/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 03:25:56,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 03:25:56,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 03:25:56,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 03:25:56,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-07-14 03:25:56,285 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 03:25:56,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 03:25:56,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 03:25:56,285 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 03:25:56,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 03:25:56,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 03:25:56,286 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 03:25:56,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 03:25:56,286 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 03:25:56,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 03:25:56,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 03:25:56,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 03:25:56,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 03:25:56,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 03:25:56,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 03:25:56,287 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 03:25:56,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 03:25:56,287 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 03:25:56,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 03:25:56,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 03:25:56,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 03:25:56,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 03:25:56,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 03:25:56,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 03:25:56,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 03:25:56,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 03:25:56,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 03:25:56,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 03:25:56,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 03:25:56,288 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 03:25:56,289 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 03:25:56,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 03:25:56,289 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 03:25:56,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 03:25:56,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 03:25:56,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 03:25:56,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 03:25:56,506 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 03:25:56,507 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 03:25:56,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl [2021-07-14 03:25:56,507 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl' [2021-07-14 03:25:56,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 03:25:56,524 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 03:25:56,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 03:25:56,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 03:25:56,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 03:25:56,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:25:56" (1/1) ... [2021-07-14 03:25:56,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:25:56" (1/1) ... [2021-07-14 03:25:56,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 03:25:56,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 03:25:56,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 03:25:56,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 03:25:56,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:25:56" (1/1) ... [2021-07-14 03:25:56,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:25:56" (1/1) ... [2021-07-14 03:25:56,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:25:56" (1/1) ... [2021-07-14 03:25:56,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:25:56" (1/1) ... [2021-07-14 03:25:56,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:25:56" (1/1) ... [2021-07-14 03:25:56,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:25:56" (1/1) ... [2021-07-14 03:25:56,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:25:56" (1/1) ... [2021-07-14 03:25:56,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 03:25:56,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 03:25:56,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 03:25:56,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 03:25:56,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:25:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 03:25:56,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 03:25:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 03:25:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 03:25:56,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 03:25:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 03:25:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 03:25:56,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 03:25:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 03:25:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 03:25:56,634 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 03:25:56,846 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 03:25:56,846 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 03:25:56,846 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 03:25:56,847 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 03:25:56,848 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:25:56 BoogieIcfgContainer [2021-07-14 03:25:56,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 03:25:56,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 03:25:56,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 03:25:56,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 03:25:56,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:25:56" (1/2) ... [2021-07-14 03:25:56,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f190de and model type unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:25:56, skipping insertion in model container [2021-07-14 03:25:56,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:25:56" (2/2) ... [2021-07-14 03:25:56,853 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.bpl [2021-07-14 03:25:56,866 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 03:25:56,866 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 03:25:56,866 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 03:25:56,867 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 03:25:56,886 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 03:25:56,900 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 03:25:56,949 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 03:25:56,950 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 03:25:56,950 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 03:25:56,950 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 03:25:56,950 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 03:25:56,950 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 03:25:56,950 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 03:25:56,950 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 03:25:56,970 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:25:56,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:25:56,973 INFO L82 PathProgramCache]: Analyzing trace with hash -836581838, now seen corresponding path program 1 times [2021-07-14 03:25:56,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:25:56,979 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001406817] [2021-07-14 03:25:56,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:25:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:25:57,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:25:57,070 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:25:57,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001406817] [2021-07-14 03:25:57,070 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001406817] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 03:25:57,071 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 03:25:57,071 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 03:25:57,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027315380] [2021-07-14 03:25:57,074 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 03:25:57,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:25:57,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 03:25:57,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 03:25:57,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:25:57,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:25:57,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:25:57,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:25:57,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:25:57,097 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 03:25:57,097 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:25:57,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:25:57,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1085923484, now seen corresponding path program 1 times [2021-07-14 03:25:57,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:25:57,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814984630] [2021-07-14 03:25:57,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:25:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:25:57,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:25:57,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:25:57,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814984630] [2021-07-14 03:25:57,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814984630] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:25:57,129 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464725783] [2021-07-14 03:25:57,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:25:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:25:57,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 03:25:57,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:25:57,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:25:57,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464725783] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:25:57,257 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:25:57,257 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-14 03:25:57,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487975504] [2021-07-14 03:25:57,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 03:25:57,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:25:57,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 03:25:57,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 03:25:57,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:25:57,265 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:25:57,266 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:25:57,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:25:57,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:25:57,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:25:57,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:57,513 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:25:57,514 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:25:57,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:25:57,515 INFO L82 PathProgramCache]: Analyzing trace with hash 719182065, now seen corresponding path program 1 times [2021-07-14 03:25:57,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:25:57,515 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611847660] [2021-07-14 03:25:57,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:25:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:25:57,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 03:25:57,555 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:25:57,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611847660] [2021-07-14 03:25:57,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611847660] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:25:57,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192883282] [2021-07-14 03:25:57,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:25:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:25:57,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 03:25:57,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:25:57,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 03:25:57,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192883282] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:25:57,634 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:25:57,634 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 03:25:57,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472299669] [2021-07-14 03:25:57,634 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 03:25:57,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:25:57,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 03:25:57,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 03:25:57,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:25:57,635 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:25:57,635 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:25:57,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:25:57,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:57,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:25:57,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:25:57,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:57,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:57,867 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:25:57,867 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:25:57,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:25:57,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1620028835, now seen corresponding path program 2 times [2021-07-14 03:25:57,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:25:57,868 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311156272] [2021-07-14 03:25:57,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:25:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:25:57,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:25:57,904 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:25:57,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311156272] [2021-07-14 03:25:57,906 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311156272] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:25:57,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900706438] [2021-07-14 03:25:57,907 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 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 [2021-07-14 03:25:57,946 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:25:57,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:25:57,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 03:25:57,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:25:58,043 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:25:58,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-14 03:25:58,056 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:25:58,058 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:25:58,060 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:25:58,062 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-14 03:25:58,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:25:58,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900706438] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:25:58,079 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:25:58,079 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-07-14 03:25:58,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034743457] [2021-07-14 03:25:58,079 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 03:25:58,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:25:58,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 03:25:58,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 03:25:58,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:25:58,080 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:25:58,080 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:25:58,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:25:58,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:58,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:58,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:25:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:25:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:58,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:25:58,334 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:25:58,334 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:25:58,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:25:58,335 INFO L82 PathProgramCache]: Analyzing trace with hash -518492367, now seen corresponding path program 3 times [2021-07-14 03:25:58,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:25:58,335 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623323142] [2021-07-14 03:25:58,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:25:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:25:58,368 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:25:58,369 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:25:58,369 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623323142] [2021-07-14 03:25:58,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623323142] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:25:58,369 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823890219] [2021-07-14 03:25:58,369 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:25:58,402 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 03:25:58,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:25:58,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 03:25:58,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:25:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:25:58,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823890219] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:25:58,441 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:25:58,441 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-14 03:25:58,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719335433] [2021-07-14 03:25:58,442 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 03:25:58,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:25:58,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 03:25:58,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-07-14 03:25:58,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:25:58,442 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:25:58,442 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:25:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:25:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:25:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:25:58,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:25:58,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:58,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:58,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:25:58,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:25:58,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:25:58,716 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:25:58,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:25:58,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1129677508, now seen corresponding path program 4 times [2021-07-14 03:25:58,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:25:58,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056571697] [2021-07-14 03:25:58,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:25:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:25:58,765 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 03:25:58,766 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:25:58,766 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056571697] [2021-07-14 03:25:58,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056571697] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:25:58,766 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191364828] [2021-07-14 03:25:58,766 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:25:58,800 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:25:58,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:25:58,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 03:25:58,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:25:58,853 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 03:25:58,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191364828] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:25:58,853 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:25:58,854 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-14 03:25:58,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099013219] [2021-07-14 03:25:58,854 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 03:25:58,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:25:58,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 03:25:58,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-14 03:25:58,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:25:58,855 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:25:58,855 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:25:58,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:25:58,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:58,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:58,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:25:58,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:25:58,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:25:58,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:25:58,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:58,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:58,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:25:58,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:25:58,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:25:59,146 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:25:59,146 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:25:59,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:25:59,147 INFO L82 PathProgramCache]: Analyzing trace with hash 322539282, now seen corresponding path program 5 times [2021-07-14 03:25:59,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:25:59,147 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180167122] [2021-07-14 03:25:59,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:25:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:25:59,225 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:25:59,225 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:25:59,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180167122] [2021-07-14 03:25:59,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180167122] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:25:59,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525919413] [2021-07-14 03:25:59,225 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:25:59,264 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 03:25:59,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:25:59,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 03:25:59,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:25:59,354 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 03:25:59,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525919413] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:25:59,355 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:25:59,355 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2021-07-14 03:25:59,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527077887] [2021-07-14 03:25:59,355 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 03:25:59,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:25:59,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 03:25:59,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-07-14 03:25:59,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:25:59,356 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:25:59,356 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:25:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:25:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:25:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:25:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:25:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:25:59,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:25:59,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:59,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:25:59,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:25:59,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:25:59,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:25:59,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:25:59,721 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:25:59,722 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:25:59,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:25:59,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1431854851, now seen corresponding path program 6 times [2021-07-14 03:25:59,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:25:59,722 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399223215] [2021-07-14 03:25:59,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:25:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:25:59,779 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:25:59,780 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:25:59,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399223215] [2021-07-14 03:25:59,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399223215] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:25:59,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131401925] [2021-07-14 03:25:59,780 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:25:59,822 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 03:25:59,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:25:59,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-14 03:25:59,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:26:00,020 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:26:00,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-14 03:26:00,304 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:26:00,306 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:26:00,306 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:26:00,306 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-14 03:26:00,311 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:26:00,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131401925] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:26:00,312 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:26:00,312 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-07-14 03:26:00,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103107554] [2021-07-14 03:26:00,312 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 03:26:00,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:26:00,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 03:26:00,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-07-14 03:26:00,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:26:00,313 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:26:00,313 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 17 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:26:00,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:26:00,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:00,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:00,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:26:00,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:00,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:00,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:00,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:26:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:26:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:26:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:00,617 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-07-14 03:26:00,617 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:26:00,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:26:00,618 INFO L82 PathProgramCache]: Analyzing trace with hash 977354257, now seen corresponding path program 7 times [2021-07-14 03:26:00,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:26:00,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458260125] [2021-07-14 03:26:00,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:26:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:26:00,702 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:26:00,703 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:26:00,703 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458260125] [2021-07-14 03:26:00,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458260125] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:26:00,703 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021406515] [2021-07-14 03:26:00,703 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:26:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:26:00,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 03:26:00,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:26:00,780 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:26:00,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021406515] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:26:00,780 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:26:00,781 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-07-14 03:26:00,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366792818] [2021-07-14 03:26:00,781 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 03:26:00,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:26:00,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 03:26:00,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-07-14 03:26:00,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:26:00,782 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:26:00,782 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:26:00,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:26:00,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:00,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:00,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:26:00,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:00,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:00,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:00,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:00,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:26:00,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:26:00,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:00,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:00,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:26:00,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:00,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:00,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:00,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:00,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:01,127 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:26:01,128 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:26:01,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:26:01,128 INFO L82 PathProgramCache]: Analyzing trace with hash 256282596, now seen corresponding path program 8 times [2021-07-14 03:26:01,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:26:01,128 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39576588] [2021-07-14 03:26:01,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:26:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:26:01,199 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 03:26:01,199 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:26:01,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39576588] [2021-07-14 03:26:01,200 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39576588] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:26:01,200 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877879650] [2021-07-14 03:26:01,200 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-14 03:26:01,243 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:26:01,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:26:01,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 03:26:01,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:26:01,309 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 03:26:01,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877879650] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:26:01,310 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:26:01,310 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2021-07-14 03:26:01,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690970100] [2021-07-14 03:26:01,310 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 03:26:01,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:26:01,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 03:26:01,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-07-14 03:26:01,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:26:01,311 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:26:01,311 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:26:01,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:26:01,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:01,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:01,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:26:01,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:01,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:01,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:01,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:01,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:01,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:26:01,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:26:01,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:01,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:01,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:26:01,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:01,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:01,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:01,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:01,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:01,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:01,651 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-14 03:26:01,652 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:26:01,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:26:01,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1567875954, now seen corresponding path program 9 times [2021-07-14 03:26:01,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:26:01,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381510039] [2021-07-14 03:26:01,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:26:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:26:01,713 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:26:01,713 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:26:01,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381510039] [2021-07-14 03:26:01,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381510039] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:26:01,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71203969] [2021-07-14 03:26:01,713 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:26:01,748 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 03:26:01,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:26:01,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 03:26:01,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:26:02,093 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 03:26:02,093 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:26:02,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-14 03:26:03,192 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:26:03,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:26:03,194 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:26:03,194 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-14 03:26:03,199 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:26:03,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71203969] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:26:03,199 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:26:03,200 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2021-07-14 03:26:03,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545512692] [2021-07-14 03:26:03,200 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 03:26:03,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:26:03,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 03:26:03,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-07-14 03:26:03,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:26:03,201 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:26:03,201 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:26:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:26:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:26:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:03,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:26:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:26:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:26:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:26:03,518 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-14 03:26:03,519 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:26:03,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:26:03,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1293396402, now seen corresponding path program 10 times [2021-07-14 03:26:03,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:26:03,519 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896015252] [2021-07-14 03:26:03,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:26:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:26:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:26:03,627 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:26:03,627 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896015252] [2021-07-14 03:26:03,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896015252] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:26:03,627 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987128487] [2021-07-14 03:26:03,627 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:26:03,659 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:26:03,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:26:03,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 03:26:03,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:26:03,720 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:26:03,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987128487] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:26:03,721 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:26:03,721 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-14 03:26:03,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496001668] [2021-07-14 03:26:03,721 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 03:26:03,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:26:03,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 03:26:03,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-14 03:26:03,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:26:03,722 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:26:03,722 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:26:03,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:26:03,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:03,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:03,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:26:03,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:03,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:03,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:03,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:03,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:03,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:03,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:26:03,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:26:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:26:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:26:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:26:03,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:26:04,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-07-14 03:26:04,149 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:26:04,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:26:04,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1463654499, now seen corresponding path program 11 times [2021-07-14 03:26:04,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:26:04,149 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672193285] [2021-07-14 03:26:04,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:26:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:26:04,226 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:26:04,226 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:26:04,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672193285] [2021-07-14 03:26:04,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672193285] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:26:04,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481460327] [2021-07-14 03:26:04,226 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:26:04,308 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 03:26:04,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:26:04,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 03:26:04,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:26:04,770 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-14 03:26:04,771 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:26:04,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-14 03:26:05,705 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-07-14 03:26:05,822 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-07-14 03:26:05,969 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 252 [2021-07-14 03:26:06,260 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 258 [2021-07-14 03:26:06,369 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 206 [2021-07-14 03:26:07,890 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 287 [2021-07-14 03:26:08,780 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 370 [2021-07-14 03:26:09,212 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 395 [2021-07-14 03:26:09,732 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 442 [2021-07-14 03:26:09,877 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 234 [2021-07-14 03:26:11,744 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 270 [2021-07-14 03:26:12,039 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 379 [2021-07-14 03:26:12,406 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 419 [2021-07-14 03:26:12,885 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 486 [2021-07-14 03:26:13,985 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1125 DAG size of output: 757 [2021-07-14 03:26:15,257 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-07-14 03:26:16,542 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-07-14 03:26:17,961 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1143 DAG size of output: 758 [2021-07-14 03:26:19,569 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 756 DAG size of output: 858 [2021-07-14 03:26:20,079 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 459 [2021-07-14 03:26:20,272 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 212 [2021-07-14 03:26:20,821 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 183 [2021-07-14 03:26:20,970 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 205 [2021-07-14 03:26:21,540 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 239 [2021-07-14 03:26:21,699 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 271 [2021-07-14 03:26:21,965 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 358 [2021-07-14 03:26:22,772 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 686 [2021-07-14 03:26:23,367 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 491 [2021-07-14 03:26:23,832 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 302 [2021-07-14 03:26:24,174 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 231 [2021-07-14 03:26:24,377 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 334 [2021-07-14 03:26:24,714 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 378 [2021-07-14 03:26:25,135 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 236 [2021-07-14 03:26:25,307 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 300 [2021-07-14 03:26:25,623 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 431 [2021-07-14 03:26:25,990 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 437 [2021-07-14 03:26:26,651 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-07-14 03:26:27,318 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-07-14 03:26:28,056 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 554 [2021-07-14 03:26:28,382 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 433 [2021-07-14 03:26:28,828 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 209 [2021-07-14 03:26:29,154 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 239 [2021-07-14 03:26:29,568 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 447 [2021-07-14 03:26:29,781 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 279 [2021-07-14 03:26:30,039 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 303 [2021-07-14 03:26:30,327 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 368 [2021-07-14 03:26:30,752 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-07-14 03:26:31,172 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-07-14 03:26:31,622 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 439 [2021-07-14 03:26:31,890 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 335 [2021-07-14 03:26:32,504 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:26:32,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:26:32,505 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:26:32,505 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-14 03:26:32,510 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:26:32,510 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481460327] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:26:32,510 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:26:32,510 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-07-14 03:26:32,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506736159] [2021-07-14 03:26:32,511 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 03:26:32,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:26:32,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 03:26:32,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-07-14 03:26:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:26:32,511 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:26:32,511 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:26:32,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:26:32,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:32,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:32,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:26:32,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:32,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:32,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:32,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:32,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:32,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:32,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:26:32,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:26:32,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:26:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:26:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:26:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:26:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:26:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:26:32,889 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable201 [2021-07-14 03:26:32,889 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:26:32,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:26:32,889 INFO L82 PathProgramCache]: Analyzing trace with hash 2061052451, now seen corresponding path program 12 times [2021-07-14 03:26:32,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:26:32,890 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470599504] [2021-07-14 03:26:32,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:26:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:26:33,037 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 55 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:26:33,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:26:33,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470599504] [2021-07-14 03:26:33,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470599504] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:26:33,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283944393] [2021-07-14 03:26:33,037 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:26:33,068 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 03:26:33,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:26:33,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 03:26:33,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:26:33,126 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:26:33,126 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283944393] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:26:33,126 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:26:33,126 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-07-14 03:26:33,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308294927] [2021-07-14 03:26:33,127 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 03:26:33,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:26:33,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 03:26:33,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-07-14 03:26:33,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:26:33,127 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:26:33,127 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:26:33,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:26:33,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:33,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:33,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:26:33,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:33,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:33,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:33,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:33,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:33,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:33,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:26:33,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:26:33,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:26:33,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:26:33,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:26:33,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:33,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:26:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:26:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:26:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:26:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:26:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:26:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:26:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:26:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:26:33,604 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1342,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:26:33,604 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:26:33,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:26:33,604 INFO L82 PathProgramCache]: Analyzing trace with hash -508811758, now seen corresponding path program 13 times [2021-07-14 03:26:33,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:26:33,604 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534826742] [2021-07-14 03:26:33,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:26:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:26:33,762 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:26:33,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:26:33,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534826742] [2021-07-14 03:26:33,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534826742] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:26:33,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664998434] [2021-07-14 03:26:33,762 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 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 [2021-07-14 03:26:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:26:33,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-14 03:26:33,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:26:34,386 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 03:26:34,386 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:26:34,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-07-14 03:26:35,255 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 276 [2021-07-14 03:26:35,410 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 280 [2021-07-14 03:26:36,158 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 269 [2021-07-14 03:26:36,313 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 273 [2021-07-14 03:26:36,677 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 411 [2021-07-14 03:26:37,075 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 438 [2021-07-14 03:26:37,819 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 250 [2021-07-14 03:26:37,968 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 252 [2021-07-14 03:26:38,647 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 240 [2021-07-14 03:26:38,760 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 242 [2021-07-14 03:26:39,045 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 374 [2021-07-14 03:26:39,377 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 402 [2021-07-14 03:26:40,249 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 770 DAG size of output: 685 [2021-07-14 03:26:41,211 WARN L205 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 726 [2021-07-14 03:26:42,333 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 833 DAG size of output: 734 [2021-07-14 03:26:43,627 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-07-14 03:26:44,919 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-07-14 03:26:46,449 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 861 DAG size of output: 758 [2021-07-14 03:26:48,386 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 760 DAG size of output: 812 [2021-07-14 03:26:49,274 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 563 [2021-07-14 03:26:49,897 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 646 [2021-07-14 03:26:50,710 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 545 [2021-07-14 03:26:51,397 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 536 [2021-07-14 03:26:51,743 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 313 [2021-07-14 03:26:51,864 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 254 [2021-07-14 03:26:52,639 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-07-14 03:26:53,472 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 314 [2021-07-14 03:26:53,890 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 500 [2021-07-14 03:26:54,429 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 569 [2021-07-14 03:26:54,646 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 252 [2021-07-14 03:26:55,374 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 212 [2021-07-14 03:26:55,647 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 273 [2021-07-14 03:26:55,898 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 288 [2021-07-14 03:26:56,687 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 195 [2021-07-14 03:26:57,009 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 259 [2021-07-14 03:26:57,555 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 416 [2021-07-14 03:26:58,190 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 186 [2021-07-14 03:26:58,433 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 247 [2021-07-14 03:26:58,628 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 262 [2021-07-14 03:26:58,773 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 250 [2021-07-14 03:26:59,416 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 191 [2021-07-14 03:26:59,597 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 252 [2021-07-14 03:26:59,803 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 253 [2021-07-14 03:27:00,065 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 268 [2021-07-14 03:27:00,611 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 397 [2021-07-14 03:27:01,693 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 975 DAG size of output: 585 [2021-07-14 03:27:03,507 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1575 DAG size of output: 971 [2021-07-14 03:27:04,470 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 336 [2021-07-14 03:27:04,863 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 355 [2021-07-14 03:27:05,123 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 339 [2021-07-14 03:27:06,208 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 308 [2021-07-14 03:27:06,357 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 322 [2021-07-14 03:27:06,943 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 379 [2021-07-14 03:27:07,251 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 401 [2021-07-14 03:27:07,621 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 412 [2021-07-14 03:27:08,463 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 290 [2021-07-14 03:27:08,657 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 324 [2021-07-14 03:27:08,880 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 334 [2021-07-14 03:27:09,556 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 570 [2021-07-14 03:27:10,907 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 282 [2021-07-14 03:27:11,182 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 386 [2021-07-14 03:27:11,597 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 444 [2021-07-14 03:27:12,693 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1125 DAG size of output: 748 [2021-07-14 03:27:14,197 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1273 DAG size of output: 863 [2021-07-14 03:27:14,478 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-14 03:27:15,427 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 281 [2021-07-14 03:27:15,604 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 313 [2021-07-14 03:27:16,295 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 281 [2021-07-14 03:27:16,633 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 428 [2021-07-14 03:27:17,305 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 233 [2021-07-14 03:27:17,805 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 324 [2021-07-14 03:27:18,048 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 374 [2021-07-14 03:27:18,645 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 529 [2021-07-14 03:27:20,900 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1121 [2021-07-14 03:27:21,209 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 336 [2021-07-14 03:27:21,423 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 278 [2021-07-14 03:27:22,173 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 208 [2021-07-14 03:27:22,338 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 220 [2021-07-14 03:27:23,097 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 191 [2021-07-14 03:27:23,234 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 215 [2021-07-14 03:27:23,413 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 236 [2021-07-14 03:27:23,795 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 345 [2021-07-14 03:27:23,949 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 242 [2021-07-14 03:27:25,217 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 207 [2021-07-14 03:27:25,484 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-07-14 03:27:25,799 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 323 [2021-07-14 03:27:26,409 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 465 [2021-07-14 03:27:26,551 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 307 [2021-07-14 03:27:27,375 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2021-07-14 03:27:28,112 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 285 [2021-07-14 03:27:29,105 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 255 [2021-07-14 03:27:29,311 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 279 [2021-07-14 03:27:29,801 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 424 [2021-07-14 03:27:30,459 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 511 [2021-07-14 03:27:31,930 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1161 DAG size of output: 818 [2021-07-14 03:27:35,987 WARN L205 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 2529 DAG size of output: 1673 [2021-07-14 03:27:40,816 WARN L205 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 2885 DAG size of output: 1923 [2021-07-14 03:27:48,221 WARN L205 SmtUtils]: Spent 7.39 s on a formula simplification. DAG size of input: 4260 DAG size of output: 2683 [2021-07-14 03:27:56,795 WARN L205 SmtUtils]: Spent 8.56 s on a formula simplification. DAG size of input: 4417 DAG size of output: 2844 [2021-07-14 03:28:06,554 WARN L205 SmtUtils]: Spent 9.74 s on a formula simplification. DAG size of input: 4663 DAG size of output: 2936 [2021-07-14 03:28:07,218 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 626 [2021-07-14 03:28:08,075 WARN L205 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 525 [2021-07-14 03:28:08,770 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 490 [2021-07-14 03:28:09,404 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 304 [2021-07-14 03:28:10,304 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 464 [2021-07-14 03:28:10,522 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 470 [2021-07-14 03:28:10,888 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 813 DAG size of output: 655 [2021-07-14 03:28:11,149 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 221 [2021-07-14 03:28:12,276 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 181 [2021-07-14 03:28:12,844 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 179 [2021-07-14 03:28:13,096 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 241 [2021-07-14 03:28:13,400 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 244 [2021-07-14 03:28:13,849 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 287 [2021-07-14 03:28:14,847 WARN L205 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 681 [2021-07-14 03:28:15,907 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 428 DAG size of output: 584 [2021-07-14 03:28:16,442 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 255 [2021-07-14 03:28:16,832 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 499 [2021-07-14 03:28:17,028 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 324 [2021-07-14 03:28:17,189 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 322 [2021-07-14 03:28:18,025 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 201 [2021-07-14 03:28:18,803 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 286 [2021-07-14 03:28:19,744 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 214 [2021-07-14 03:28:19,911 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 256 [2021-07-14 03:28:20,710 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 347 [2021-07-14 03:28:21,361 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 524 [2021-07-14 03:28:22,075 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 193 [2021-07-14 03:28:22,747 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 266 [2021-07-14 03:28:24,615 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 188 [2021-07-14 03:28:24,739 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 191 [2021-07-14 03:28:24,950 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 262 [2021-07-14 03:28:25,295 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 355 [2021-07-14 03:28:25,743 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 397 [2021-07-14 03:28:26,505 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 559 [2021-07-14 03:28:28,025 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 977 DAG size of output: 792 [2021-07-14 03:28:29,612 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1064 DAG size of output: 842 [2021-07-14 03:28:31,549 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1243 DAG size of output: 920 [2021-07-14 03:28:33,912 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 1442 DAG size of output: 1089 [2021-07-14 03:28:34,520 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 457 [2021-07-14 03:28:34,821 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 383 [2021-07-14 03:28:35,204 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 429 [2021-07-14 03:28:35,976 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 239 [2021-07-14 03:28:36,113 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 249 [2021-07-14 03:28:36,728 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 207 [2021-07-14 03:28:37,017 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 344 [2021-07-14 03:28:37,432 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 395 [2021-07-14 03:28:38,687 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 202 [2021-07-14 03:28:38,934 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 332 [2021-07-14 03:28:39,279 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 381 [2021-07-14 03:28:39,662 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 401 [2021-07-14 03:28:40,438 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 593 [2021-07-14 03:28:40,859 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 444 [2021-07-14 03:28:41,657 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 210 [2021-07-14 03:28:41,795 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 233 [2021-07-14 03:28:41,982 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2021-07-14 03:28:42,673 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 345 [2021-07-14 03:28:43,106 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 398 [2021-07-14 03:28:43,871 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 217 [2021-07-14 03:28:44,542 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2021-07-14 03:28:44,835 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 344 [2021-07-14 03:28:45,260 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 397 [2021-07-14 03:28:46,076 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 601 [2021-07-14 03:28:47,506 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1077 DAG size of output: 809 [2021-07-14 03:28:49,223 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1165 DAG size of output: 847 [2021-07-14 03:28:53,850 WARN L205 SmtUtils]: Spent 4.62 s on a formula simplification. DAG size of input: 2290 DAG size of output: 1526 [2021-07-14 03:29:00,110 WARN L205 SmtUtils]: Spent 6.25 s on a formula simplification. DAG size of input: 3340 DAG size of output: 2063 [2021-07-14 03:29:07,425 WARN L205 SmtUtils]: Spent 7.30 s on a formula simplification. DAG size of input: 3491 DAG size of output: 2236 [2021-07-14 03:29:15,951 WARN L205 SmtUtils]: Spent 8.51 s on a formula simplification. DAG size of input: 3713 DAG size of output: 2317 [2021-07-14 03:29:35,133 WARN L205 SmtUtils]: Spent 19.15 s on a formula simplification. DAG size of input: 7370 DAG size of output: 4532 [2021-07-14 03:29:58,368 WARN L205 SmtUtils]: Spent 23.20 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-07-14 03:30:21,585 WARN L205 SmtUtils]: Spent 23.19 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-07-14 03:30:47,562 WARN L205 SmtUtils]: Spent 25.96 s on a formula simplification. DAG size of input: 7669 DAG size of output: 4667 [2021-07-14 03:30:48,387 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 4661 [2021-07-14 03:31:17,095 WARN L205 SmtUtils]: Spent 28.68 s on a formula simplification. DAG size of input: 4663 DAG size of output: 6220 [2021-07-14 03:31:27,481 WARN L205 SmtUtils]: Spent 10.33 s on a formula simplification. DAG size of input: 4573 DAG size of output: 4534 [2021-07-14 03:31:51,208 WARN L205 SmtUtils]: Spent 23.67 s on a formula simplification. DAG size of input: 4531 DAG size of output: 4865 [2021-07-14 03:32:06,748 WARN L205 SmtUtils]: Spent 15.51 s on a formula simplification. DAG size of input: 3153 DAG size of output: 3275 [2021-07-14 03:32:17,178 WARN L205 SmtUtils]: Spent 10.41 s on a formula simplification. DAG size of input: 3100 DAG size of output: 3091 [2021-07-14 03:32:35,638 WARN L205 SmtUtils]: Spent 18.44 s on a formula simplification. DAG size of input: 2740 DAG size of output: 4110 [2021-07-14 03:32:36,595 WARN L205 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 2692 DAG size of output: 2692 [2021-07-14 03:32:36,874 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 256 [2021-07-14 03:32:37,365 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 1341 [2021-07-14 03:32:37,670 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 1234 [2021-07-14 03:32:37,812 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2021-07-14 03:32:37,957 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 668 [2021-07-14 03:32:38,102 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 635 [2021-07-14 03:32:39,571 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 685 [2021-07-14 03:32:40,145 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 558 [2021-07-14 03:32:41,249 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 189 [2021-07-14 03:32:41,469 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 318 [2021-07-14 03:32:41,832 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 429 [2021-07-14 03:32:42,314 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 502 [2021-07-14 03:32:42,727 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 450 [2021-07-14 03:32:43,207 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 1736 DAG size of output: 1736 [2021-07-14 03:32:43,437 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 1598 [2021-07-14 03:32:43,766 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 1498 [2021-07-14 03:32:44,054 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 1220 DAG size of output: 1220 [2021-07-14 03:32:44,542 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 852 [2021-07-14 03:32:45,081 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-07-14 03:32:46,045 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 197 [2021-07-14 03:32:47,047 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 313 [2021-07-14 03:32:47,335 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 375 [2021-07-14 03:32:48,961 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 240 [2021-07-14 03:32:49,180 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 357 [2021-07-14 03:32:50,630 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 227 [2021-07-14 03:32:51,421 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 231 [2021-07-14 03:32:51,702 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 391 [2021-07-14 03:32:52,238 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 621 [2021-07-14 03:32:53,238 WARN L205 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 1446 DAG size of output: 922 [2021-07-14 03:32:54,444 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1728 DAG size of output: 970 [2021-07-14 03:32:55,620 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1758 DAG size of output: 839 [2021-07-14 03:32:55,886 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 283 [2021-07-14 03:32:57,644 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1922 DAG size of output: 903 [2021-07-14 03:32:59,687 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 2598 DAG size of output: 1165 [2021-07-14 03:33:05,910 WARN L205 SmtUtils]: Spent 6.20 s on a formula simplification. DAG size of input: 4518 DAG size of output: 2219 [2021-07-14 03:33:06,697 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 525 [2021-07-14 03:33:07,075 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2021-07-14 03:33:08,045 WARN L205 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 729 [2021-07-14 03:33:08,335 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 338 [2021-07-14 03:33:09,050 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 273 [2021-07-14 03:33:09,334 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 279 [2021-07-14 03:33:09,678 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 325 [2021-07-14 03:33:16,860 WARN L205 SmtUtils]: Spent 7.18 s on a formula simplification. DAG size of input: 4961 DAG size of output: 2195 [2021-07-14 03:33:25,594 WARN L205 SmtUtils]: Spent 8.71 s on a formula simplification. DAG size of input: 5328 DAG size of output: 2407 [2021-07-14 03:33:36,789 WARN L205 SmtUtils]: Spent 11.17 s on a formula simplification. DAG size of input: 6680 DAG size of output: 2674 [2021-07-14 03:33:49,203 WARN L205 SmtUtils]: Spent 12.39 s on a formula simplification. DAG size of input: 6693 DAG size of output: 2686 [2021-07-14 03:34:04,059 WARN L205 SmtUtils]: Spent 14.83 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-07-14 03:34:18,924 WARN L205 SmtUtils]: Spent 14.83 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-07-14 03:34:36,388 WARN L205 SmtUtils]: Spent 17.42 s on a formula simplification. DAG size of input: 8225 DAG size of output: 3069 [2021-07-14 03:34:50,346 WARN L205 SmtUtils]: Spent 13.94 s on a formula simplification. DAG size of input: 3054 DAG size of output: 3247 [2021-07-14 03:34:56,688 WARN L205 SmtUtils]: Spent 6.32 s on a formula simplification. DAG size of input: 2778 DAG size of output: 2144 [2021-07-14 03:35:01,788 WARN L205 SmtUtils]: Spent 5.09 s on a formula simplification. DAG size of input: 1921 DAG size of output: 2107 [2021-07-14 03:35:06,371 WARN L205 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 1844 DAG size of output: 1869 [2021-07-14 03:35:06,581 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 1774 [2021-07-14 03:35:06,820 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 1623 [2021-07-14 03:35:07,017 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 271 [2021-07-14 03:35:07,638 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 234 [2021-07-14 03:35:08,147 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 302 [2021-07-14 03:35:08,331 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 1442 [2021-07-14 03:35:08,650 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 262 [2021-07-14 03:35:08,863 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 233 [2021-07-14 03:35:09,780 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1292 [2021-07-14 03:35:10,008 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 265 [2021-07-14 03:35:10,300 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 204 [2021-07-14 03:35:10,496 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 214 [2021-07-14 03:35:11,608 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1104 DAG size of output: 1104 [2021-07-14 03:35:12,360 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 490 [2021-07-14 03:35:13,434 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 509 [2021-07-14 03:35:14,044 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 338 [2021-07-14 03:35:14,359 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 441 [2021-07-14 03:35:14,783 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 535 [2021-07-14 03:35:14,896 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 624 [2021-07-14 03:35:15,524 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 353 [2021-07-14 03:35:16,123 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 193 [2021-07-14 03:35:16,243 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 204 [2021-07-14 03:35:16,387 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 216 [2021-07-14 03:35:17,057 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 291 [2021-07-14 03:35:17,859 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 1185 DAG size of output: 751 [2021-07-14 03:35:19,010 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1369 DAG size of output: 911 [2021-07-14 03:35:20,290 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1497 DAG size of output: 994 [2021-07-14 03:35:21,780 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1806 DAG size of output: 1194 [2021-07-14 03:35:21,987 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2021-07-14 03:35:22,184 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-14 03:35:22,486 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 232 [2021-07-14 03:35:23,092 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 169 [2021-07-14 03:35:23,251 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 207 [2021-07-14 03:35:23,413 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 223 [2021-07-14 03:35:25,147 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 2038 DAG size of output: 1341 [2021-07-14 03:35:27,327 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 2187 DAG size of output: 1400 [2021-07-14 03:35:30,598 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 2655 DAG size of output: 1823 [2021-07-14 03:35:34,806 WARN L205 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 2932 DAG size of output: 2078 [2021-07-14 03:35:40,109 WARN L205 SmtUtils]: Spent 5.29 s on a formula simplification. DAG size of input: 3415 DAG size of output: 2208 [2021-07-14 03:35:46,077 WARN L205 SmtUtils]: Spent 5.95 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-07-14 03:35:52,049 WARN L205 SmtUtils]: Spent 5.95 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-07-14 03:35:58,573 WARN L205 SmtUtils]: Spent 6.51 s on a formula simplification. DAG size of input: 3444 DAG size of output: 2217 [2021-07-14 03:35:58,847 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 2213 [2021-07-14 03:35:59,350 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 2213 [2021-07-14 03:35:59,617 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 2208 [2021-07-14 03:36:04,532 WARN L205 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 2078 DAG size of output: 1870 [2021-07-14 03:36:04,820 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 1107 [2021-07-14 03:36:04,938 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 180 [2021-07-14 03:36:06,853 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1010 DAG size of output: 875 [2021-07-14 03:36:07,408 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 416 [2021-07-14 03:36:07,591 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 188 [2021-07-14 03:36:08,078 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 197 [2021-07-14 03:36:09,198 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 529 [2021-07-14 03:36:09,376 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 289 [2021-07-14 03:36:09,997 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 258 [2021-07-14 03:36:10,725 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 286 [2021-07-14 03:36:10,997 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 383 [2021-07-14 03:36:11,178 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 947 DAG size of output: 945 [2021-07-14 03:36:12,589 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 789 DAG size of output: 735 [2021-07-14 03:36:13,177 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 547 [2021-07-14 03:36:13,691 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 464 [2021-07-14 03:36:14,381 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 242 [2021-07-14 03:36:14,539 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 252 [2021-07-14 03:36:14,876 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 239 [2021-07-14 03:36:15,558 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 315 [2021-07-14 03:36:15,699 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 196 [2021-07-14 03:36:16,142 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 346 [2021-07-14 03:36:16,474 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 589 DAG size of output: 350 [2021-07-14 03:36:17,055 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 574 [2021-07-14 03:36:17,363 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 292 [2021-07-14 03:36:17,514 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 195 [2021-07-14 03:36:18,303 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 213 [2021-07-14 03:36:18,450 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 199 [2021-07-14 03:36:19,010 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 180 [2021-07-14 03:36:19,842 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 1288 DAG size of output: 687 [2021-07-14 03:36:20,824 WARN L205 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-07-14 03:36:21,802 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-07-14 03:36:22,822 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1297 DAG size of output: 692 [2021-07-14 03:36:23,162 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 491 [2021-07-14 03:36:23,730 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 304 [2021-07-14 03:36:24,069 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 355 [2021-07-14 03:36:24,452 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-07-14 03:36:24,854 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-07-14 03:36:25,277 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 363 [2021-07-14 03:36:25,579 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 365 [2021-07-14 03:36:25,716 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 248 [2021-07-14 03:36:26,615 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:26,616 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:36:26,617 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:36:26,617 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-07-14 03:36:26,621 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:26,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664998434] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:26,622 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:26,622 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20] total 32 [2021-07-14 03:36:26,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636830089] [2021-07-14 03:36:26,622 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 03:36:26,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:26,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 03:36:26,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=975, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 03:36:26,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:26,623 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:26,623 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 32 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:36:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:36:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:36:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:36:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:36:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:36:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:36:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:26,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:36:26,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:26,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:36:26,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:36:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:36:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:36:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:36:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:36:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:36:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:27,087 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1343 [2021-07-14 03:36:27,087 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:27,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:27,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1770898350, now seen corresponding path program 14 times [2021-07-14 03:36:27,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:27,087 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007207724] [2021-07-14 03:36:27,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:27,289 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:27,290 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:27,290 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007207724] [2021-07-14 03:36:27,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007207724] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:27,290 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17488052] [2021-07-14 03:36:27,290 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 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 [2021-07-14 03:36:27,322 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:36:27,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:27,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 03:36:27,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:27,386 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 91 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:27,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17488052] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:27,386 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:27,386 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2021-07-14 03:36:27,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988275118] [2021-07-14 03:36:27,387 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 03:36:27,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:27,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 03:36:27,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2021-07-14 03:36:27,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:27,387 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:27,388 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 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) [2021-07-14 03:36:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:36:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:36:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:36:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:36:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:36:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:36:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:36:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:27,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:36:27,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:27,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:27,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:36:27,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:36:27,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:36:27,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:36:27,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:27,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:27,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:36:27,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:27,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:27,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:27,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:36:27,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:27,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 03:36:27,887 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11576 [2021-07-14 03:36:27,888 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:27,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:27,888 INFO L82 PathProgramCache]: Analyzing trace with hash 959797699, now seen corresponding path program 15 times [2021-07-14 03:36:27,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:27,888 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415094159] [2021-07-14 03:36:27,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:28,026 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:28,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415094159] [2021-07-14 03:36:28,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415094159] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:28,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465043918] [2021-07-14 03:36:28,026 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 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 [2021-07-14 03:36:28,065 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-14 03:36:28,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:28,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-14 03:36:28,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:29,157 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-07-14 03:36:29,157 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:36:29,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-07-14 03:36:30,298 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 301 [2021-07-14 03:36:30,496 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 334 [2021-07-14 03:36:30,769 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 363 [2021-07-14 03:36:32,168 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 609 [2021-07-14 03:36:32,472 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 636 [2021-07-14 03:36:33,144 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 912 [2021-07-14 03:36:33,970 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 937 [2021-07-14 03:36:35,001 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1169 DAG size of output: 969 [2021-07-14 03:36:36,281 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1200 DAG size of output: 1000 [2021-07-14 03:36:37,783 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1232 DAG size of output: 1032 [2021-07-14 03:36:39,035 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 235 [2021-07-14 03:36:39,193 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 256 [2021-07-14 03:36:39,402 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 289 [2021-07-14 03:36:39,612 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 321 [2021-07-14 03:36:39,871 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 354 [2021-07-14 03:36:41,850 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1480 DAG size of output: 1192 [2021-07-14 03:36:43,037 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 328 [2021-07-14 03:36:43,280 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 593 [2021-07-14 03:36:44,393 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 324 [2021-07-14 03:36:44,626 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 589 [2021-07-14 03:36:45,173 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1122 [2021-07-14 03:36:45,905 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 1279 DAG size of output: 1150 [2021-07-14 03:36:46,820 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 1310 DAG size of output: 1181 [2021-07-14 03:36:47,944 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1211 [2021-07-14 03:36:49,392 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1369 DAG size of output: 1239 [2021-07-14 03:36:50,886 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 316 [2021-07-14 03:36:51,112 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 348 [2021-07-14 03:36:51,375 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 375 [2021-07-14 03:36:51,704 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 406 [2021-07-14 03:36:52,055 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 436 [2021-07-14 03:36:54,173 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 1800 DAG size of output: 1526 [2021-07-14 03:36:56,619 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 1831 DAG size of output: 1557 [2021-07-14 03:37:01,464 WARN L205 SmtUtils]: Spent 4.83 s on a formula simplification. DAG size of input: 3112 DAG size of output: 2563 [2021-07-14 03:37:06,932 WARN L205 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 3143 DAG size of output: 2594 [2021-07-14 03:37:12,925 WARN L205 SmtUtils]: Spent 5.98 s on a formula simplification. DAG size of input: 3171 DAG size of output: 2622 [2021-07-14 03:37:19,647 WARN L205 SmtUtils]: Spent 6.71 s on a formula simplification. DAG size of input: 3200 DAG size of output: 2649 [2021-07-14 03:37:27,165 WARN L205 SmtUtils]: Spent 7.50 s on a formula simplification. DAG size of input: 3246 DAG size of output: 2693 [2021-07-14 03:37:28,433 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 234 [2021-07-14 03:37:28,598 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 262 [2021-07-14 03:37:28,784 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 295 [2021-07-14 03:37:28,992 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 327 [2021-07-14 03:37:30,422 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 610 [2021-07-14 03:37:31,511 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-07-14 03:37:31,713 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-07-14 03:37:32,247 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 881 [2021-07-14 03:37:32,921 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 911 [2021-07-14 03:37:33,766 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 1136 DAG size of output: 943 [2021-07-14 03:37:34,793 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1168 DAG size of output: 975 [2021-07-14 03:37:36,075 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1199 DAG size of output: 1006 [2021-07-14 03:37:37,814 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1441 DAG size of output: 1168 [2021-07-14 03:37:39,814 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 1474 DAG size of output: 1201 [2021-07-14 03:37:40,911 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-07-14 03:37:41,115 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-07-14 03:37:41,374 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 364 [2021-07-14 03:37:42,553 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 304 [2021-07-14 03:37:42,772 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 339 [2021-07-14 03:37:43,067 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 370 [2021-07-14 03:37:43,687 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 890 DAG size of output: 633 [2021-07-14 03:37:44,437 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 659 [2021-07-14 03:37:45,305 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 693 [2021-07-14 03:37:46,347 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 990 DAG size of output: 726 [2021-07-14 03:37:47,543 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1024 DAG size of output: 760 [2021-07-14 03:37:49,689 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1051 DAG size of output: 779 [2021-07-14 03:37:53,357 WARN L205 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 2305 DAG size of output: 1755 [2021-07-14 03:37:57,541 WARN L205 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 2338 DAG size of output: 1788 [2021-07-14 03:38:02,035 WARN L205 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 2368 DAG size of output: 1818 [2021-07-14 03:38:07,056 WARN L205 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 2399 DAG size of output: 1847 [2021-07-14 03:38:20,940 WARN L205 SmtUtils]: Spent 13.87 s on a formula simplification. DAG size of input: 5327 DAG size of output: 4237 [2021-07-14 03:38:36,352 WARN L205 SmtUtils]: Spent 15.39 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-07-14 03:38:51,782 WARN L205 SmtUtils]: Spent 15.40 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-07-14 03:39:09,370 WARN L205 SmtUtils]: Spent 17.57 s on a formula simplification. DAG size of input: 5378 DAG size of output: 4286 [2021-07-14 03:39:39,069 WARN L205 SmtUtils]: Spent 29.67 s on a formula simplification. DAG size of input: 4288 DAG size of output: 5230 [2021-07-14 03:40:13,801 WARN L205 SmtUtils]: Spent 34.70 s on a formula simplification. DAG size of input: 4282 DAG size of output: 6377 [2021-07-14 03:40:14,321 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 4274 [2021-07-14 03:40:15,540 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2021-07-14 03:40:15,774 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 309 [2021-07-14 03:40:16,035 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 334 [2021-07-14 03:40:16,694 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 231 [2021-07-14 03:40:16,826 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 256 [2021-07-14 03:40:17,425 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 221 [2021-07-14 03:40:17,549 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 244 [2021-07-14 03:40:17,840 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 352 [2021-07-14 03:40:18,186 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 375 [2021-07-14 03:40:18,892 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 545 [2021-07-14 03:40:19,474 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 220 [2021-07-14 03:40:19,593 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 240 [2021-07-14 03:40:20,196 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 228 [2021-07-14 03:40:20,319 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 250 [2021-07-14 03:40:20,581 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 346 [2021-07-14 03:40:21,919 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 299 [2021-07-14 03:40:22,481 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 516 [2021-07-14 03:40:23,158 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 538 [2021-07-14 03:40:24,527 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1114 DAG size of output: 848 [2021-07-14 03:40:25,170 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2021-07-14 03:40:25,926 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 340 [2021-07-14 03:40:26,864 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 222 [2021-07-14 03:40:27,033 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 275 [2021-07-14 03:40:27,536 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 481 [2021-07-14 03:40:28,124 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 501 [2021-07-14 03:40:28,688 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 233 [2021-07-14 03:40:28,814 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 256 [2021-07-14 03:40:29,271 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2021-07-14 03:40:29,383 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 245 [2021-07-14 03:40:29,648 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 349 [2021-07-14 03:40:29,976 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 370 [2021-07-14 03:40:31,142 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 287 [2021-07-14 03:40:31,351 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 307 [2021-07-14 03:40:31,977 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 514 [2021-07-14 03:40:33,229 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 926 DAG size of output: 806 [2021-07-14 03:40:36,175 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 1850 DAG size of output: 1449 [2021-07-14 03:40:39,502 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 1896 DAG size of output: 1472 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown