/1) ... [2021-07-13 22:02:07,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:07" (1/1) ... [2021-07-13 22:02:07,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:07" (1/1) ... [2021-07-13 22:02:07,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 22:02:07,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 22:02:07,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 22:02:07,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 22:02:07,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:07" (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 [2021-07-13 22:02:07,575 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-13 22:02:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-13 22:02:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-13 22:02:07,576 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-13 22:02:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-13 22:02:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-13 22:02:07,577 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-13 22:02:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 22:02:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 22:02:07,579 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 22:02:07,862 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 22:02:07,862 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-13 22:02:07,863 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-13 22:02:07,864 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:02:07 BoogieIcfgContainer [2021-07-13 22:02:07,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 22:02:07,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 22:02:07,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 22:02:07,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 22:02:07,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:07" (1/2) ... [2021-07-13 22:02:07,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535dd4fa and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 10:02:07, skipping insertion in model container [2021-07-13 22:02:07,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:02:07" (2/2) ... [2021-07-13 22:02:07,869 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-07-13 22:02:07,873 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 22:02:07,873 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 22:02:07,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-13 22:02:07,873 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 22:02:07,892 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-13 22:02:07,914 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 [2021-07-13 22:02:07,956 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 22:02:07,957 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 22:02:07,957 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 22:02:07,957 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 22:02:07,957 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 22:02:07,957 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 22:02:07,957 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 22:02:07,957 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 22:02:07,962 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 16 transitions, 48 flow [2021-07-13 22:02:07,970 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) [2021-07-13 22:02:07,981 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:07,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:07,985 INFO L82 PathProgramCache]: Analyzing trace with hash 394158217, now seen corresponding path program 1 times [2021-07-13 22:02:07,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:07,993 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867268038] [2021-07-13 22:02:08,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:08,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:08,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:08,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867268038] [2021-07-13 22:02:08,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867268038] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 22:02:08,166 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 22:02:08,166 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-13 22:02:08,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039858914] [2021-07-13 22:02:08,169 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-13 22:02:08,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:08,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-13 22:02:08,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-13 22:02:08,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:08,178 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:08,178 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) [2021-07-13 22:02:08,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:08,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:08,198 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-13 22:02:08,198 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:08,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:08,199 INFO L82 PathProgramCache]: Analyzing trace with hash 936764839, now seen corresponding path program 1 times [2021-07-13 22:02:08,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:08,199 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22165676] [2021-07-13 22:02:08,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:08,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:08,377 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:08,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22165676] [2021-07-13 22:02:08,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22165676] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:08,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040301289] [2021-07-13 22:02:08,377 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 [2021-07-13 22:02:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:08,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-13 22:02:08,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:08,594 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 [2021-07-13 22:02:08,596 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:08,598 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:08,599 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:08,612 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-13 22:02:08,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:08,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040301289] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:08,625 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:08,625 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-13 22:02:08,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26764292] [2021-07-13 22:02:08,626 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-13 22:02:08,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:08,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-13 22:02:08,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-07-13 22:02:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:08,627 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:08,627 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) [2021-07-13 22:02:08,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:08,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:08,885 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:02:08,885 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:08,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:08,886 INFO L82 PathProgramCache]: Analyzing trace with hash 577700937, now seen corresponding path program 2 times [2021-07-13 22:02:08,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:08,886 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122123910] [2021-07-13 22:02:08,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:09,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:09,029 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:09,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122123910] [2021-07-13 22:02:09,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122123910] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:09,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299328306] [2021-07-13 22:02:09,030 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 [2021-07-13 22:02:09,098 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:02:09,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:09,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-13 22:02:09,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:09,214 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:09,215 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 [2021-07-13 22:02:09,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:09,219 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:09,220 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:09,221 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-13 22:02:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:09,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299328306] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:09,231 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:09,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-13 22:02:09,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632888036] [2021-07-13 22:02:09,233 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-13 22:02:09,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:09,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-13 22:02:09,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-13 22:02:09,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:09,235 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:09,235 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) [2021-07-13 22:02:09,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:09,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:09,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:09,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:09,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:09,542 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:02:09,543 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:09,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:09,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1963345433, now seen corresponding path program 3 times [2021-07-13 22:02:09,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:09,544 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717321985] [2021-07-13 22:02:09,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:09,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:09,635 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:09,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717321985] [2021-07-13 22:02:09,635 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717321985] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:09,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003831586] [2021-07-13 22:02:09,635 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 [2021-07-13 22:02:09,668 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-13 22:02:09,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:09,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-13 22:02:09,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:09,884 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:09,884 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 [2021-07-13 22:02:09,905 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:09,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:09,907 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:09,907 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-13 22:02:09,915 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:09,915 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003831586] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:09,915 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:09,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-13 22:02:09,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420358191] [2021-07-13 22:02:09,916 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-13 22:02:09,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:09,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-13 22:02:09,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-13 22:02:09,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:09,918 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:09,918 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) [2021-07-13 22:02:09,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:09,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:09,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:09,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:10,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:10,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:10,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:10,235 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:02:10,235 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:10,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:10,236 INFO L82 PathProgramCache]: Analyzing trace with hash 868595721, now seen corresponding path program 4 times [2021-07-13 22:02:10,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:10,236 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552232616] [2021-07-13 22:02:10,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:10,281 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:10,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:10,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552232616] [2021-07-13 22:02:10,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552232616] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:10,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604917848] [2021-07-13 22:02:10,282 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 [2021-07-13 22:02:10,320 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 22:02:10,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:10,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-13 22:02:10,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:10,368 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:10,368 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604917848] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:10,369 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:10,369 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-13 22:02:10,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247872300] [2021-07-13 22:02:10,369 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-13 22:02:10,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:10,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-13 22:02:10,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-07-13 22:02:10,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:10,370 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:10,370 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) [2021-07-13 22:02:10,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:10,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:10,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:10,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:10,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:10,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:10,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:10,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:10,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:10,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:10,630 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-13 22:02:10,630 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:10,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:10,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1982275976, now seen corresponding path program 1 times [2021-07-13 22:02:10,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:10,631 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313114714] [2021-07-13 22:02:10,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:10,734 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:10,735 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:10,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313114714] [2021-07-13 22:02:10,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313114714] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:10,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116956778] [2021-07-13 22:02:10,735 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 [2021-07-13 22:02:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:10,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-13 22:02:10,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:11,001 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:11,001 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 [2021-07-13 22:02:11,048 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:11,049 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:11,050 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:11,050 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-13 22:02:11,055 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:11,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116956778] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:11,055 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:11,055 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-13 22:02:11,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515309720] [2021-07-13 22:02:11,057 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-13 22:02:11,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:11,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-13 22:02:11,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-07-13 22:02:11,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:11,059 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:11,059 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) [2021-07-13 22:02:11,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:11,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:11,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:11,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:11,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:11,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:11,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:11,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:11,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:11,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:11,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:11,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:11,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:02:11,448 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:11,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:11,449 INFO L82 PathProgramCache]: Analyzing trace with hash 468459306, now seen corresponding path program 2 times [2021-07-13 22:02:11,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:11,449 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232511522] [2021-07-13 22:02:11,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:11,543 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:11,544 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:11,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232511522] [2021-07-13 22:02:11,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232511522] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:11,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124530041] [2021-07-13 22:02:11,544 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 [2021-07-13 22:02:11,591 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:02:11,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:11,592 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-13 22:02:11,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:11,804 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:11,804 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 [2021-07-13 22:02:11,894 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:11,896 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:11,896 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:11,896 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-13 22:02:11,901 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:11,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124530041] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:11,901 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:11,901 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-13 22:02:11,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521653382] [2021-07-13 22:02:11,902 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-13 22:02:11,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:11,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-13 22:02:11,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-13 22:02:11,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:11,902 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:11,903 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) [2021-07-13 22:02:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:11,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:12,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:12,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:12,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:12,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:12,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:12,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:12,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:12,302 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-13 22:02:12,302 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:12,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:12,303 INFO L82 PathProgramCache]: Analyzing trace with hash 784782792, now seen corresponding path program 3 times [2021-07-13 22:02:12,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:12,303 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240550374] [2021-07-13 22:02:12,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:12,459 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:12,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240550374] [2021-07-13 22:02:12,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240550374] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:12,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126489717] [2021-07-13 22:02:12,460 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 [2021-07-13 22:02:12,489 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-13 22:02:12,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:12,490 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-13 22:02:12,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:12,804 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:12,804 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 [2021-07-13 22:02:13,059 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:13,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:13,061 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:13,061 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-13 22:02:13,066 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:13,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126489717] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:13,067 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:13,067 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-13 22:02:13,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36975201] [2021-07-13 22:02:13,067 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-13 22:02:13,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:13,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-13 22:02:13,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-07-13 22:02:13,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:13,069 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:13,069 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) [2021-07-13 22:02:13,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:13,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:13,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:13,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:13,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:13,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:13,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:13,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:13,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:13,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:13,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:13,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:02:13,474 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-07-13 22:02:13,475 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:13,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:13,475 INFO L82 PathProgramCache]: Analyzing trace with hash 2000876266, now seen corresponding path program 4 times [2021-07-13 22:02:13,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:13,475 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484117834] [2021-07-13 22:02:13,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:13,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:13,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484117834] [2021-07-13 22:02:13,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484117834] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:13,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828449841] [2021-07-13 22:02:13,572 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 [2021-07-13 22:02:13,614 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 22:02:13,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:13,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-13 22:02:13,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:13,949 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:13,950 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 [2021-07-13 22:02:14,527 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:14,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:14,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:14,529 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-13 22:02:14,534 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:14,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828449841] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:14,534 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:14,534 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-13 22:02:14,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816591347] [2021-07-13 22:02:14,535 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-13 22:02:14,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:14,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-13 22:02:14,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-13 22:02:14,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:14,535 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:14,535 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) [2021-07-13 22:02:14,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:14,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:14,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:14,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:14,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:14,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:14,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:14,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:02:14,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:14,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:14,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:14,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:14,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:14,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:14,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:14,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:14,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:02:14,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:02:15,050 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:02:15,051 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:15,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:15,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1045068296, now seen corresponding path program 5 times [2021-07-13 22:02:15,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:15,051 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379889078] [2021-07-13 22:02:15,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:15,114 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:15,115 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379889078] [2021-07-13 22:02:15,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379889078] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:15,115 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308848873] [2021-07-13 22:02:15,115 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 [2021-07-13 22:02:15,144 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-13 22:02:15,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:15,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 22:02:15,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:15,206 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:15,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308848873] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:15,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:15,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-07-13 22:02:15,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791000735] [2021-07-13 22:02:15,207 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-13 22:02:15,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:15,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-13 22:02:15,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-07-13 22:02:15,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:15,207 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:15,207 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) [2021-07-13 22:02:15,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:02:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:02:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:15,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:02:15,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:02:15,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:02:15,523 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable199 [2021-07-13 22:02:15,523 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:15,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:15,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1137008791, now seen corresponding path program 6 times [2021-07-13 22:02:15,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:15,524 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113453499] [2021-07-13 22:02:15,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:15,661 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:15,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113453499] [2021-07-13 22:02:15,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113453499] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:15,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712739541] [2021-07-13 22:02:15,661 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 [2021-07-13 22:02:15,693 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-13 22:02:15,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:15,694 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-13 22:02:15,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:16,101 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:16,101 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 [2021-07-13 22:02:17,809 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:17,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:17,811 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:17,811 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-13 22:02:17,816 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:17,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712739541] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:17,816 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:17,816 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-07-13 22:02:17,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263013808] [2021-07-13 22:02:17,817 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-13 22:02:17,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:17,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-13 22:02:17,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-07-13 22:02:17,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:17,817 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:17,818 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) [2021-07-13 22:02:17,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:17,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:17,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:17,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:17,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:17,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:17,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:17,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:02:17,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:02:17,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:02:17,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:18,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:02:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:02:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:02:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:02:18,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-07-13 22:02:18,417 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:18,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:18,417 INFO L82 PathProgramCache]: Analyzing trace with hash -545466617, now seen corresponding path program 7 times [2021-07-13 22:02:18,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:18,418 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645017469] [2021-07-13 22:02:18,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:18,598 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:18,598 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:18,598 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645017469] [2021-07-13 22:02:18,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645017469] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:18,598 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427580790] [2021-07-13 22:02:18,598 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 [2021-07-13 22:02:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:18,652 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-13 22:02:18,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:19,274 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-13 22:02:19,275 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:19,275 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 [2021-07-13 22:02:20,294 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-07-13 22:02:21,089 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-07-13 22:02:21,236 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-07-13 22:02:21,519 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-13 22:02:21,848 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-13 22:02:22,170 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-07-13 22:02:22,569 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-07-13 22:02:23,274 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-13 22:02:23,400 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-13 22:02:23,587 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-07-13 22:02:24,553 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:24,554 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:24,555 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:24,555 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-13 22:02:24,560 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:24,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427580790] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:24,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:24,560 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-07-13 22:02:24,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348906150] [2021-07-13 22:02:24,560 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-13 22:02:24,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:24,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-13 22:02:24,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-07-13 22:02:24,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:24,561 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:24,561 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) [2021-07-13 22:02:24,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:24,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:24,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:24,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:24,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:24,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:24,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:24,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:02:24,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:02:24,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:02:24,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:02:24,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:02:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:02:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:02:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:02:24,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:02:25,090 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-07-13 22:02:25,090 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:25,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:25,091 INFO L82 PathProgramCache]: Analyzing trace with hash 612471593, now seen corresponding path program 8 times [2021-07-13 22:02:25,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:25,091 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794318576] [2021-07-13 22:02:25,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:25,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:25,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794318576] [2021-07-13 22:02:25,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794318576] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:25,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165450042] [2021-07-13 22:02:25,326 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 [2021-07-13 22:02:25,352 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:02:25,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:25,353 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-13 22:02:25,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:25,916 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-13 22:02:25,916 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:25,917 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 [2021-07-13 22:02:26,845 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-07-13 22:02:27,017 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-13 22:02:27,193 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-13 22:02:27,396 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-13 22:02:27,773 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-07-13 22:02:27,981 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-07-13 22:02:28,222 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-07-13 22:02:28,423 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-07-13 22:02:28,885 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-07-13 22:02:29,640 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-07-13 22:02:29,875 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-07-13 22:02:29,994 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-07-13 22:02:31,141 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-07-13 22:02:31,589 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-07-13 22:02:31,790 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-07-13 22:02:32,649 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-07-13 22:02:33,143 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-07-13 22:02:33,624 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-07-13 22:02:33,897 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-07-13 22:02:34,672 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-13 22:02:35,444 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-13 22:02:36,303 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-07-13 22:02:37,326 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-07-13 22:02:37,515 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-07-13 22:02:38,346 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-07-13 22:02:38,688 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-07-13 22:02:39,130 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-07-13 22:02:39,615 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-13 22:02:40,109 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-13 22:02:40,659 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-07-13 22:02:41,230 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-07-13 22:02:41,484 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-07-13 22:02:41,686 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-07-13 22:02:41,895 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-07-13 22:02:42,615 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-07-13 22:02:43,221 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-07-13 22:02:43,508 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-07-13 22:02:44,304 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-07-13 22:02:44,770 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-07-13 22:02:45,290 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-07-13 22:02:46,309 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-07-13 22:02:47,160 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-07-13 22:02:48,239 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-07-13 22:02:49,293 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-13 22:02:50,337 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-13 22:02:51,461 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-07-13 22:02:51,621 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-07-13 22:02:51,959 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-07-13 22:02:52,647 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-07-13 22:02:52,818 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-13 22:02:52,989 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-13 22:02:53,163 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-07-13 22:02:53,339 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-07-13 22:02:53,664 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:53,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:53,666 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:53,666 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-13 22:02:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:53,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165450042] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:53,671 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:53,671 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-13 22:02:53,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538244763] [2021-07-13 22:02:53,671 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-13 22:02:53,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:53,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-13 22:02:53,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-07-13 22:02:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:53,672 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:53,672 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) [2021-07-13 22:02:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:02:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:02:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:02:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:02:53,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:02:53,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:54,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:02:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:02:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:02:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:02:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:02:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:02:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:02:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-13 22:02:54,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable903 [2021-07-13 22:02:54,268 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:54,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:54,269 INFO L82 PathProgramCache]: Analyzing trace with hash -2146149561, now seen corresponding path program 9 times [2021-07-13 22:02:54,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:54,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150501584] [2021-07-13 22:02:54,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:54,457 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:54,457 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:54,457 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150501584] [2021-07-13 22:02:54,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150501584] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:54,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712050305] [2021-07-13 22:02:54,458 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 [2021-07-13 22:02:54,490 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-13 22:02:54,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:54,491 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-13 22:02:54,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:55,091 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-13 22:02:55,091 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:55,092 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 [2021-07-13 22:02:56,296 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-07-13 22:02:56,467 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-07-13 22:02:56,672 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-07-13 22:02:57,993 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-07-13 22:02:58,183 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-07-13 22:02:58,422 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-07-13 22:02:58,967 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-07-13 22:02:59,524 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-07-13 22:03:00,189 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-07-13 22:03:00,963 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-07-13 22:03:01,857 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-13 22:03:02,729 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-13 22:03:03,792 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-07-13 22:03:06,124 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-07-13 22:03:07,824 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-07-13 22:03:08,890 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-07-13 22:03:10,478 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-07-13 22:03:11,312 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-07-13 22:03:11,637 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-07-13 22:03:12,562 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-07-13 22:03:12,673 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-07-13 22:03:12,820 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-13 22:03:13,842 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-07-13 22:03:14,030 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-07-13 22:03:14,227 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-07-13 22:03:15,065 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-07-13 22:03:15,390 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-07-13 22:03:15,789 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-07-13 22:03:16,885 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-07-13 22:03:17,054 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-07-13 22:03:17,571 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-07-13 22:03:18,065 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-07-13 22:03:18,225 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-07-13 22:03:18,438 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-07-13 22:03:18,609 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-07-13 22:03:19,227 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-07-13 22:03:19,512 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-07-13 22:03:19,635 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-07-13 22:03:19,794 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-07-13 22:03:19,959 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-07-13 22:03:20,542 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-07-13 22:03:21,177 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-07-13 22:03:21,344 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-07-13 22:03:21,589 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-07-13 22:03:21,920 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-07-13 22:03:23,266 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-07-13 22:03:23,424 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-07-13 22:03:23,893 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-07-13 22:03:24,935 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-07-13 22:03:26,369 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-07-13 22:03:26,539 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-07-13 22:03:26,739 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-07-13 22:03:26,889 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-13 22:03:27,727 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-07-13 22:03:27,898 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-07-13 22:03:28,249 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-07-13 22:03:29,188 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-07-13 22:03:29,423 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-07-13 22:03:30,452 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-07-13 22:03:30,648 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-07-13 22:03:31,135 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-07-13 22:03:31,762 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-07-13 22:03:32,500 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-07-13 22:03:33,855 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-07-13 22:03:34,019 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-07-13 22:03:34,247 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-07-13 22:03:34,523 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-07-13 22:03:35,205 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-07-13 22:03:35,660 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-07-13 22:03:35,904 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-07-13 22:03:36,428 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-07-13 22:03:36,777 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-07-13 22:03:37,146 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-07-13 22:03:38,102 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-07-13 22:03:38,268 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-07-13 22:03:38,904 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-07-13 22:03:39,638 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-07-13 22:03:40,931 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-07-13 22:03:43,056 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-07-13 22:03:44,010 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-07-13 22:03:44,176 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-07-13 22:03:44,812 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-07-13 22:03:45,516 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-07-13 22:03:45,882 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-07-13 22:03:46,024 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-13 22:03:46,987 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-07-13 22:03:47,671 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2021-07-13 22:03:47,826 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-07-13 22:03:48,022 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-07-13 22:03:48,429 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-07-13 22:03:49,444 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-07-13 22:03:50,016 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-07-13 22:03:50,474 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-07-13 22:03:50,719 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-07-13 22:03:51,249 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-07-13 22:03:51,680 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-07-13 22:03:52,115 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-07-13 22:03:52,889 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-07-13 22:03:53,241 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-07-13 22:03:54,072 WARN L205 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-07-13 22:03:55,068 WARN L205 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-07-13 22:03:56,570 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-07-13 22:03:58,901 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-07-13 22:04:03,759 WARN L205 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-07-13 22:04:10,318 WARN L205 SmtUtils]: Spent 6.55 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-07-13 22:04:18,598 WARN L205 SmtUtils]: Spent 8.26 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-07-13 22:04:28,231 WARN L205 SmtUtils]: Spent 9.62 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-07-13 22:04:29,554 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-07-13 22:04:30,405 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-07-13 22:04:30,577 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-07-13 22:04:30,815 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-07-13 22:04:32,062 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-07-13 22:04:32,544 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-07-13 22:04:33,180 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-13 22:04:33,303 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-13 22:04:33,796 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-07-13 22:04:34,240 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-07-13 22:04:34,489 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-13 22:04:34,738 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-13 22:04:35,183 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-07-13 22:04:35,954 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-07-13 22:04:36,670 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-07-13 22:04:36,851 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-07-13 22:04:37,718 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-07-13 22:04:37,956 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-07-13 22:04:38,412 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-07-13 22:04:39,710 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-07-13 22:04:41,261 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-07-13 22:04:41,545 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-07-13 22:04:41,698 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-07-13 22:04:41,826 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-07-13 22:04:42,054 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-07-13 22:04:42,680 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-13 22:04:42,959 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-07-13 22:04:43,418 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-07-13 22:04:43,529 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-07-13 22:04:44,059 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-07-13 22:04:44,640 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-07-13 22:04:44,820 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-07-13 22:04:45,546 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-07-13 22:04:45,918 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-07-13 22:04:46,722 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-07-13 22:04:47,373 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-07-13 22:04:47,519 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-13 22:04:47,766 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-07-13 22:04:48,310 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-07-13 22:04:48,990 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-07-13 22:04:49,536 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-07-13 22:04:49,892 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-07-13 22:04:51,127 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-07-13 22:04:52,571 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-07-13 22:04:55,801 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-07-13 22:04:55,914 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-13 22:04:56,064 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-07-13 22:04:56,175 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-07-13 22:04:57,015 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-07-13 22:04:57,882 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-07-13 22:04:58,076 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-07-13 22:04:58,278 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-07-13 22:04:58,461 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-07-13 22:04:58,771 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-07-13 22:04:59,135 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-07-13 22:04:59,311 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-07-13 22:04:59,585 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-07-13 22:05:00,039 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-07-13 22:05:00,231 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-07-13 22:05:00,483 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-07-13 22:05:00,616 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-07-13 22:05:01,223 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-07-13 22:05:01,592 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-07-13 22:05:01,776 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-07-13 22:05:02,040 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-07-13 22:05:02,443 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-07-13 22:05:03,048 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-07-13 22:05:03,189 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-07-13 22:05:04,134 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-07-13 22:05:05,080 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-07-13 22:05:05,296 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-13 22:05:05,515 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-13 22:05:05,861 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-07-13 22:05:06,373 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-07-13 22:05:07,346 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-07-13 22:05:07,609 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-07-13 22:05:08,092 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-07-13 22:05:09,343 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-07-13 22:05:14,617 WARN L205 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-07-13 22:05:20,474 WARN L205 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-07-13 22:05:27,814 WARN L205 SmtUtils]: Spent 7.32 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-07-13 22:05:36,497 WARN L205 SmtUtils]: Spent 8.67 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-07-13 22:05:37,437 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-07-13 22:05:38,260 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-07-13 22:05:38,421 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-07-13 22:05:39,439 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-07-13 22:05:39,587 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-07-13 22:05:39,766 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-07-13 22:05:40,046 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-07-13 22:05:40,912 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-07-13 22:05:41,423 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-07-13 22:05:42,144 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-07-13 22:05:42,978 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-07-13 22:05:44,614 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-07-13 22:05:44,757 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-07-13 22:05:44,980 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-07-13 22:05:45,692 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-07-13 22:05:46,447 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-07-13 22:05:46,835 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-07-13 22:05:47,393 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-07-13 22:05:48,947 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-07-13 22:05:50,608 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-07-13 22:05:52,547 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-07-13 22:06:04,537 WARN L205 SmtUtils]: Spent 11.98 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-07-13 22:06:27,578 WARN L205 SmtUtils]: Spent 23.02 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-07-13 22:06:53,508 WARN L205 SmtUtils]: Spent 25.90 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-07-13 22:06:54,626 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-07-13 22:06:54,784 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-07-13 22:06:56,165 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-07-13 22:06:56,373 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-07-13 22:06:56,789 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-07-13 22:06:57,296 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-07-13 22:07:26,606 WARN L205 SmtUtils]: Spent 29.30 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-07-13 22:07:59,884 WARN L205 SmtUtils]: Spent 33.24 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-13 22:08:33,105 WARN L205 SmtUtils]: Spent 33.18 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-13 22:09:10,521 WARN L205 SmtUtils]: Spent 37.39 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-07-13 22:10:06,434 WARN L205 SmtUtils]: Spent 55.88 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-07-13 22:11:02,199 WARN L205 SmtUtils]: Spent 55.72 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-07-13 22:12:00,065 WARN L205 SmtUtils]: Spent 57.83 s on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-07-13 22:12:07,496 WARN L205 SmtUtils]: Spent 7.41 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-07-13 22:12:20,432 WARN L205 SmtUtils]: Spent 12.93 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-07-13 22:12:20,697 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-07-13 22:12:28,984 WARN L205 SmtUtils]: Spent 8.28 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-07-13 22:12:29,482 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-07-13 22:12:29,851 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-07-13 22:12:34,528 WARN L205 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-07-13 22:12:34,659 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-13 22:12:34,766 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-07-13 22:12:35,653 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 230 [2021-07-13 22:12:35,797 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-07-13 22:12:36,245 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-07-13 22:12:36,541 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-07-13 22:12:37,600 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-07-13 22:12:38,183 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-07-13 22:12:38,543 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-07-13 22:12:39,624 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-07-13 22:12:39,891 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-07-13 22:12:40,254 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-07-13 22:12:40,737 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-07-13 22:12:41,817 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-07-13 22:12:42,033 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-07-13 22:12:43,248 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-07-13 22:12:43,408 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-07-13 22:12:43,914 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-07-13 22:12:44,267 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-07-13 22:12:44,374 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-07-13 22:12:45,969 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-07-13 22:12:46,408 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-07-13 22:12:46,675 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-07-13 22:12:47,050 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-07-13 22:12:47,915 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-07-13 22:12:50,073 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-07-13 22:12:52,681 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-07-13 22:12:55,798 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-07-13 22:13:01,063 WARN L205 SmtUtils]: Spent 5.25 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-07-13 22:13:01,446 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-07-13 22:13:01,648 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-07-13 22:13:02,951 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-07-13 22:13:03,196 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-07-13 22:13:03,548 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-07-13 22:13:09,289 WARN L205 SmtUtils]: Spent 5.73 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-07-13 22:13:09,882 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-07-13 22:13:10,587 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-07-13 22:13:10,736 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-07-13 22:13:10,960 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-07-13 22:13:11,064 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-07-13 22:13:11,761 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-07-13 22:13:11,913 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-13 22:13:12,675 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-07-13 22:13:12,876 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-07-13 22:13:13,233 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-07-13 22:13:13,868 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-07-13 22:13:14,678 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-07-13 22:13:21,999 WARN L205 SmtUtils]: Spent 7.31 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-07-13 22:13:30,538 WARN L205 SmtUtils]: Spent 8.52 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-07-13 22:13:47,683 WARN L205 SmtUtils]: Spent 17.12 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-07-13 22:14:13,351 WARN L205 SmtUtils]: Spent 25.63 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-07-13 22:15:24,171 WARN L205 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-07-13 22:15:42,015 WARN L205 SmtUtils]: Spent 17.83 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-07-13 22:15:42,432 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-07-13 22:15:42,651 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-07-13 22:15:42,755 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 212 [2021-07-13 22:15:43,749 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-07-13 22:15:44,000 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-07-13 22:15:44,149 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-07-13 22:15:44,955 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-07-13 22:15:45,175 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-07-13 22:15:45,466 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-07-13 22:15:46,276 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-07-13 22:15:46,967 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 [2021-07-13 22:16:03,847 WARN L205 SmtUtils]: Spent 16.87 s on a formula simplification. DAG size of input: 1500 DAG size of output: 2098 [2021-07-13 22:16:10,950 WARN L205 SmtUtils]: Spent 7.09 s on a formula simplification. DAG size of input: 1251 DAG size of output: 1697 [2021-07-13 22:16:15,625 WARN L205 SmtUtils]: Spent 4.67 s on a formula simplification. DAG size of input: 1076 DAG size of output: 1519 [2021-07-13 22:16:15,905 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 1018 [2021-07-13 22:16:16,165 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 907 [2021-07-13 22:16:16,400 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 867 [2021-07-13 22:16:16,519 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2021-07-13 22:16:17,547 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 223 [2021-07-13 22:16:17,787 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 267 [2021-07-13 22:16:18,033 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 332 [2021-07-13 22:16:18,147 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 562 [2021-07-13 22:16:18,874 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 219 [2021-07-13 22:16:19,142 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 266 [2021-07-13 22:16:19,352 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 321 [2021-07-13 22:16:19,870 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 444 [2021-07-13 22:16:20,546 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 484 [2021-07-13 22:16:21,374 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 563 [2021-07-13 22:16:21,624 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 1043 [2021-07-13 22:16:21,854 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 927 [2021-07-13 22:16:23,153 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 262 [2021-07-13 22:16:23,334 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 298 [2021-07-13 22:16:23,576 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 342 [2021-07-13 22:16:24,894 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 247 [2021-07-13 22:16:25,074 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 281 [2021-07-13 22:16:25,349 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 352 [2021-07-13 22:16:25,918 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 494 [2021-07-13 22:16:26,649 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 574 [2021-07-13 22:16:27,590 WARN L205 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 659 [2021-07-13 22:16:29,515 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1647 DAG size of output: 921 [2021-07-13 22:16:29,821 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 913 [2021-07-13 22:16:30,192 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 851 [2021-07-13 22:16:30,327 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2021-07-13 22:16:30,885 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 441 [2021-07-13 22:16:31,508 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 265 [2021-07-13 22:16:32,181 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 212 [2021-07-13 22:16:32,404 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 228 [2021-07-13 22:16:32,645 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 285 [2021-07-13 22:16:32,965 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 336 [2021-07-13 22:16:33,404 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 408 [2021-07-13 22:16:33,553 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 564 [2021-07-13 22:16:33,922 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2021-07-13 22:16:35,099 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 234 [2021-07-13 22:16:35,299 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 269 [2021-07-13 22:16:35,531 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 301 [2021-07-13 22:16:35,826 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 360 [2021-07-13 22:16:36,248 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 438 [2021-07-13 22:16:37,241 WARN L205 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 593 [2021-07-13 22:16:38,427 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1129 DAG size of output: 652 [2021-07-13 22:16:42,023 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 2503 DAG size of output: 1315 Received shutdown request... [2021-07-13 22:16:47,883 WARN L205 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 3337 DAG size of output: 1964 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown