/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-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 19:54:00,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 19:54:00,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 19:54:00,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-09 19:54:00,486 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-None-NoLbe.epf [2021-07-09 19:54:00,517 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 19:54:00,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 19:54:00,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-09 19:54:00,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-09 19:54:00,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 19:54:00,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 19:54:00,520 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 19:54:00,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 19:54:00,520 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 19:54:00,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 19:54:00,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 19:54:00,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 19:54:00,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 19:54:00,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 19:54:00,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 19:54:00,522 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 19:54:00,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 19:54:00,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 19:54:00,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 19:54:00,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 19:54:00,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 19:54:00,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 19:54:00,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 19:54:00,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 19:54:00,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 19:54:00,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 19:54:00,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 19:54:00,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 19:54:00,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 19:54:00,523 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 19:54:00,523 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-09 19:54:00,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 19:54:00,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 19:54:00,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 19:54:00,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 19:54:00,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 19:54:00,767 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-09 19:54:00,767 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-09 19:54:00,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl [2021-07-09 19:54:00,768 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl' [2021-07-09 19:54:00,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 19:54:00,787 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-09 19:54:00,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 19:54:00,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 19:54:00,788 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 19:54:00,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:54:00" (1/1) ... [2021-07-09 19:54:00,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:54:00" (1/1) ... [2021-07-09 19:54:00,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 19:54:00,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 19:54:00,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 19:54:00,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 19:54:00,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:54:00" (1/1) ... [2021-07-09 19:54:00,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:54:00" (1/1) ... [2021-07-09 19:54:00,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:54:00" (1/1) ... [2021-07-09 19:54:00,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:54:00" (1/1) ... [2021-07-09 19:54:00,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:54:00" (1/1) ... [2021-07-09 19:54:00,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:54:00" (1/1) ... [2021-07-09 19:54:00,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:54:00" (1/1) ... [2021-07-09 19:54:00,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 19:54:00,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 19:54:00,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 19:54:00,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 19:54:00,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:54:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 19:54:00,868 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-09 19:54:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-09 19:54:00,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-09 19:54:00,869 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-09 19:54:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-09 19:54:00,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-09 19:54:00,869 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-09 19:54:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 19:54:00,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 19:54:00,870 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 19:54:01,019 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 19:54:01,019 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-09 19:54:01,020 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-09 19:54:01,021 INFO L202 PluginConnector]: Adding new model unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 07:54:01 BoogieIcfgContainer [2021-07-09 19:54:01,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 19:54:01,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 19:54:01,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 19:54:01,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 19:54:01,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:54:00" (1/2) ... [2021-07-09 19:54:01,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467eecc7 and model type unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 07:54:01, skipping insertion in model container [2021-07-09 19:54:01,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 07:54:01" (2/2) ... [2021-07-09 19:54:01,027 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.bpl [2021-07-09 19:54:01,030 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 19:54:01,030 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 19:54:01,030 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 19:54:01,031 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 19:54:01,061 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-09 19:54:01,076 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-09 19:54:01,149 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 19:54:01,150 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 19:54:01,150 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 19:54:01,150 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 19:54:01,150 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 19:54:01,150 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 19:54:01,150 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 19:54:01,150 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 19:54:01,158 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 16 transitions, 48 flow [2021-07-09 19:54:01,167 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 16 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:01,180 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:01,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:01,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1117752213, now seen corresponding path program 1 times [2021-07-09 19:54:01,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:01,196 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18116663] [2021-07-09 19:54:01,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:01,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:01,378 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:01,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18116663] [2021-07-09 19:54:01,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18116663] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 19:54:01,379 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 19:54:01,379 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-09 19:54:01,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166885261] [2021-07-09 19:54:01,382 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 19:54:01,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:01,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 19:54:01,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-09 19:54:01,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:01,391 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:01,391 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:01,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:01,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:01,412 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 19:54:01,412 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:01,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:01,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1312180789, now seen corresponding path program 1 times [2021-07-09 19:54:01,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:01,413 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553634699] [2021-07-09 19:54:01,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:01,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:01,446 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:01,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553634699] [2021-07-09 19:54:01,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553634699] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:01,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105293389] [2021-07-09 19:54:01,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:01,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 19:54:01,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:01,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-09 19:54:01,628 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:01,629 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:01,633 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:01,633 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-09 19:54:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:01,647 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105293389] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:01,647 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:01,648 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-09 19:54:01,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636168951] [2021-07-09 19:54:01,649 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 19:54:01,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:01,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 19:54:01,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-09 19:54:01,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:01,650 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:01,651 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:01,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:01,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:01,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:01,904 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:01,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:01,904 INFO L82 PathProgramCache]: Analyzing trace with hash -669307477, now seen corresponding path program 2 times [2021-07-09 19:54:01,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:01,905 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539763700] [2021-07-09 19:54:01,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:01,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:01,947 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:01,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539763700] [2021-07-09 19:54:01,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539763700] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:01,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961754128] [2021-07-09 19:54:01,948 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:01,980 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 19:54:01,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:01,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-09 19:54:01,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:02,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:02,032 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961754128] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:02,032 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:02,032 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-09 19:54:02,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260824565] [2021-07-09 19:54:02,032 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 19:54:02,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:02,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 19:54:02,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-09 19:54:02,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:02,033 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:02,033 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:02,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:02,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:02,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:02,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:02,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:02,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:02,280 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:02,281 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:02,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:02,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1551916118, now seen corresponding path program 1 times [2021-07-09 19:54:02,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:02,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877031235] [2021-07-09 19:54:02,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:02,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:02,348 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:02,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877031235] [2021-07-09 19:54:02,348 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877031235] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:02,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119597603] [2021-07-09 19:54:02,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:02,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-09 19:54:02,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:02,531 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:02,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-09 19:54:02,534 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:02,536 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:02,536 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:02,536 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-09 19:54:02,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:02,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119597603] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:02,575 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:02,575 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-09 19:54:02,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272072978] [2021-07-09 19:54:02,575 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 19:54:02,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:02,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 19:54:02,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-07-09 19:54:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:02,576 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:02,576 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:02,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:02,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:02,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:02,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:02,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:02,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:02,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:02,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:02,900 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:02,901 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:02,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:02,901 INFO L82 PathProgramCache]: Analyzing trace with hash 12204620, now seen corresponding path program 2 times [2021-07-09 19:54:02,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:02,902 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384947843] [2021-07-09 19:54:02,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:02,967 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:02,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:02,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384947843] [2021-07-09 19:54:02,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384947843] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:02,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24976784] [2021-07-09 19:54:02,968 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:02,992 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 19:54:02,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:02,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-09 19:54:02,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:03,102 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:03,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-09 19:54:03,113 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:03,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:03,114 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:03,114 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-09 19:54:03,120 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:03,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24976784] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:03,120 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:03,120 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-09 19:54:03,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120612672] [2021-07-09 19:54:03,121 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 19:54:03,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:03,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 19:54:03,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-09 19:54:03,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:03,126 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:03,126 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:03,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:03,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:03,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:03,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:03,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:03,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:03,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:03,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:03,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:03,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:03,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:03,477 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:03,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:03,477 INFO L82 PathProgramCache]: Analyzing trace with hash -474211562, now seen corresponding path program 3 times [2021-07-09 19:54:03,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:03,478 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012863626] [2021-07-09 19:54:03,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:03,514 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:03,514 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:03,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012863626] [2021-07-09 19:54:03,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012863626] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:03,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748705686] [2021-07-09 19:54:03,515 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:03,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-09 19:54:03,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:03,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 19:54:03,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:03,594 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:03,595 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748705686] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:03,595 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:03,595 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-09 19:54:03,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810251628] [2021-07-09 19:54:03,595 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-09 19:54:03,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:03,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-09 19:54:03,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-09 19:54:03,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:03,596 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:03,596 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:03,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:03,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:03,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:03,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:03,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:03,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:03,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:03,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:03,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:03,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:03,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:03,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:03,881 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:03,881 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:03,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:03,882 INFO L82 PathProgramCache]: Analyzing trace with hash -990045109, now seen corresponding path program 4 times [2021-07-09 19:54:03,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:03,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270050157] [2021-07-09 19:54:03,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:04,110 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:04,111 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:04,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270050157] [2021-07-09 19:54:04,111 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270050157] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:04,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071548387] [2021-07-09 19:54:04,111 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:04,140 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 19:54:04,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:04,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-09 19:54:04,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:04,384 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:04,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-09 19:54:04,456 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:04,457 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:04,457 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:04,457 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-09 19:54:04,462 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:04,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071548387] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:04,462 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:04,462 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-09 19:54:04,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419613693] [2021-07-09 19:54:04,463 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 19:54:04,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:04,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 19:54:04,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-07-09 19:54:04,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:04,463 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:04,464 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:04,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:04,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:04,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:04,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:04,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:04,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:04,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:04,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-09 19:54:04,837 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:04,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:04,837 INFO L82 PathProgramCache]: Analyzing trace with hash -284560747, now seen corresponding path program 5 times [2021-07-09 19:54:04,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:04,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981992054] [2021-07-09 19:54:04,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:04,929 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:04,930 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:04,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981992054] [2021-07-09 19:54:04,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981992054] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:04,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080928497] [2021-07-09 19:54:04,930 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:04,955 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-09 19:54:04,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:04,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-09 19:54:04,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:05,195 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:05,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-09 19:54:05,294 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:05,295 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:05,296 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:05,296 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-09 19:54:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:05,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080928497] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:05,301 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:05,301 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-09 19:54:05,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252364516] [2021-07-09 19:54:05,301 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 19:54:05,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:05,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 19:54:05,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-07-09 19:54:05,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:05,302 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:05,302 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:05,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:05,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:05,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:05,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:05,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:05,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:05,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:05,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:05,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:05,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:05,721 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-07-09 19:54:05,721 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:05,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:05,722 INFO L82 PathProgramCache]: Analyzing trace with hash 110617995, now seen corresponding path program 6 times [2021-07-09 19:54:05,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:05,722 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451874407] [2021-07-09 19:54:05,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:05,796 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:05,797 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:05,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451874407] [2021-07-09 19:54:05,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451874407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:05,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942242045] [2021-07-09 19:54:05,798 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:05,825 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-09 19:54:05,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:05,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-09 19:54:05,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:05,869 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:05,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942242045] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:05,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:05,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-07-09 19:54:05,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120373700] [2021-07-09 19:54:05,870 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-09 19:54:05,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:05,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-09 19:54:05,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-07-09 19:54:05,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:05,870 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:05,870 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:05,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:05,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:05,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:05,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:05,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:05,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:05,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:05,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:05,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:05,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:05,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:05,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:05,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:05,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:05,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:05,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:05,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:05,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:06,169 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-09 19:54:06,169 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:06,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:06,170 INFO L82 PathProgramCache]: Analyzing trace with hash -40198026, now seen corresponding path program 7 times [2021-07-09 19:54:06,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:06,170 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024540904] [2021-07-09 19:54:06,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:06,287 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:06,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:06,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024540904] [2021-07-09 19:54:06,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024540904] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:06,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550735924] [2021-07-09 19:54:06,287 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:06,313 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-09 19:54:06,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:06,639 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:06,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-09 19:54:06,885 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:06,886 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:06,887 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:06,887 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-09 19:54:06,893 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:06,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550735924] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:06,893 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:06,893 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-09 19:54:06,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249349079] [2021-07-09 19:54:06,894 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 19:54:06,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:06,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 19:54:06,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-09 19:54:06,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:06,895 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:06,895 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:06,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:06,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:06,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:06,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:06,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:06,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:06,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:06,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:06,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:06,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:07,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:07,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:07,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:07,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:07,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:07,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:07,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:07,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:07,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:07,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:54:07,386 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-09 19:54:07,387 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:07,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:07,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1769450988, now seen corresponding path program 8 times [2021-07-09 19:54:07,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:07,387 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053333369] [2021-07-09 19:54:07,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:07,522 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:07,523 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:07,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053333369] [2021-07-09 19:54:07,523 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053333369] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:07,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482308583] [2021-07-09 19:54:07,523 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:07,557 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 19:54:07,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:07,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-09 19:54:07,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:07,877 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:07,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-07-09 19:54:08,395 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:08,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:08,397 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:08,397 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-09 19:54:08,403 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:08,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482308583] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:08,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:08,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-09 19:54:08,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812327290] [2021-07-09 19:54:08,404 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 19:54:08,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:08,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 19:54:08,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-07-09 19:54:08,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:08,405 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:08,405 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.4) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:08,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:08,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:08,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:08,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:08,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:08,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:08,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:08,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:08,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:08,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:54:08,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:08,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:08,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:08,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:08,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:08,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:08,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:08,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:08,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:08,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:08,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:54:08,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:08,983 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-07-09 19:54:08,984 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:08,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:08,984 INFO L82 PathProgramCache]: Analyzing trace with hash 2033995574, now seen corresponding path program 9 times [2021-07-09 19:54:08,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:08,984 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141528168] [2021-07-09 19:54:08,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:09,063 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:09,064 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:09,064 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141528168] [2021-07-09 19:54:09,064 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141528168] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:09,064 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417785617] [2021-07-09 19:54:09,064 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:09,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-09 19:54:09,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:09,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 19:54:09,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:09,137 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:09,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417785617] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:09,137 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:09,137 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-09 19:54:09,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935613534] [2021-07-09 19:54:09,138 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 19:54:09,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:09,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 19:54:09,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-07-09 19:54:09,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:09,138 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:09,138 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:09,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:09,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:09,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:09,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:09,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:09,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:09,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:09,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:09,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:09,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:54:09,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:09,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:09,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:54:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:09,479 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:09,480 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:09,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:09,480 INFO L82 PathProgramCache]: Analyzing trace with hash -545035221, now seen corresponding path program 10 times [2021-07-09 19:54:09,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:09,480 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111483747] [2021-07-09 19:54:09,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:09,669 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:09,669 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:09,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111483747] [2021-07-09 19:54:09,669 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111483747] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:09,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267796359] [2021-07-09 19:54:09,669 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:09,695 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 19:54:09,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:09,696 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-09 19:54:09,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:10,185 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-09 19:54:10,187 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:10,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-09 19:54:11,820 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:11,821 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:11,822 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:11,822 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-09 19:54:11,826 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:11,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267796359] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:11,827 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:11,827 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-09 19:54:11,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496503650] [2021-07-09 19:54:11,827 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-09 19:54:11,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:11,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-09 19:54:11,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-07-09 19:54:11,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:11,828 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:11,828 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:11,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:11,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:11,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:11,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:11,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:11,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:11,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:11,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:11,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:11,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:54:11,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:11,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:11,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:12,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:12,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:12,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:12,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:12,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:12,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:12,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:12,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:12,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:12,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:54:12,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:12,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:12,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:54:12,459 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-07-09 19:54:12,460 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:12,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:12,460 INFO L82 PathProgramCache]: Analyzing trace with hash 279241461, now seen corresponding path program 11 times [2021-07-09 19:54:12,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:12,460 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072365141] [2021-07-09 19:54:12,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:12,625 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:12,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072365141] [2021-07-09 19:54:12,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072365141] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:12,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065790571] [2021-07-09 19:54:12,625 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:12,656 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-09 19:54:12,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:12,657 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-09 19:54:12,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:13,186 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-09 19:54:13,187 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:13,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-09 19:54:14,193 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-07-09 19:54:15,004 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-07-09 19:54:15,149 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-07-09 19:54:15,435 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-09 19:54:15,717 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-09 19:54:16,041 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-07-09 19:54:16,432 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-07-09 19:54:17,110 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-09 19:54:17,239 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-09 19:54:17,422 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-07-09 19:54:18,389 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:18,390 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:18,391 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:18,391 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-09 19:54:18,396 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:18,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065790571] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:18,396 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:18,396 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-09 19:54:18,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922895499] [2021-07-09 19:54:18,397 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-09 19:54:18,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:18,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-09 19:54:18,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-07-09 19:54:18,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:18,398 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:18,398 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:18,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:18,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:54:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:54:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 19:54:19,108 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable440,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:19,109 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:19,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:19,109 INFO L82 PathProgramCache]: Analyzing trace with hash 62014827, now seen corresponding path program 12 times [2021-07-09 19:54:19,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:19,109 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214355351] [2021-07-09 19:54:19,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:19,220 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:19,220 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214355351] [2021-07-09 19:54:19,220 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214355351] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:19,220 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143131249] [2021-07-09 19:54:19,220 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:19,249 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-09 19:54:19,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:19,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-09 19:54:19,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:19,312 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:19,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143131249] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:19,313 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:19,313 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-09 19:54:19,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013925628] [2021-07-09 19:54:19,313 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 19:54:19,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:19,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 19:54:19,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-09 19:54:19,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:19,314 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:19,316 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:19,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:19,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:19,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:19,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:19,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:19,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:19,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:19,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:19,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:19,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:54:19,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:19,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:19,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:54:19,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-09 19:54:19,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:54:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:54:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 19:54:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:54:19,732 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable900,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:19,733 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:19,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:19,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1546896234, now seen corresponding path program 13 times [2021-07-09 19:54:19,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:19,733 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707796983] [2021-07-09 19:54:19,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:19,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:19,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707796983] [2021-07-09 19:54:19,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707796983] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:19,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306796672] [2021-07-09 19:54:19,968 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:19,997 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-09 19:54:20,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:20,675 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-09 19:54:20,675 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:20,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-09 19:54:21,622 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-07-09 19:54:21,799 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-09 19:54:21,984 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-09 19:54:22,183 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-09 19:54:22,559 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-07-09 19:54:22,768 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-07-09 19:54:23,012 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-07-09 19:54:23,209 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-07-09 19:54:23,663 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-07-09 19:54:24,444 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-07-09 19:54:24,680 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-07-09 19:54:24,801 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-07-09 19:54:25,940 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-07-09 19:54:26,387 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-07-09 19:54:26,581 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-07-09 19:54:27,426 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-07-09 19:54:27,922 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-07-09 19:54:28,367 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-07-09 19:54:28,631 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-07-09 19:54:29,391 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-09 19:54:30,148 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-09 19:54:30,994 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-07-09 19:54:31,986 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-07-09 19:54:32,161 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-07-09 19:54:32,957 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-07-09 19:54:33,293 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-07-09 19:54:33,719 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-07-09 19:54:34,198 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-09 19:54:34,670 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-09 19:54:35,208 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-07-09 19:54:35,762 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-07-09 19:54:36,003 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-07-09 19:54:36,203 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-07-09 19:54:36,409 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-07-09 19:54:37,131 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-07-09 19:54:37,726 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-07-09 19:54:38,000 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-07-09 19:54:38,736 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-07-09 19:54:39,193 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-07-09 19:54:39,697 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-07-09 19:54:40,714 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-07-09 19:54:41,533 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-07-09 19:54:42,600 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-07-09 19:54:43,622 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-09 19:54:44,646 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-09 19:54:45,758 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-07-09 19:54:45,925 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-07-09 19:54:46,273 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-07-09 19:54:47,017 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 210 [2021-07-09 19:54:47,362 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-07-09 19:54:47,535 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-09 19:54:47,705 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-09 19:54:47,873 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-07-09 19:54:48,099 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-07-09 19:54:48,542 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:48,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:48,543 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:48,543 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-09 19:54:48,548 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:48,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306796672] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:48,548 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:48,548 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-07-09 19:54:48,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578934974] [2021-07-09 19:54:48,549 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-09 19:54:48,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:48,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-09 19:54:48,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1241, Unknown=0, NotChecked=0, Total=1332 [2021-07-09 19:54:48,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:48,550 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:48,550 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 36 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:54:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:54:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-09 19:54:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:54:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 19:54:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:54:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:54:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:54:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:54:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 19:54:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:54:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:54:49,426 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable901,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:49,427 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:49,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:49,427 INFO L82 PathProgramCache]: Analyzing trace with hash 151705996, now seen corresponding path program 14 times [2021-07-09 19:54:49,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:49,427 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693218297] [2021-07-09 19:54:49,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:49,640 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:49,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693218297] [2021-07-09 19:54:49,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693218297] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:49,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317052970] [2021-07-09 19:54:49,640 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:49,667 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 19:54:49,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:49,668 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-09 19:54:49,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:50,427 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-09 19:54:50,427 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:50,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-07-09 19:54:51,622 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-07-09 19:54:51,780 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-07-09 19:54:51,984 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-07-09 19:54:53,253 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-07-09 19:54:53,446 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-07-09 19:54:53,680 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-07-09 19:54:54,200 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-07-09 19:54:54,738 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-07-09 19:54:55,378 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-07-09 19:54:56,117 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-07-09 19:54:56,974 WARN L205 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-09 19:54:57,820 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-09 19:54:58,826 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-07-09 19:55:01,040 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-07-09 19:55:02,678 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-07-09 19:55:03,694 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-07-09 19:55:05,209 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-07-09 19:55:06,022 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-07-09 19:55:06,343 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-07-09 19:55:07,245 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-07-09 19:55:07,353 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-07-09 19:55:07,492 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-09 19:55:08,489 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-07-09 19:55:08,673 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-07-09 19:55:08,864 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-07-09 19:55:09,695 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-07-09 19:55:10,013 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-07-09 19:55:10,409 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-07-09 19:55:11,513 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-07-09 19:55:11,674 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-07-09 19:55:12,179 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-07-09 19:55:12,658 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-07-09 19:55:12,816 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-07-09 19:55:13,041 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-07-09 19:55:13,198 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-07-09 19:55:13,810 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-07-09 19:55:14,085 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-07-09 19:55:14,210 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-07-09 19:55:14,364 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-07-09 19:55:14,526 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-07-09 19:55:15,095 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-07-09 19:55:15,717 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-07-09 19:55:15,884 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-07-09 19:55:16,113 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-07-09 19:55:16,436 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-07-09 19:55:17,735 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-07-09 19:55:17,886 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-07-09 19:55:18,342 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-07-09 19:55:19,369 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-07-09 19:55:20,787 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-07-09 19:55:20,956 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-07-09 19:55:21,154 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-07-09 19:55:21,301 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-09 19:55:22,100 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-07-09 19:55:22,266 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-07-09 19:55:22,611 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-07-09 19:55:23,529 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-07-09 19:55:23,766 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-07-09 19:55:24,797 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-07-09 19:55:25,000 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-07-09 19:55:25,477 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-07-09 19:55:26,094 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-07-09 19:55:26,813 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-07-09 19:55:28,142 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-07-09 19:55:28,301 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-07-09 19:55:28,531 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-07-09 19:55:28,806 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-07-09 19:55:29,484 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-07-09 19:55:29,931 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-07-09 19:55:30,172 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-07-09 19:55:31,031 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-07-09 19:55:31,393 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-07-09 19:55:32,309 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-07-09 19:55:32,472 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-07-09 19:55:33,097 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-07-09 19:55:33,838 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-07-09 19:55:35,102 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-07-09 19:55:37,185 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-07-09 19:55:38,129 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-07-09 19:55:38,291 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-07-09 19:55:38,927 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-07-09 19:55:39,634 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-07-09 19:55:39,994 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-07-09 19:55:40,134 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-09 19:55:41,087 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-07-09 19:55:41,911 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-07-09 19:55:42,103 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-07-09 19:55:42,510 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-07-09 19:55:43,505 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-07-09 19:55:44,084 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-07-09 19:55:44,538 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-07-09 19:55:44,778 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-07-09 19:55:45,308 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-07-09 19:55:45,735 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-07-09 19:55:46,166 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-07-09 19:55:46,951 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-07-09 19:55:47,285 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-07-09 19:55:48,096 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-07-09 19:55:49,106 WARN L205 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-07-09 19:55:50,600 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-07-09 19:55:52,930 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-07-09 19:55:57,771 WARN L205 SmtUtils]: Spent 4.83 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-07-09 19:56:04,281 WARN L205 SmtUtils]: Spent 6.50 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-07-09 19:56:12,390 WARN L205 SmtUtils]: Spent 8.09 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-07-09 19:56:21,894 WARN L205 SmtUtils]: Spent 9.49 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-07-09 19:56:23,162 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-07-09 19:56:23,998 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-07-09 19:56:24,169 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-07-09 19:56:24,400 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-07-09 19:56:24,503 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-09 19:56:25,627 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-07-09 19:56:26,111 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-07-09 19:56:26,739 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-09 19:56:26,866 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-09 19:56:27,783 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-07-09 19:56:28,032 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-09 19:56:28,275 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-09 19:56:28,722 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-07-09 19:56:29,474 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-07-09 19:56:30,183 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-07-09 19:56:30,370 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-07-09 19:56:31,234 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-07-09 19:56:31,475 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-07-09 19:56:31,922 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-07-09 19:56:33,201 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-07-09 19:56:34,748 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-07-09 19:56:35,024 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-07-09 19:56:35,178 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-07-09 19:56:35,304 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-07-09 19:56:35,529 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-07-09 19:56:36,160 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-09 19:56:36,449 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-07-09 19:56:36,915 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-07-09 19:56:37,023 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-07-09 19:56:37,559 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-07-09 19:56:38,131 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-07-09 19:56:38,329 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-07-09 19:56:39,054 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-07-09 19:56:39,427 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-07-09 19:56:40,225 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-07-09 19:56:40,879 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-07-09 19:56:41,026 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-09 19:56:41,273 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-07-09 19:56:42,497 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-07-09 19:56:43,038 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-07-09 19:56:43,391 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-07-09 19:56:44,616 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-07-09 19:56:46,055 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-07-09 19:56:49,261 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-07-09 19:56:49,375 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-09 19:56:49,522 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-07-09 19:56:49,632 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-07-09 19:56:50,479 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-07-09 19:56:51,356 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-07-09 19:56:51,549 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-07-09 19:56:51,752 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-07-09 19:56:51,930 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-07-09 19:56:52,240 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-07-09 19:56:52,595 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-07-09 19:56:52,766 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-07-09 19:56:53,037 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-07-09 19:56:53,488 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-07-09 19:56:53,671 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-07-09 19:56:53,921 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-07-09 19:56:54,063 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-07-09 19:56:54,669 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-07-09 19:56:55,040 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-07-09 19:56:55,227 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-07-09 19:56:55,495 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-07-09 19:56:55,899 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-07-09 19:56:56,501 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-07-09 19:56:56,643 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-07-09 19:56:57,562 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-07-09 19:56:58,511 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-07-09 19:56:58,724 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-09 19:56:58,937 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-09 19:56:59,282 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-07-09 19:56:59,773 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-07-09 19:57:00,729 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-07-09 19:57:00,975 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-07-09 19:57:01,460 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-07-09 19:57:02,667 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-07-09 19:57:07,834 WARN L205 SmtUtils]: Spent 5.16 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-07-09 19:57:13,668 WARN L205 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-07-09 19:57:20,909 WARN L205 SmtUtils]: Spent 7.23 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-07-09 19:57:29,524 WARN L205 SmtUtils]: Spent 8.60 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-07-09 19:57:30,463 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-07-09 19:57:31,290 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-07-09 19:57:31,452 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-07-09 19:57:32,455 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-07-09 19:57:32,609 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-07-09 19:57:32,784 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-07-09 19:57:33,066 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-07-09 19:57:33,946 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-07-09 19:57:34,458 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-07-09 19:57:35,179 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-07-09 19:57:36,010 WARN L205 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-07-09 19:57:37,638 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-07-09 19:57:37,786 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-07-09 19:57:38,005 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-07-09 19:57:38,715 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-07-09 19:57:39,465 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-07-09 19:57:39,845 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-07-09 19:57:40,394 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-07-09 19:57:41,939 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-07-09 19:57:43,602 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-07-09 19:57:45,492 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-07-09 19:57:57,350 WARN L205 SmtUtils]: Spent 11.85 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-07-09 19:58:20,213 WARN L205 SmtUtils]: Spent 22.84 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-07-09 19:58:46,230 WARN L205 SmtUtils]: Spent 25.98 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-07-09 19:58:47,345 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-07-09 19:58:47,504 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-07-09 19:58:48,880 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-07-09 19:58:49,090 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-07-09 19:58:49,504 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-07-09 19:58:50,003 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-07-09 19:59:19,201 WARN L205 SmtUtils]: Spent 29.18 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-07-09 19:59:52,559 WARN L205 SmtUtils]: Spent 33.32 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-09 20:00:26,386 WARN L205 SmtUtils]: Spent 33.79 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-09 20:01:04,046 WARN L205 SmtUtils]: Spent 37.63 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-07-09 20:02:00,845 WARN L205 SmtUtils]: Spent 56.76 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-07-09 20:02:57,162 WARN L205 SmtUtils]: Spent 56.28 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-07-09 20:03:55,480 WARN L205 SmtUtils]: Spent 58.28 s on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-07-09 20:04:02,934 WARN L205 SmtUtils]: Spent 7.44 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-07-09 20:04:15,842 WARN L205 SmtUtils]: Spent 12.90 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-07-09 20:04:16,109 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-07-09 20:04:24,495 WARN L205 SmtUtils]: Spent 8.38 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-07-09 20:04:24,999 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-07-09 20:04:25,370 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-07-09 20:04:30,043 WARN L205 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-07-09 20:04:30,161 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-09 20:04:30,268 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-07-09 20:04:31,193 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 230 [2021-07-09 20:04:31,336 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-07-09 20:04:31,786 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-07-09 20:04:32,079 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-07-09 20:04:33,143 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-07-09 20:04:33,359 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 208 [2021-07-09 20:04:33,734 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-07-09 20:04:34,089 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-07-09 20:04:35,146 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-07-09 20:04:35,404 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-07-09 20:04:35,786 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-07-09 20:04:36,274 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-07-09 20:04:37,372 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-07-09 20:04:37,582 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-07-09 20:04:38,816 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-07-09 20:04:38,988 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-07-09 20:04:39,481 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-07-09 20:04:39,837 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-07-09 20:04:41,554 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-07-09 20:04:41,998 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-07-09 20:04:42,262 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-07-09 20:04:42,643 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-07-09 20:04:43,510 WARN L205 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-07-09 20:04:45,632 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-07-09 20:04:48,203 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-07-09 20:04:51,280 WARN L205 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-07-09 20:04:56,494 WARN L205 SmtUtils]: Spent 5.20 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-07-09 20:04:56,872 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-07-09 20:04:57,074 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-07-09 20:04:58,387 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-07-09 20:04:58,624 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-07-09 20:04:58,976 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-07-09 20:05:04,761 WARN L205 SmtUtils]: Spent 5.78 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-07-09 20:05:05,363 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-07-09 20:05:06,070 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-07-09 20:05:06,229 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-07-09 20:05:06,446 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-07-09 20:05:06,550 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-07-09 20:05:07,255 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-07-09 20:05:07,407 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-09 20:05:08,045 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 241 [2021-07-09 20:05:08,197 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-07-09 20:05:08,394 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-07-09 20:05:08,758 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-07-09 20:05:09,393 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-07-09 20:05:10,208 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-07-09 20:05:17,559 WARN L205 SmtUtils]: Spent 7.34 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-07-09 20:05:26,130 WARN L205 SmtUtils]: Spent 8.55 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-07-09 20:05:43,641 WARN L205 SmtUtils]: Spent 17.48 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-07-09 20:06:09,599 WARN L205 SmtUtils]: Spent 25.91 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-07-09 20:07:21,268 WARN L205 SmtUtils]: Spent 1.19 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-07-09 20:07:39,376 WARN L205 SmtUtils]: Spent 18.08 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-07-09 20:07:39,791 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-07-09 20:07:40,019 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-07-09 20:07:40,122 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 212 [2021-07-09 20:07:41,159 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-07-09 20:07:41,404 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-07-09 20:07:41,552 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-07-09 20:07:42,361 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-07-09 20:07:42,584 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-07-09 20:07:42,876 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-07-09 20:07:43,687 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-07-09 20:07:44,395 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 [2021-07-09 20:08:01,580 WARN L205 SmtUtils]: Spent 17.17 s on a formula simplification. DAG size of input: 1500 DAG size of output: 2098 [2021-07-09 20:08:08,838 WARN L205 SmtUtils]: Spent 7.24 s on a formula simplification. DAG size of input: 1251 DAG size of output: 1697 [2021-07-09 20:08:13,632 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 1076 DAG size of output: 1519 [2021-07-09 20:08:13,925 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 1018 [2021-07-09 20:08:14,180 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 907 [2021-07-09 20:08:14,424 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 867 [2021-07-09 20:08:14,540 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2021-07-09 20:08:15,582 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 223 [2021-07-09 20:08:15,818 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 267 [2021-07-09 20:08:16,070 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 332 [2021-07-09 20:08:16,184 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 562 [2021-07-09 20:08:16,908 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 219 [2021-07-09 20:08:17,180 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 266 [2021-07-09 20:08:17,392 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 321 [2021-07-09 20:08:17,917 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 444 [2021-07-09 20:08:18,620 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 484 [2021-07-09 20:08:19,454 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 563 [2021-07-09 20:08:19,720 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 1043 [2021-07-09 20:08:19,949 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 927 [2021-07-09 20:08:20,319 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 880 [2021-07-09 20:08:21,340 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 262 [2021-07-09 20:08:21,525 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 298 [2021-07-09 20:08:21,768 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 342 [2021-07-09 20:08:21,876 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 605 [2021-07-09 20:08:23,121 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 247 [2021-07-09 20:08:23,306 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 281 [2021-07-09 20:08:23,589 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 352 [2021-07-09 20:08:24,173 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 494 [2021-07-09 20:08:24,911 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 574 [2021-07-09 20:08:25,864 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 659 [2021-07-09 20:08:27,828 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 1647 DAG size of output: 921 [2021-07-09 20:08:28,143 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 913 [2021-07-09 20:08:28,525 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 851 [2021-07-09 20:08:28,666 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2021-07-09 20:08:29,247 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 441 [2021-07-09 20:08:29,890 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 265 [2021-07-09 20:08:30,570 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 212 [2021-07-09 20:08:30,777 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 228 [2021-07-09 20:08:31,031 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 285 [2021-07-09 20:08:31,352 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 336 [2021-07-09 20:08:31,799 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 408 [2021-07-09 20:08:31,941 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 564 [2021-07-09 20:08:32,322 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2021-07-09 20:08:32,542 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 420 [2021-07-09 20:08:33,507 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 234 [2021-07-09 20:08:33,728 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 269 [2021-07-09 20:08:33,952 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 301 [2021-07-09 20:08:34,254 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 360 [2021-07-09 20:08:34,674 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 438 [2021-07-09 20:08:35,661 WARN L205 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 593 [2021-07-09 20:08:36,842 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1129 DAG size of output: 652 Received shutdown request... [2021-07-09 20:08:40,474 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 2503 DAG size of output: 1315 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown