/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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 18:12:49,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 18:12:49,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 18:12:49,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 18:12:50,016 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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-07-14 18:12:50,049 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 18:12:50,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 18:12:50,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 18:12:50,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 18:12:50,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 18:12:50,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 18:12:50,053 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 18:12:50,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 18:12:50,053 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 18:12:50,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 18:12:50,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 18:12:50,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 18:12:50,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 18:12:50,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 18:12:50,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 18:12:50,055 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 18:12:50,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 18:12:50,055 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 18:12:50,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 18:12:50,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 18:12:50,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 18:12:50,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 18:12:50,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 18:12:50,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 18:12:50,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 18:12:50,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 18:12:50,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 18:12:50,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 18:12:50,056 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 18:12:50,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 18:12:50,057 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 18:12:50,057 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 18:12:50,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 18:12:50,057 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 18:12:50,057 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 18:12:50,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 18:12:50,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 18:12:50,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 18:12:50,378 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 18:12:50,379 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 18:12:50,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-07-14 18:12:50,380 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-07-14 18:12:50,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 18:12:50,404 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 18:12:50,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 18:12:50,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 18:12:50,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 18:12:50,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:50" (1/1) ... [2021-07-14 18:12:50,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:50" (1/1) ... [2021-07-14 18:12:50,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 18:12:50,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 18:12:50,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 18:12:50,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 18:12:50,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:50" (1/1) ... [2021-07-14 18:12:50,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:50" (1/1) ... [2021-07-14 18:12:50,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:50" (1/1) ... [2021-07-14 18:12:50,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:50" (1/1) ... [2021-07-14 18:12:50,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:50" (1/1) ... [2021-07-14 18:12:50,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:50" (1/1) ... [2021-07-14 18:12:50,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:50" (1/1) ... [2021-07-14 18:12:50,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 18:12:50,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 18:12:50,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 18:12:50,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 18:12:50,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:50" (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 18:12:50,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 18:12:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 18:12:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 18:12:50,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 18:12:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 18:12:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 18:12:50,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 18:12:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 18:12:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 18:12:50,551 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 18:12:50,782 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 18:12:50,783 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 18:12:50,783 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 18:12:50,784 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 18:12:50,785 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:12:50 BoogieIcfgContainer [2021-07-14 18:12:50,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 18:12:50,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 18:12:50,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 18:12:50,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 18:12:50,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:50" (1/2) ... [2021-07-14 18:12:50,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479c149e and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 06:12:50, skipping insertion in model container [2021-07-14 18:12:50,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:12:50" (2/2) ... [2021-07-14 18:12:50,790 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-07-14 18:12:50,795 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 18:12:50,795 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 18:12:50,795 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 18:12:50,795 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 18:12:50,845 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 18:12:50,863 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 18:12:50,907 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 18:12:50,908 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 18:12:50,908 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 18:12:50,908 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 18:12:50,908 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 18:12:50,908 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 18:12:50,908 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 18:12:50,909 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 18:12:50,946 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:50,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:50,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1040214325, now seen corresponding path program 1 times [2021-07-14 18:12:50,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:50,958 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797605189] [2021-07-14 18:12:50,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:51,139 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 18:12:51,139 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:51,140 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797605189] [2021-07-14 18:12:51,140 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797605189] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 18:12:51,140 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 18:12:51,140 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 18:12:51,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167067993] [2021-07-14 18:12:51,144 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 18:12:51,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:51,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 18:12:51,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 18:12:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:51,158 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:51,160 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 18:12:51,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:51,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:51,185 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 18:12:51,185 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:51,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:51,189 INFO L82 PathProgramCache]: Analyzing trace with hash -614275243, now seen corresponding path program 1 times [2021-07-14 18:12:51,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:51,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296899044] [2021-07-14 18:12:51,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:51,253 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 18:12:51,254 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:51,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296899044] [2021-07-14 18:12:51,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296899044] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:51,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874644164] [2021-07-14 18:12:51,254 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 18:12:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:51,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 18:12:51,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:51,394 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 18:12:51,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874644164] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:51,395 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:51,395 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-14 18:12:51,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744808142] [2021-07-14 18:12:51,398 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 18:12:51,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:51,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 18:12:51,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 18:12:51,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:51,402 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:51,402 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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 18:12:51,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:51,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:51,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:51,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:51,664 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:51,664 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:51,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:51,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1861934924, now seen corresponding path program 1 times [2021-07-14 18:12:51,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:51,665 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002992919] [2021-07-14 18:12:51,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:51,741 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 18:12:51,742 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:51,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002992919] [2021-07-14 18:12:51,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002992919] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:51,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139671349] [2021-07-14 18:12:51,742 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 18:12:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:51,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 18:12:51,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:51,831 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 18:12:51,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139671349] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:51,832 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:51,832 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 18:12:51,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510580676] [2021-07-14 18:12:51,833 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 18:12:51,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:51,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 18:12:51,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 18:12:51,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:51,833 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:51,834 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 18:12:51,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:51,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:51,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:51,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:51,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:51,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:52,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:52,077 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:52,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:52,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1606457044, now seen corresponding path program 2 times [2021-07-14 18:12:52,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:52,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172700867] [2021-07-14 18:12:52,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:52,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:12:52,113 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:52,113 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172700867] [2021-07-14 18:12:52,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172700867] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:52,113 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072192806] [2021-07-14 18:12:52,113 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 18:12:52,150 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 18:12:52,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:12:52,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 18:12:52,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:52,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:12:52,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072192806] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:52,199 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:52,199 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-14 18:12:52,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376127324] [2021-07-14 18:12:52,200 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 18:12:52,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:52,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 18:12:52,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 18:12:52,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:52,201 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:52,201 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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 18:12:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:52,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:52,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:52,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:52,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:52,446 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:52,447 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:52,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:52,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1752425652, now seen corresponding path program 3 times [2021-07-14 18:12:52,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:52,447 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491419462] [2021-07-14 18:12:52,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:52,499 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:12:52,499 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:52,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491419462] [2021-07-14 18:12:52,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491419462] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:52,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814772044] [2021-07-14 18:12:52,500 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 18:12:52,531 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 18:12:52,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:12:52,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 18:12:52,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:52,654 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:12:52,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-14 18:12:52,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:12:52,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:12:52,692 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:12:52,692 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-14 18:12:52,710 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:12:52,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814772044] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:52,710 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:52,710 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-07-14 18:12:52,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181684148] [2021-07-14 18:12:52,711 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 18:12:52,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:52,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 18:12:52,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-14 18:12:52,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:52,712 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:52,712 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:12:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:52,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:52,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:52,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:52,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:52,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:52,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:52,976 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:52,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:52,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1982485204, now seen corresponding path program 4 times [2021-07-14 18:12:52,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:52,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536628829] [2021-07-14 18:12:52,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:53,040 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:12:53,040 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:53,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536628829] [2021-07-14 18:12:53,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536628829] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:53,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314844314] [2021-07-14 18:12:53,041 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 18:12:53,091 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 18:12:53,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:12:53,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 18:12:53,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:53,190 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:12:53,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314844314] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:53,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:53,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 18:12:53,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390119211] [2021-07-14 18:12:53,191 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 18:12:53,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:53,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 18:12:53,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-14 18:12:53,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:53,192 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:53,192 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 18:12:53,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:53,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:53,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:53,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:53,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:53,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:53,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:53,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:53,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:53,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:53,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:53,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:12:53,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:53,485 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:53,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:53,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1328227605, now seen corresponding path program 5 times [2021-07-14 18:12:53,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:53,486 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821979978] [2021-07-14 18:12:53,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:53,549 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 18:12:53,550 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:53,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821979978] [2021-07-14 18:12:53,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821979978] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:53,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426291465] [2021-07-14 18:12:53,550 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 18:12:53,580 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 18:12:53,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:12:53,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 18:12:53,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:53,655 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 18:12:53,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426291465] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:53,655 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:53,655 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-14 18:12:53,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620565475] [2021-07-14 18:12:53,656 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 18:12:53,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:53,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 18:12:53,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-14 18:12:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:53,657 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:53,657 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:12:53,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:53,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:53,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:53,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:53,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:53,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:12:53,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:53,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:53,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:53,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:53,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:53,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:53,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:12:53,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:12:53,980 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:53,981 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:53,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:53,981 INFO L82 PathProgramCache]: Analyzing trace with hash -605836011, now seen corresponding path program 6 times [2021-07-14 18:12:53,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:53,982 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701688727] [2021-07-14 18:12:53,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:54,098 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:12:54,099 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:54,099 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701688727] [2021-07-14 18:12:54,099 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701688727] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:54,099 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662635103] [2021-07-14 18:12:54,099 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 18:12:54,132 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 18:12:54,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:12:54,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 18:12:54,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:54,254 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:12:54,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662635103] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:54,256 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:54,256 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 16 [2021-07-14 18:12:54,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416064876] [2021-07-14 18:12:54,257 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 18:12:54,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:54,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 18:12:54,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-07-14 18:12:54,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:54,260 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:54,260 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 16 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 18:12:54,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:54,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:54,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:54,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:54,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:54,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:12:54,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:12:54,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:54,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:54,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:54,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:54,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:54,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:54,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:12:54,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:12:54,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:12:54,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 18:12:54,656 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:54,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:54,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1600318732, now seen corresponding path program 7 times [2021-07-14 18:12:54,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:54,657 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752292898] [2021-07-14 18:12:54,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:54,770 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 18:12:54,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:54,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752292898] [2021-07-14 18:12:54,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752292898] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:54,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968629381] [2021-07-14 18:12:54,771 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 18:12:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:54,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 18:12:54,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:54,921 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:12:54,921 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968629381] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:54,921 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:54,922 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-07-14 18:12:54,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082370538] [2021-07-14 18:12:54,922 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 18:12:54,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:54,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 18:12:54,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-07-14 18:12:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:54,923 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:54,923 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 15 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:12:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:12:54,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:12:54,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:12:54,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:55,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:55,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:55,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:55,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:55,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:55,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:12:55,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:12:55,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:12:55,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:12:55,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:55,309 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:55,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:55,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1751875372, now seen corresponding path program 8 times [2021-07-14 18:12:55,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:55,309 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536977804] [2021-07-14 18:12:55,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:55,406 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:12:55,406 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:55,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536977804] [2021-07-14 18:12:55,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536977804] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:55,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626959809] [2021-07-14 18:12:55,407 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) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:55,439 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 18:12:55,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:12:55,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 18:12:55,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:55,863 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-14 18:12:55,863 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:12:55,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-14 18:12:56,680 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 182 [2021-07-14 18:12:56,810 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 207 [2021-07-14 18:12:57,469 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 288 [2021-07-14 18:12:57,672 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-14 18:12:57,842 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-14 18:12:58,043 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 286 [2021-07-14 18:12:58,386 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 346 [2021-07-14 18:12:58,588 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-07-14 18:12:58,702 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 261 [2021-07-14 18:13:00,744 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 315 [2021-07-14 18:13:01,064 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 376 [2021-07-14 18:13:01,312 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 424 [2021-07-14 18:13:02,514 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 227 [2021-07-14 18:13:02,669 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 277 [2021-07-14 18:13:02,900 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 303 [2021-07-14 18:13:03,398 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 621 [2021-07-14 18:13:03,991 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 631 [2021-07-14 18:13:04,777 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 706 [2021-07-14 18:13:05,963 WARN L205 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 750 [2021-07-14 18:13:06,928 WARN L205 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-14 18:13:07,888 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-14 18:13:08,933 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1112 DAG size of output: 782 [2021-07-14 18:13:10,216 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 784 DAG size of output: 960 [2021-07-14 18:13:11,172 WARN L205 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 805 [2021-07-14 18:13:12,719 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 283 [2021-07-14 18:13:12,867 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 282 [2021-07-14 18:13:13,018 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 335 [2021-07-14 18:13:13,253 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 348 [2021-07-14 18:13:13,759 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 355 [2021-07-14 18:13:14,495 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 441 [2021-07-14 18:13:15,184 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 480 [2021-07-14 18:13:15,637 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 529 [2021-07-14 18:13:16,258 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-14 18:13:16,881 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-14 18:13:17,547 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 652 [2021-07-14 18:13:18,203 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 675 [2021-07-14 18:13:18,700 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 517 [2021-07-14 18:13:19,454 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:13:19,455 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:13:19,456 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:13:19,456 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-14 18:13:19,467 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:13:19,467 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626959809] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:13:19,467 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:13:19,468 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-07-14 18:13:19,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111445586] [2021-07-14 18:13:19,468 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 18:13:19,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:13:19,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 18:13:19,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-07-14 18:13:19,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:13:19,469 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:13:19,469 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 23 states have internal predecessors, (38), 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 18:13:19,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:13:19,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:19,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:19,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:13:19,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:13:19,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:13:19,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:19,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:13:19,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:13:19,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:13:19,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:13:19,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:19,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:19,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:13:19,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:13:19,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:13:19,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:19,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:13:19,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:13:19,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:19,785 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:13:19,785 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:13:19,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:13:19,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1509526260, now seen corresponding path program 9 times [2021-07-14 18:13:19,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:13:19,786 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260848699] [2021-07-14 18:13:19,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:13:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:13:19,962 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:13:19,963 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:13:19,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260848699] [2021-07-14 18:13:19,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260848699] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:13:19,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74240284] [2021-07-14 18:13:19,963 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 18:13:20,007 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 18:13:20,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:13:20,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 18:13:20,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:13:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:13:20,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74240284] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:13:20,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:13:20,073 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-07-14 18:13:20,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807581279] [2021-07-14 18:13:20,073 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 18:13:20,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:13:20,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 18:13:20,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-07-14 18:13:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:13:20,074 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:13:20,074 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:13:20,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:13:20,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:20,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:20,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:13:20,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:13:20,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:13:20,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:13:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:13:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:13:20,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:13:20,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:20,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:20,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:13:20,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:13:20,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:13:20,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:20,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:13:20,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:13:20,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:20,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 18:13:20,491 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-07-14 18:13:20,491 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:13:20,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:13:20,491 INFO L82 PathProgramCache]: Analyzing trace with hash -448597771, now seen corresponding path program 10 times [2021-07-14 18:13:20,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:13:20,492 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124787381] [2021-07-14 18:13:20,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:13:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:13:20,609 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:13:20,609 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:13:20,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124787381] [2021-07-14 18:13:20,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124787381] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:13:20,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338949405] [2021-07-14 18:13:20,609 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 18:13:20,637 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 18:13:20,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:13:20,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 18:13:20,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:13:21,353 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 18:13:21,353 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:13:21,354 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 18:13:22,247 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-14 18:13:22,393 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-14 18:13:22,980 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-14 18:13:23,551 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 321 [2021-07-14 18:13:23,741 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-14 18:13:23,986 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-14 18:13:24,430 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-14 18:13:24,974 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-14 18:13:25,841 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-14 18:13:26,064 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-14 18:13:26,277 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-14 18:13:27,068 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-14 18:13:27,701 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-14 18:13:27,977 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-14 18:13:28,320 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-14 18:13:28,742 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-14 18:13:29,463 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-14 18:13:30,300 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-14 18:13:31,775 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-14 18:13:32,960 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-14 18:13:33,163 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-14 18:13:33,821 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 344 [2021-07-14 18:13:33,946 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-14 18:13:34,322 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-14 18:13:34,774 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-14 18:13:35,511 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-14 18:13:35,656 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-14 18:13:35,839 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-14 18:13:36,371 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 370 [2021-07-14 18:13:37,152 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-14 18:13:37,443 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-14 18:13:37,816 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-14 18:13:38,466 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-14 18:13:39,199 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-14 18:13:40,508 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-14 18:13:43,735 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-14 18:13:47,471 WARN L205 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-14 18:13:51,815 WARN L205 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 18:13:56,104 WARN L205 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 18:14:01,155 WARN L205 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-14 18:14:05,872 WARN L205 SmtUtils]: Spent 4.70 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-14 18:14:10,917 WARN L205 SmtUtils]: Spent 5.03 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-14 18:14:18,804 WARN L205 SmtUtils]: Spent 7.87 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-14 18:14:18,989 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-14 18:14:20,072 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-14 18:14:21,949 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-14 18:14:28,420 WARN L205 SmtUtils]: Spent 6.46 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-14 18:14:28,721 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-14 18:14:29,002 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-14 18:14:29,951 WARN L205 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-14 18:14:31,699 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-14 18:14:31,920 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-14 18:14:32,218 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-14 18:14:32,671 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-14 18:14:33,510 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 185 [2021-07-14 18:14:33,640 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-14 18:14:33,969 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-14 18:14:34,269 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-14 18:14:34,723 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-14 18:14:35,745 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-14 18:14:36,985 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-14 18:14:37,257 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-14 18:14:38,177 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-14 18:14:38,409 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-14 18:14:38,725 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-14 18:14:39,594 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-14 18:14:39,804 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-14 18:14:40,062 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-14 18:14:40,404 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-14 18:14:41,117 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-14 18:14:42,053 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-14 18:14:42,899 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-14 18:14:43,071 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-14 18:14:43,304 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-14 18:14:43,599 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-14 18:14:44,597 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-14 18:14:44,743 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-14 18:14:44,950 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-14 18:14:45,219 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-14 18:14:45,568 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-14 18:14:46,287 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-14 18:14:48,103 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-14 18:14:51,068 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-14 18:14:54,469 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-14 18:14:58,854 WARN L205 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-14 18:14:59,930 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-14 18:15:00,291 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-14 18:15:00,862 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-14 18:15:01,919 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-14 18:15:02,116 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-14 18:15:02,386 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-14 18:15:02,774 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-14 18:15:02,957 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-14 18:15:03,952 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-14 18:15:04,135 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-14 18:15:05,055 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-14 18:15:05,220 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-14 18:15:05,611 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-14 18:15:06,149 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-14 18:15:06,907 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-14 18:15:08,137 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-14 18:15:09,812 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-14 18:15:10,493 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-14 18:15:11,084 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-14 18:15:11,462 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-14 18:15:11,577 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-14 18:15:13,325 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-14 18:15:13,484 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-14 18:15:13,777 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-14 18:15:14,386 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-14 18:15:15,321 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-14 18:15:16,687 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-14 18:15:20,111 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-14 18:15:23,994 WARN L205 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-14 18:15:29,564 WARN L205 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-14 18:15:40,563 WARN L205 SmtUtils]: Spent 10.98 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-14 18:15:41,800 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-14 18:15:42,362 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-14 18:15:43,131 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-14 18:15:43,635 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-14 18:15:44,441 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-14 18:15:44,644 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-14 18:15:44,862 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-14 18:15:45,732 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-14 18:15:46,548 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-14 18:15:47,434 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-14 18:15:48,637 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-14 18:15:49,060 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-14 18:15:49,849 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-14 18:15:50,805 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-14 18:15:52,012 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-14 18:15:53,298 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-14 18:15:55,159 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-14 18:15:57,693 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-14 18:15:58,496 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-14 18:15:58,859 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-14 18:15:59,144 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-14 18:16:00,334 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-14 18:16:01,178 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-14 18:16:01,445 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-14 18:16:01,830 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-14 18:16:02,529 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-14 18:16:03,562 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-14 18:16:03,740 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-14 18:16:04,459 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-14 18:16:04,633 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-14 18:16:04,909 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-14 18:16:06,157 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-14 18:16:08,006 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-14 18:16:12,859 WARN L205 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-14 18:16:19,535 WARN L205 SmtUtils]: Spent 6.66 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-14 18:16:26,989 WARN L205 SmtUtils]: Spent 7.44 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-14 18:16:27,654 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-14 18:16:28,368 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-14 18:16:28,530 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-14 18:16:29,229 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-14 18:16:30,243 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-14 18:16:30,407 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-14 18:16:30,624 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-14 18:16:30,929 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-14 18:16:31,297 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-14 18:16:31,752 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-14 18:16:32,300 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-14 18:16:33,563 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-14 18:16:33,825 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-14 18:16:34,153 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-14 18:16:34,611 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-14 18:16:35,136 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-14 18:16:35,779 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-14 18:16:37,095 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-14 18:16:37,984 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-14 18:16:38,143 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-14 18:16:38,400 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-14 18:16:38,724 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-14 18:16:38,918 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-14 18:16:39,338 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 278 [2021-07-14 18:16:39,564 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-14 18:16:39,790 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-14 18:16:40,074 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-14 18:16:40,793 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-14 18:16:41,858 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-14 18:16:44,308 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-14 18:16:47,538 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-14 18:16:47,672 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-14 18:16:48,275 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-14 18:16:48,498 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-14 18:16:49,098 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-14 18:16:49,434 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-14 18:16:50,431 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-14 18:16:50,582 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-14 18:16:50,775 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-14 18:16:51,064 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-14 18:16:51,464 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-14 18:16:52,311 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-14 18:16:53,497 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-14 18:16:54,733 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-14 18:16:54,958 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-14 18:16:55,238 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-14 18:16:55,599 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-14 18:16:57,325 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-14 18:17:02,433 WARN L205 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-14 18:17:08,300 WARN L205 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-14 18:17:22,725 WARN L205 SmtUtils]: Spent 14.41 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-14 18:17:50,684 WARN L205 SmtUtils]: Spent 27.93 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-14 18:17:51,696 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-14 18:17:51,874 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-14 18:18:23,043 WARN L205 SmtUtils]: Spent 31.15 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-14 18:18:59,999 WARN L205 SmtUtils]: Spent 36.91 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-14 18:19:01,064 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-14 18:19:01,263 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-14 18:19:01,500 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-14 18:19:39,314 WARN L205 SmtUtils]: Spent 37.80 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-14 18:20:17,748 WARN L205 SmtUtils]: Spent 38.38 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-14 18:21:03,051 WARN L205 SmtUtils]: Spent 45.25 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-14 18:21:06,595 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-14 18:21:06,757 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-14 18:21:08,152 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-14 18:21:08,772 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 240 [2021-07-14 18:21:11,670 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-14 18:21:11,816 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-14 18:21:11,960 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-14 18:21:13,023 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-14 18:21:13,699 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-14 18:21:14,617 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-14 18:21:15,368 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-14 18:21:15,702 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-14 18:21:16,410 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-14 18:21:16,577 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-14 18:21:16,958 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-14 18:21:17,291 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-14 18:21:17,701 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-14 18:21:18,996 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 207 [2021-07-14 18:21:19,233 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-14 18:21:19,560 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-14 18:21:20,350 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-14 18:21:21,382 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-14 18:21:22,793 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-14 18:21:23,676 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-14 18:21:24,746 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-14 18:21:25,035 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-14 18:21:25,731 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-14 18:21:25,938 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-14 18:21:26,286 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-14 18:21:26,526 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-14 18:21:27,153 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-14 18:21:27,325 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-14 18:21:28,126 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-14 18:21:28,305 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-14 18:21:28,702 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-14 18:21:29,611 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-14 18:21:30,113 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-14 18:21:30,397 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-14 18:21:31,174 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-14 18:21:32,177 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-14 18:21:33,486 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-14 18:21:35,231 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-14 18:21:37,419 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-14 18:21:40,121 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-14 18:21:44,614 WARN L205 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-14 18:21:50,718 WARN L205 SmtUtils]: Spent 6.10 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-14 18:21:51,115 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-14 18:21:51,312 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-14 18:21:51,509 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-14 18:21:51,843 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-14 18:21:53,361 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-14 18:21:53,530 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-14 18:21:53,776 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-14 18:21:54,153 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-14 18:21:54,689 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-14 18:21:54,963 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-14 18:21:56,176 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-14 18:21:56,343 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-14 18:21:56,540 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-14 18:21:56,826 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-14 18:21:57,188 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-14 18:21:57,751 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-14 18:21:58,326 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-14 18:21:59,530 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-14 18:22:00,940 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-14 18:22:02,849 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-14 18:22:03,074 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-14 18:22:03,324 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 18:22:03,492 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 18:22:03,667 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-14 18:22:04,765 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-14 18:22:04,961 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-14 18:22:05,211 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-14 18:22:05,553 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-14 18:22:06,022 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-14 18:22:06,202 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 18:22:06,375 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 18:22:07,466 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-14 18:22:07,638 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-14 18:22:07,899 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-14 18:22:08,281 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-14 18:22:09,245 WARN L205 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-14 18:22:10,528 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-14 18:22:13,783 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-14 18:22:23,329 WARN L205 SmtUtils]: Spent 9.54 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-14 18:22:34,222 WARN L205 SmtUtils]: Spent 10.52 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-14 18:22:46,900 WARN L205 SmtUtils]: Spent 12.66 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-14 18:22:59,911 WARN L205 SmtUtils]: Spent 12.99 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-14 18:23:13,135 WARN L205 SmtUtils]: Spent 13.20 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-14 18:23:28,633 WARN L205 SmtUtils]: Spent 15.48 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-14 18:24:31,792 WARN L205 SmtUtils]: Spent 1.05 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-14 18:25:40,843 WARN L205 SmtUtils]: Spent 1.15 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-14 18:26:50,657 WARN L205 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown