/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-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 06:04:02,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 06:04:02,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 06:04:02,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 06:04:02,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-07-14 06:04:02,211 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 06:04:02,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 06:04:02,212 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 06:04:02,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 06:04:02,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 06:04:02,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 06:04:02,214 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 06:04:02,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 06:04:02,215 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 06:04:02,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 06:04:02,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 06:04:02,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 06:04:02,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 06:04:02,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 06:04:02,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 06:04:02,216 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 06:04:02,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 06:04:02,216 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 06:04:02,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 06:04:02,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 06:04:02,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 06:04:02,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 06:04:02,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 06:04:02,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 06:04:02,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 06:04:02,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 06:04:02,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 06:04:02,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 06:04:02,224 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 06:04:02,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 06:04:02,225 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 06:04:02,225 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 06:04:02,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 06:04:02,225 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 06:04:02,225 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 06:04:02,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 06:04:02,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 06:04:02,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 06:04:02,482 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 06:04:02,485 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 06:04:02,485 INFO L432 ainManager$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 06:04:02,486 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 06:04:02,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 06:04:02,507 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 06:04:02,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 06:04:02,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 06:04:02,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 06:04:02,517 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 06:04:02" (1/1) ... [2021-07-14 06:04:02,522 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 06:04:02" (1/1) ... [2021-07-14 06:04:02,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 06:04:02,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 06:04:02,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 06:04:02,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 06:04:02,540 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 06:04:02" (1/1) ... [2021-07-14 06:04:02,540 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 06:04:02" (1/1) ... [2021-07-14 06:04:02,540 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 06:04:02" (1/1) ... [2021-07-14 06:04:02,540 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 06:04:02" (1/1) ... [2021-07-14 06:04:02,542 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 06:04:02" (1/1) ... [2021-07-14 06:04:02,543 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 06:04:02" (1/1) ... [2021-07-14 06:04:02,544 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 06:04:02" (1/1) ... [2021-07-14 06:04:02,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 06:04:02,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 06:04:02,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 06:04:02,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 06:04:02,546 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 06:04:02" (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 06:04:02,614 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 06:04:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 06:04:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 06:04:02,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 06:04:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 06:04:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 06:04:02,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 06:04:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 06:04:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 06:04:02,616 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 06:04:02,840 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 06:04:02,840 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 06:04:02,841 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 06:04:02,857 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 06:04:02,858 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:04:02 BoogieIcfgContainer [2021-07-14 06:04:02,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 06:04:02,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 06:04:02,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 06:04:02,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 06:04:02,861 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 06:04:02" (1/2) ... [2021-07-14 06:04:02,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d3f597 and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 06:04:02, skipping insertion in model container [2021-07-14 06:04:02,862 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 06:04:02" (2/2) ... [2021-07-14 06:04:02,863 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-07-14 06:04:02,866 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 06:04:02,866 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 06:04:02,867 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 06:04:02,867 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 06:04:02,905 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 06:04:02,925 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 06:04:02,991 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 06:04:02,991 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 06:04:02,991 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 06:04:02,992 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 06:04:02,992 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 06:04:02,992 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 06:04:02,992 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 06:04:02,992 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 06:04:03,018 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:03,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:03,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1040214325, now seen corresponding path program 1 times [2021-07-14 06:04:03,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:03,031 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144515863] [2021-07-14 06:04:03,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:03,144 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 06:04:03,144 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:03,145 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144515863] [2021-07-14 06:04:03,145 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144515863] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 06:04:03,145 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 06:04:03,145 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 06:04:03,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072979844] [2021-07-14 06:04:03,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 06:04:03,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:03,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 06:04:03,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 06:04:03,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:03,166 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:03,167 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 06:04:03,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:03,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:03,175 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 06:04:03,175 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:03,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:03,176 INFO L82 PathProgramCache]: Analyzing trace with hash -614275243, now seen corresponding path program 1 times [2021-07-14 06:04:03,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:03,176 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718044657] [2021-07-14 06:04:03,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:03,204 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 06:04:03,204 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:03,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718044657] [2021-07-14 06:04:03,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718044657] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:03,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625954640] [2021-07-14 06:04:03,204 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 06:04:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:03,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 06:04:03,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:03,318 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 06:04:03,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625954640] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:03,319 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:03,319 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-14 06:04:03,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837799023] [2021-07-14 06:04:03,321 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 06:04:03,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:03,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 06:04:03,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 06:04:03,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:03,332 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:03,332 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 06:04:03,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:03,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:03,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:03,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:03,572 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:03,573 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:03,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:03,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1861934924, now seen corresponding path program 1 times [2021-07-14 06:04:03,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:03,576 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899267538] [2021-07-14 06:04:03,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:03,628 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 06:04:03,628 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:03,628 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899267538] [2021-07-14 06:04:03,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899267538] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:03,628 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062720227] [2021-07-14 06:04:03,628 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 06:04:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:03,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 06:04:03,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:03,685 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 06:04:03,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062720227] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:03,686 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:03,686 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 06:04:03,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769402082] [2021-07-14 06:04:03,686 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 06:04:03,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:03,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 06:04:03,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 06:04:03,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:03,687 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:03,687 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 06:04:03,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:03,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:03,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:03,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:03,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:03,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:03,912 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:03,913 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:03,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:03,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1606457044, now seen corresponding path program 2 times [2021-07-14 06:04:03,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:03,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641838507] [2021-07-14 06:04:03,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:03,956 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 06:04:03,956 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:03,956 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641838507] [2021-07-14 06:04:03,956 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641838507] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:03,956 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675388975] [2021-07-14 06:04:03,956 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 06:04:03,994 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:04:03,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:03,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 06:04:03,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:04,062 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 06:04:04,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675388975] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:04,062 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:04,062 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-14 06:04:04,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358945356] [2021-07-14 06:04:04,063 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 06:04:04,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:04,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 06:04:04,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 06:04:04,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:04,063 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:04,063 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 06:04:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:04,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:04,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:04,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:04,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:04,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:04,313 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:04,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:04,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1752425652, now seen corresponding path program 3 times [2021-07-14 06:04:04,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:04,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717680021] [2021-07-14 06:04:04,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:04,354 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 06:04:04,355 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:04,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717680021] [2021-07-14 06:04:04,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717680021] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:04,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593846255] [2021-07-14 06:04:04,356 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 06:04:04,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 06:04:04,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:04,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 06:04:04,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:04,522 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:04:04,522 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 06:04:04,546 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:04:04,548 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:04:04,548 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:04:04,548 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-14 06:04:04,554 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 06:04:04,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593846255] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:04,554 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:04,554 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-07-14 06:04:04,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595249788] [2021-07-14 06:04:04,555 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 06:04:04,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:04,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 06:04:04,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-14 06:04:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:04,556 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:04,556 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 06:04:04,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:04,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:04,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:04,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:04,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:04,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:04,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:04,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:04,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:04,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:04:04,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:04,795 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:04,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:04,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1982485204, now seen corresponding path program 4 times [2021-07-14 06:04:04,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:04,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492825784] [2021-07-14 06:04:04,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:04,848 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 06:04:04,849 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:04,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492825784] [2021-07-14 06:04:04,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492825784] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:04,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170868325] [2021-07-14 06:04:04,849 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 06:04:04,874 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:04:04,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:04,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 06:04:04,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:04,940 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 06:04:04,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170868325] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:04,941 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:04,941 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 06:04:04,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712789559] [2021-07-14 06:04:04,941 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 06:04:04,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:04,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 06:04:04,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-14 06:04:04,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:04,942 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:04,942 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 06:04:04,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:04,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:04,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:04,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:04,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:04:04,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:05,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:05,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:05,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:05,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:05,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:04:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:05,237 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:05,237 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:05,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:05,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1328227605, now seen corresponding path program 5 times [2021-07-14 06:04:05,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:05,238 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523538104] [2021-07-14 06:04:05,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:05,297 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 06:04:05,298 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:05,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523538104] [2021-07-14 06:04:05,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523538104] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:05,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340267179] [2021-07-14 06:04:05,298 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 06:04:05,324 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 06:04:05,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:05,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 06:04:05,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:05,389 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 06:04:05,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340267179] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:05,389 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:05,389 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-14 06:04:05,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464231051] [2021-07-14 06:04:05,390 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 06:04:05,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:05,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 06:04:05,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-14 06:04:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:05,391 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:05,391 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 06:04:05,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:05,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:05,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:05,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:05,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:04:05,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:05,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:05,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:05,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:05,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:05,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:05,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:04:05,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:05,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:05,692 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:05,693 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:05,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:05,693 INFO L82 PathProgramCache]: Analyzing trace with hash -605836011, now seen corresponding path program 6 times [2021-07-14 06:04:05,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:05,693 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649833239] [2021-07-14 06:04:05,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:05,784 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 06:04:05,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:05,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649833239] [2021-07-14 06:04:05,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649833239] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:05,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268418406] [2021-07-14 06:04:05,784 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 06:04:05,824 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 06:04:05,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:05,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 06:04:05,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:05,950 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 06:04:05,950 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268418406] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:05,950 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:05,950 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 16 [2021-07-14 06:04:05,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797882567] [2021-07-14 06:04:05,951 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 06:04:05,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:05,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 06:04:05,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-07-14 06:04:05,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:05,952 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:05,952 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 06:04:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:04:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:06,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:04:06,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:06,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:06,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:06,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 06:04:06,308 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:06,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:06,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1600318732, now seen corresponding path program 7 times [2021-07-14 06:04:06,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:06,309 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80271241] [2021-07-14 06:04:06,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:06,395 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 06:04:06,395 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:06,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80271241] [2021-07-14 06:04:06,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80271241] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:06,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029552892] [2021-07-14 06:04:06,395 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 06:04:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:06,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 06:04:06,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:06,535 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 06:04:06,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029552892] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:06,536 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:06,536 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-07-14 06:04:06,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774576497] [2021-07-14 06:04:06,536 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 06:04:06,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:06,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 06:04:06,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-07-14 06:04:06,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:06,537 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:06,537 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 06:04:06,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:06,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:06,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:06,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:06,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:04:06,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:06,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:06,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:06,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:04:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 06:04:06,900 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:06,901 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:06,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:06,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1751875372, now seen corresponding path program 8 times [2021-07-14 06:04:06,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:06,901 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186969941] [2021-07-14 06:04:06,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:06,982 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 06:04:06,983 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:06,983 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186969941] [2021-07-14 06:04:06,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186969941] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:06,983 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965150896] [2021-07-14 06:04:06,983 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 06:04:07,010 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:04:07,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:07,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 06:04:07,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:07,385 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-14 06:04:07,388 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:04:07,389 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 06:04:08,551 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 288 [2021-07-14 06:04:08,679 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-14 06:04:08,824 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-14 06:04:08,980 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 286 [2021-07-14 06:04:09,273 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 346 [2021-07-14 06:04:09,495 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-07-14 06:04:11,084 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 224 [2021-07-14 06:04:11,289 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 315 [2021-07-14 06:04:11,608 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 376 [2021-07-14 06:04:11,870 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 424 [2021-07-14 06:04:12,957 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 227 [2021-07-14 06:04:13,132 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 277 [2021-07-14 06:04:13,371 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 303 [2021-07-14 06:04:13,948 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 621 [2021-07-14 06:04:14,583 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 631 [2021-07-14 06:04:15,381 WARN L205 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 706 [2021-07-14 06:04:16,555 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 750 [2021-07-14 06:04:17,594 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-14 06:04:18,672 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-14 06:04:19,798 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1112 DAG size of output: 782 [2021-07-14 06:04:21,191 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 784 DAG size of output: 960 [2021-07-14 06:04:22,210 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 737 DAG size of output: 805 [2021-07-14 06:04:23,618 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 282 [2021-07-14 06:04:23,786 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 335 [2021-07-14 06:04:24,035 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 348 [2021-07-14 06:04:24,523 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 355 [2021-07-14 06:04:25,234 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 441 [2021-07-14 06:04:25,804 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 480 [2021-07-14 06:04:26,291 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 529 [2021-07-14 06:04:26,971 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-14 06:04:27,635 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-14 06:04:28,349 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 652 [2021-07-14 06:04:29,087 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 675 [2021-07-14 06:04:29,705 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 517 [2021-07-14 06:04:29,886 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 201 [2021-07-14 06:04:30,600 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:04:30,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:04:30,602 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:04:30,602 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-14 06:04:30,607 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 06:04:30,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965150896] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:30,607 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:30,607 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-07-14 06:04:30,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865349697] [2021-07-14 06:04:30,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 06:04:30,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:30,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 06:04:30,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-07-14 06:04:30,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:30,609 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:30,609 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 06:04:30,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:30,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:30,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:30,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:30,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:04:30,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:30,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:30,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:30,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 06:04:30,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:04:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 06:04:30,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:30,917 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:30,919 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:30,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:30,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1509526260, now seen corresponding path program 9 times [2021-07-14 06:04:30,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:30,920 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601288561] [2021-07-14 06:04:30,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:31,093 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 06:04:31,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:31,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601288561] [2021-07-14 06:04:31,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601288561] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:31,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196150059] [2021-07-14 06:04:31,094 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 06:04:31,126 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 06:04:31,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:31,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 06:04:31,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:31,188 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 06:04:31,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196150059] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:31,188 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:31,188 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-07-14 06:04:31,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985796087] [2021-07-14 06:04:31,189 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 06:04:31,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:31,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 06:04:31,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-07-14 06:04:31,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:31,190 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:31,191 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 06:04:31,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:31,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:31,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:31,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:31,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:04:31,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:31,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:31,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:31,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 06:04:31,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:31,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:31,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:31,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:31,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:31,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:31,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:04:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 06:04:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:04:31,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-07-14 06:04:31,597 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:31,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:31,600 INFO L82 PathProgramCache]: Analyzing trace with hash -448597771, now seen corresponding path program 10 times [2021-07-14 06:04:31,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:31,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60127265] [2021-07-14 06:04:31,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:31,723 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 06:04:31,723 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:31,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60127265] [2021-07-14 06:04:31,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60127265] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:31,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421756211] [2021-07-14 06:04:31,724 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 06:04:31,766 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:04:31,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:31,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 06:04:31,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:32,471 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 06:04:32,472 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:04:32,472 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 06:04:33,301 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-14 06:04:33,512 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-14 06:04:34,716 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 321 [2021-07-14 06:04:34,911 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-14 06:04:35,256 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-14 06:04:35,775 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-14 06:04:36,344 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-14 06:04:37,137 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-14 06:04:37,334 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-14 06:04:37,599 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-14 06:04:37,909 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-14 06:04:38,706 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-14 06:04:39,460 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-14 06:04:39,746 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-14 06:04:40,170 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-14 06:04:40,619 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-14 06:04:41,341 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-14 06:04:42,185 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-14 06:04:43,689 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-14 06:04:44,730 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-14 06:04:44,936 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-14 06:04:45,570 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 344 [2021-07-14 06:04:45,697 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-14 06:04:46,075 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-14 06:04:46,543 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-14 06:04:47,248 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-14 06:04:47,398 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-14 06:04:47,585 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-14 06:04:48,139 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 370 [2021-07-14 06:04:48,701 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-07-14 06:04:48,949 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-14 06:04:49,318 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-14 06:04:49,703 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-14 06:04:50,345 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-14 06:04:51,107 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-14 06:04:52,516 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-14 06:04:55,871 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-14 06:04:59,682 WARN L205 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-14 06:05:04,247 WARN L205 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 06:05:09,031 WARN L205 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 06:05:14,344 WARN L205 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-14 06:05:19,310 WARN L205 SmtUtils]: Spent 4.95 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-14 06:05:25,932 WARN L205 SmtUtils]: Spent 6.60 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-14 06:05:35,317 WARN L205 SmtUtils]: Spent 9.37 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-14 06:05:35,508 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-14 06:05:36,671 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-14 06:05:38,782 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-14 06:05:45,481 WARN L205 SmtUtils]: Spent 6.68 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-14 06:05:45,787 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-14 06:05:46,071 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-14 06:05:47,085 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-14 06:05:47,380 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-14 06:05:48,989 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-14 06:05:49,278 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-14 06:05:49,605 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-14 06:05:50,099 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-14 06:05:50,207 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 337 [2021-07-14 06:05:50,988 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 185 [2021-07-14 06:05:51,132 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-14 06:05:51,472 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-14 06:05:51,855 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-14 06:05:52,418 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-14 06:05:53,482 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-14 06:05:54,792 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-14 06:05:55,082 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-14 06:05:56,038 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-14 06:05:56,287 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-14 06:05:56,619 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-14 06:05:57,522 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-14 06:05:57,717 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-14 06:05:57,978 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-14 06:05:58,317 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-14 06:05:59,066 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-14 06:06:00,027 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-14 06:06:00,899 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-14 06:06:01,065 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-14 06:06:01,300 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-14 06:06:01,611 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-14 06:06:02,597 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-14 06:06:02,751 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-14 06:06:02,957 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-14 06:06:03,237 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-14 06:06:03,613 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-14 06:06:04,421 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-14 06:06:06,301 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-14 06:06:09,349 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-14 06:06:12,838 WARN L205 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-14 06:06:17,328 WARN L205 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-14 06:06:18,454 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-14 06:06:18,833 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-14 06:06:19,475 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-14 06:06:20,522 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-14 06:06:20,726 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-14 06:06:21,003 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-14 06:06:21,399 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-14 06:06:21,590 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-14 06:06:22,569 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-14 06:06:22,770 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-14 06:06:23,699 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-14 06:06:23,859 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-14 06:06:24,244 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-14 06:06:24,790 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-14 06:06:25,550 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-14 06:06:26,774 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-14 06:06:28,467 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-14 06:06:29,151 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-14 06:06:29,763 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-14 06:06:30,143 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-14 06:06:30,263 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-14 06:06:31,904 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-14 06:06:32,104 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-14 06:06:32,469 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-14 06:06:33,113 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-14 06:06:34,216 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-14 06:06:35,785 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-14 06:06:40,096 WARN L205 SmtUtils]: Spent 4.30 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-14 06:06:44,336 WARN L205 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-14 06:06:49,961 WARN L205 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-14 06:07:01,203 WARN L205 SmtUtils]: Spent 11.23 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-14 06:07:02,500 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-14 06:07:03,066 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-14 06:07:03,865 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-14 06:07:04,357 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-14 06:07:05,180 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-14 06:07:05,388 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-14 06:07:05,619 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-14 06:07:06,525 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-14 06:07:07,395 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-14 06:07:08,335 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-14 06:07:09,427 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-14 06:07:09,883 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-14 06:07:10,687 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-14 06:07:11,694 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-14 06:07:12,913 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-14 06:07:14,203 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-14 06:07:16,096 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-14 06:07:18,692 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-14 06:07:19,506 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-14 06:07:19,884 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-14 06:07:20,172 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-14 06:07:20,303 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 289 [2021-07-14 06:07:21,552 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 184 [2021-07-14 06:07:21,807 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-14 06:07:22,975 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-14 06:07:23,385 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-14 06:07:23,821 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-14 06:07:24,914 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-14 06:07:26,341 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-14 06:07:26,615 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-14 06:07:27,143 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 266 [2021-07-14 06:07:27,549 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-14 06:07:27,762 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-14 06:07:28,163 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-14 06:07:29,924 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-14 06:07:31,784 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-14 06:07:36,689 WARN L205 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-14 06:07:43,490 WARN L205 SmtUtils]: Spent 6.79 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-14 06:07:51,114 WARN L205 SmtUtils]: Spent 7.61 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-14 06:07:51,783 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-14 06:07:52,534 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-14 06:07:52,706 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-14 06:07:53,421 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-14 06:07:54,366 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-14 06:07:54,520 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-14 06:07:54,756 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-14 06:07:55,068 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-14 06:07:55,443 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-14 06:07:55,906 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-14 06:07:56,471 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-14 06:07:57,740 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-14 06:07:57,997 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-14 06:07:58,328 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-14 06:07:58,799 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-14 06:07:59,335 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-14 06:07:59,996 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-14 06:08:01,339 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-14 06:08:02,251 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-14 06:08:02,417 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-14 06:08:02,669 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-14 06:08:02,998 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-14 06:08:03,194 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-14 06:08:03,891 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-14 06:08:04,153 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-14 06:08:04,490 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-14 06:08:05,195 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-14 06:08:06,313 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-14 06:08:09,034 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-14 06:08:13,496 WARN L205 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-14 06:08:13,664 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-14 06:08:14,407 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-14 06:08:14,659 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-14 06:08:15,282 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 227 [2021-07-14 06:08:15,488 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-14 06:08:16,016 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-14 06:08:16,140 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 280 [2021-07-14 06:08:17,267 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-14 06:08:17,410 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-14 06:08:17,638 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-14 06:08:17,927 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-14 06:08:18,356 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-14 06:08:19,225 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-14 06:08:20,462 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-14 06:08:21,571 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-07-14 06:08:21,755 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-14 06:08:21,990 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-14 06:08:22,280 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-14 06:08:22,663 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-14 06:08:24,487 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-14 06:08:29,895 WARN L205 SmtUtils]: Spent 5.40 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-14 06:08:36,029 WARN L205 SmtUtils]: Spent 6.12 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-14 06:08:51,272 WARN L205 SmtUtils]: Spent 15.23 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-14 06:09:20,966 WARN L205 SmtUtils]: Spent 29.66 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-14 06:09:21,900 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 249 [2021-07-14 06:09:22,072 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-14 06:09:22,264 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-14 06:09:57,158 WARN L205 SmtUtils]: Spent 34.88 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-14 06:10:39,546 WARN L205 SmtUtils]: Spent 42.34 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-14 06:10:40,096 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 255 [2021-07-14 06:10:40,716 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 285 [2021-07-14 06:10:40,841 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-14 06:10:41,049 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-14 06:10:41,303 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-14 06:11:21,404 WARN L205 SmtUtils]: Spent 40.08 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-14 06:12:02,208 WARN L205 SmtUtils]: Spent 40.76 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-14 06:12:52,598 WARN L205 SmtUtils]: Spent 50.33 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-14 06:12:56,294 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-14 06:12:56,477 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-14 06:12:57,965 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-14 06:12:58,750 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 240 [2021-07-14 06:13:02,507 WARN L205 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-14 06:13:02,706 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-14 06:13:02,850 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-14 06:13:03,991 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-14 06:13:04,850 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-14 06:13:06,021 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-14 06:13:06,818 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-14 06:13:07,195 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-14 06:13:07,945 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-14 06:13:08,120 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-14 06:13:08,515 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-14 06:13:08,886 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-14 06:13:09,319 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-14 06:13:10,668 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 207 [2021-07-14 06:13:10,918 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-14 06:13:11,250 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-14 06:13:12,094 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-14 06:13:13,206 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-14 06:13:14,674 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-14 06:13:15,591 WARN L205 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-14 06:13:16,723 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-14 06:13:17,019 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-14 06:13:17,726 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-14 06:13:17,945 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-14 06:13:18,308 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-14 06:13:18,447 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 266 [2021-07-14 06:13:18,581 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-14 06:13:19,238 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-14 06:13:19,422 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-14 06:13:20,263 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-14 06:13:20,471 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-14 06:13:20,899 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-14 06:13:21,033 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 242 [2021-07-14 06:13:21,896 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-14 06:13:22,451 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-14 06:13:22,758 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-14 06:13:23,585 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-14 06:13:24,658 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-14 06:13:26,028 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-14 06:13:27,802 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-14 06:13:30,098 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-14 06:13:32,924 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-14 06:13:37,850 WARN L205 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-14 06:13:44,438 WARN L205 SmtUtils]: Spent 6.58 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-14 06:13:44,550 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 638 [2021-07-14 06:13:45,077 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-14 06:13:45,377 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-14 06:13:45,709 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-14 06:13:46,256 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-14 06:13:46,871 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-14 06:13:48,022 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 133 [2021-07-14 06:13:48,324 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-14 06:13:48,603 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-14 06:13:49,002 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-14 06:13:49,414 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-14 06:13:50,083 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-14 06:13:50,208 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-07-14 06:13:50,472 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-14 06:13:50,634 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2021-07-14 06:13:52,161 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-14 06:13:52,423 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-14 06:13:52,707 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-14 06:13:53,143 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-14 06:13:53,583 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-14 06:13:54,321 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-14 06:13:55,108 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-14 06:13:56,376 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-14 06:13:57,880 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-14 06:13:59,871 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-14 06:14:00,113 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-14 06:14:00,371 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 06:14:00,542 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 06:14:00,725 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-14 06:14:01,879 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-14 06:14:02,136 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-14 06:14:02,420 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-14 06:14:02,772 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-14 06:14:03,266 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-14 06:14:03,458 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 06:14:03,669 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 06:14:04,789 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-14 06:14:04,972 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-14 06:14:05,242 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-14 06:14:05,648 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-14 06:14:06,674 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-14 06:14:08,048 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-14 06:14:11,497 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-14 06:14:21,467 WARN L205 SmtUtils]: Spent 9.96 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-14 06:14:33,123 WARN L205 SmtUtils]: Spent 11.26 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-14 06:14:46,498 WARN L205 SmtUtils]: Spent 13.36 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-14 06:15:00,322 WARN L205 SmtUtils]: Spent 13.80 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-14 06:15:15,099 WARN L205 SmtUtils]: Spent 14.76 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-14 06:15:31,658 WARN L205 SmtUtils]: Spent 16.54 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-14 06:16:40,638 WARN L205 SmtUtils]: Spent 1.15 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-14 06:17:54,491 WARN L205 SmtUtils]: Spent 1.23 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