/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.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 23:49:21,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 23:49:21,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 23:49:21,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 23:49:21,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf [2021-07-14 23:49:21,330 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 23:49:21,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 23:49:21,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 23:49:21,331 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 23:49:21,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 23:49:21,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 23:49:21,333 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 23:49:21,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 23:49:21,334 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 23:49:21,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 23:49:21,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 23:49:21,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 23:49:21,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 23:49:21,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 23:49:21,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 23:49:21,335 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 23:49:21,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 23:49:21,335 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 23:49:21,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 23:49:21,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 23:49:21,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 23:49:21,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 23:49:21,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 23:49:21,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 23:49:21,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 23:49:21,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 23:49:21,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 23:49:21,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 23:49:21,336 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 23:49:21,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 23:49:21,337 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 23:49:21,337 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 23:49:21,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 23:49:21,337 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 23:49:21,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 23:49:21,337 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 23:49:21,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 23:49:21,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 23:49:21,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 23:49:21,584 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 23:49:21,586 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 23:49:21,586 INFO L432 ainManager$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 23:49:21,586 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 23:49:21,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 23:49:21,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 23:49:21,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 23:49:21,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 23:49:21,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 23:49:21,622 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 11:49:21" (1/1) ... [2021-07-14 23:49:21,629 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 11:49:21" (1/1) ... [2021-07-14 23:49:21,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 23:49:21,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 23:49:21,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 23:49:21,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 23:49:21,640 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 11:49:21" (1/1) ... [2021-07-14 23:49:21,641 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 11:49:21" (1/1) ... [2021-07-14 23:49:21,642 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 11:49:21" (1/1) ... [2021-07-14 23:49:21,642 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 11:49:21" (1/1) ... [2021-07-14 23:49:21,644 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 11:49:21" (1/1) ... [2021-07-14 23:49:21,646 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 11:49:21" (1/1) ... [2021-07-14 23:49:21,647 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 11:49:21" (1/1) ... [2021-07-14 23:49:21,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 23:49:21,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 23:49:21,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 23:49:21,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 23:49:21,649 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 11:49:21" (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 23:49:21,703 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 23:49:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 23:49:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 23:49:21,703 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 23:49:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 23:49:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 23:49:21,704 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 23:49:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 23:49:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 23:49:21,704 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 23:49:21,878 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 23:49:21,878 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 23:49:21,879 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 23:49:21,879 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 23:49:21,880 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:49:21 BoogieIcfgContainer [2021-07-14 23:49:21,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 23:49:21,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 23:49:21,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 23:49:21,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 23:49:21,883 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 11:49:21" (1/2) ... [2021-07-14 23:49:21,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d636f1 and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:49:21, skipping insertion in model container [2021-07-14 23:49:21,884 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 11:49:21" (2/2) ... [2021-07-14 23:49:21,885 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-07-14 23:49:21,888 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 23:49:21,888 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 23:49:21,904 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 23:49:21,906 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 23:49:21,940 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 23:49:21,954 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 23:49:21,987 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 23:49:21,988 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 23:49:21,988 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 23:49:21,988 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 23:49:21,988 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 23:49:21,988 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 23:49:21,988 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 23:49:21,988 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 23:49:22,041 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:22,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:22,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1034851945, now seen corresponding path program 1 times [2021-07-14 23:49:22,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:22,052 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136776318] [2021-07-14 23:49:22,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:22,179 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 23:49:22,179 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:22,179 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136776318] [2021-07-14 23:49:22,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136776318] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 23:49:22,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 23:49:22,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 23:49:22,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134264947] [2021-07-14 23:49:22,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 23:49:22,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:22,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 23:49:22,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 23:49:22,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:22,193 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:22,194 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 23:49:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:22,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:22,202 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 23:49:22,202 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:22,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:22,203 INFO L82 PathProgramCache]: Analyzing trace with hash -619637623, now seen corresponding path program 1 times [2021-07-14 23:49:22,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:22,203 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189925180] [2021-07-14 23:49:22,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:22,229 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 23:49:22,229 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:22,229 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189925180] [2021-07-14 23:49:22,230 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189925180] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:22,230 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033044212] [2021-07-14 23:49:22,230 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 23:49:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:22,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 23:49:22,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:22,335 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 23:49:22,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033044212] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:22,336 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:22,336 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-14 23:49:22,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591198979] [2021-07-14 23:49:22,338 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 23:49:22,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:22,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 23:49:22,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 23:49:22,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:22,340 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:22,340 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 23:49:22,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:22,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:22,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:22,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:22,593 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:22,593 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:22,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:22,594 INFO L82 PathProgramCache]: Analyzing trace with hash -2005825454, now seen corresponding path program 1 times [2021-07-14 23:49:22,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:22,594 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996004706] [2021-07-14 23:49:22,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:22,650 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 23:49:22,650 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:22,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996004706] [2021-07-14 23:49:22,651 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996004706] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:22,651 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699355356] [2021-07-14 23:49:22,651 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 23:49:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:22,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 23:49:22,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:22,698 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 23:49:22,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699355356] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:22,698 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:22,698 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 23:49:22,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13727571] [2021-07-14 23:49:22,699 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 23:49:22,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:22,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 23:49:22,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 23:49:22,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:22,700 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:22,700 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 23:49:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:22,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:22,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:22,920 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:22,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:22,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1462566514, now seen corresponding path program 2 times [2021-07-14 23:49:22,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:22,921 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362199911] [2021-07-14 23:49:22,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:22,963 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 23:49:22,964 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:22,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362199911] [2021-07-14 23:49:22,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362199911] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:22,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857470493] [2021-07-14 23:49:22,964 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 23:49:23,005 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 23:49:23,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:23,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 23:49:23,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:23,067 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 23:49:23,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857470493] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:23,067 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:23,067 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-14 23:49:23,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545177967] [2021-07-14 23:49:23,068 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 23:49:23,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:23,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 23:49:23,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 23:49:23,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:23,068 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:23,069 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 23:49:23,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:23,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:23,297 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:23,298 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:23,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:23,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1608535122, now seen corresponding path program 3 times [2021-07-14 23:49:23,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:23,298 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856793786] [2021-07-14 23:49:23,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:23,329 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 23:49:23,329 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:23,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856793786] [2021-07-14 23:49:23,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856793786] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:23,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235768534] [2021-07-14 23:49:23,329 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 23:49:23,363 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 23:49:23,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:23,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 23:49:23,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:23,501 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:49:23,502 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 23:49:23,534 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 23:49:23,535 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:49:23,536 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 23:49:23,536 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-14 23:49:23,553 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 23:49:23,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235768534] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:23,554 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:23,554 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-07-14 23:49:23,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421160818] [2021-07-14 23:49:23,554 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 23:49:23,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:23,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 23:49:23,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-14 23:49:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:23,556 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:23,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:23,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:23,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:23,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:23,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:23,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:23,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 23:49:23,804 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:23,805 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:23,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:23,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1838594674, now seen corresponding path program 4 times [2021-07-14 23:49:23,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:23,806 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022954470] [2021-07-14 23:49:23,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:23,869 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 23:49:23,870 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:23,870 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022954470] [2021-07-14 23:49:23,870 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022954470] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:23,870 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997463748] [2021-07-14 23:49:23,870 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 23:49:23,909 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 23:49:23,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:23,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 23:49:23,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:23,991 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 23:49:23,991 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997463748] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:23,991 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:23,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 23:49:23,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697192359] [2021-07-14 23:49:23,992 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 23:49:23,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:23,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 23:49:23,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-14 23:49:23,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:23,993 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:23,993 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 23:49:23,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:23,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:23,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 23:49:23,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 23:49:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:24,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:24,281 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:24,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:24,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1184931721, now seen corresponding path program 5 times [2021-07-14 23:49:24,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:24,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992505833] [2021-07-14 23:49:24,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:24,327 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 23:49:24,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:24,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992505833] [2021-07-14 23:49:24,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992505833] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:24,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755041440] [2021-07-14 23:49:24,327 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 23:49:24,351 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 23:49:24,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:24,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 23:49:24,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:24,403 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 23:49:24,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755041440] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:24,403 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:24,403 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-14 23:49:24,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162021602] [2021-07-14 23:49:24,403 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 23:49:24,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:24,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 23:49:24,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-14 23:49:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:24,404 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:24,404 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 23:49:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 23:49:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:24,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:24,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:24,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:24,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:24,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:24,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 23:49:24,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:24,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:24,699 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:24,699 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:24,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:24,700 INFO L82 PathProgramCache]: Analyzing trace with hash -749131895, now seen corresponding path program 6 times [2021-07-14 23:49:24,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:24,700 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559929127] [2021-07-14 23:49:24,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:24,788 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 23:49:24,788 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:24,788 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559929127] [2021-07-14 23:49:24,788 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559929127] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:24,788 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292736407] [2021-07-14 23:49:24,789 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 23:49:24,817 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 23:49:24,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:24,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 23:49:24,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:24,915 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 23:49:24,915 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292736407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:24,915 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:24,916 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 16 [2021-07-14 23:49:24,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115986135] [2021-07-14 23:49:24,916 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 23:49:24,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:24,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 23:49:24,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-07-14 23:49:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:24,917 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:24,917 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:24,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:24,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:24,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:24,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:24,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 23:49:24,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:24,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:24,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 23:49:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:25,295 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 23:49:25,295 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:25,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:25,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1725180590, now seen corresponding path program 7 times [2021-07-14 23:49:25,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:25,296 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040757353] [2021-07-14 23:49:25,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:25,389 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 23:49:25,389 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:25,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040757353] [2021-07-14 23:49:25,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040757353] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:25,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588803263] [2021-07-14 23:49:25,390 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 23:49:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:25,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 23:49:25,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:25,524 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 23:49:25,524 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588803263] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:25,524 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:25,524 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-07-14 23:49:25,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844232651] [2021-07-14 23:49:25,526 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 23:49:25,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:25,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 23:49:25,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-07-14 23:49:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:25,529 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:25,529 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 23:49:25,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:25,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:25,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:25,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:25,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 23:49:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:25,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:25,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:25,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 23:49:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:49:25,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:25,917 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:25,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:25,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1876737230, now seen corresponding path program 8 times [2021-07-14 23:49:25,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:25,918 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52764849] [2021-07-14 23:49:25,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:25,999 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 23:49:25,999 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:25,999 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52764849] [2021-07-14 23:49:25,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52764849] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:25,999 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758188062] [2021-07-14 23:49:25,999 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 23:49:26,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 23:49:26,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:26,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 23:49:26,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:26,443 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-14 23:49:26,444 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:49:26,444 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 23:49:27,299 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 207 [2021-07-14 23:49:28,026 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 288 [2021-07-14 23:49:28,151 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-14 23:49:28,276 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-14 23:49:28,445 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 286 [2021-07-14 23:49:28,726 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 346 [2021-07-14 23:49:28,921 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-07-14 23:49:29,032 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 261 [2021-07-14 23:49:29,636 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 148 [2021-07-14 23:49:30,148 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 219 [2021-07-14 23:49:31,043 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 315 [2021-07-14 23:49:31,353 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 376 [2021-07-14 23:49:31,614 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 424 [2021-07-14 23:49:32,650 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 227 [2021-07-14 23:49:32,820 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 277 [2021-07-14 23:49:33,059 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 303 [2021-07-14 23:49:33,606 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 621 [2021-07-14 23:49:34,255 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 631 [2021-07-14 23:49:35,057 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 706 [2021-07-14 23:49:36,222 WARN L205 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 750 [2021-07-14 23:49:37,249 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-14 23:49:38,285 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-14 23:49:39,396 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1112 DAG size of output: 782 [2021-07-14 23:49:40,778 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 784 DAG size of output: 960 [2021-07-14 23:49:41,799 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 737 DAG size of output: 805 [2021-07-14 23:49:43,231 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 282 [2021-07-14 23:49:43,393 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 335 [2021-07-14 23:49:43,650 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 348 [2021-07-14 23:49:44,094 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 355 [2021-07-14 23:49:44,839 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 441 [2021-07-14 23:49:45,404 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 480 [2021-07-14 23:49:45,900 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 529 [2021-07-14 23:49:46,597 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-14 23:49:47,262 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-14 23:49:47,983 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 652 [2021-07-14 23:49:48,698 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 675 [2021-07-14 23:49:49,243 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 517 [2021-07-14 23:49:49,982 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 23:49:49,983 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:49:49,983 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 23:49:49,984 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-14 23:49:49,988 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 23:49:49,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758188062] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:49,989 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:49,989 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-07-14 23:49:49,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684716531] [2021-07-14 23:49:49,989 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 23:49:49,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:49,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 23:49:49,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-07-14 23:49:49,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:49,990 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:49,990 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 23:49:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:49:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:50,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:50,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:50,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:50,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:50,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 23:49:50,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:50,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:50,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:50,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:49:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:50,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:50,281 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:50,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:50,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1384664402, now seen corresponding path program 9 times [2021-07-14 23:49:50,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:50,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119029719] [2021-07-14 23:49:50,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:50,417 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 23:49:50,417 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:50,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119029719] [2021-07-14 23:49:50,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119029719] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:50,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253530873] [2021-07-14 23:49:50,417 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 23:49:50,445 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 23:49:50,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:50,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 23:49:50,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:50,505 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 23:49:50,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253530873] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:50,505 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:50,505 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-07-14 23:49:50,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967243183] [2021-07-14 23:49:50,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 23:49:50,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:50,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 23:49:50,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-07-14 23:49:50,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:50,507 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:50,507 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 23:49:50,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:50,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:50,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:50,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:50,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 23:49:50,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:50,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:50,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:50,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:49:50,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:50,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 23:49:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:50,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:49:50,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:50,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 23:49:50,878 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-07-14 23:49:50,879 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:50,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:50,879 INFO L82 PathProgramCache]: Analyzing trace with hash -2004823, now seen corresponding path program 10 times [2021-07-14 23:49:50,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:50,879 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494401969] [2021-07-14 23:49:50,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:50,982 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 23:49:50,982 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:50,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494401969] [2021-07-14 23:49:50,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494401969] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:50,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538323352] [2021-07-14 23:49:50,982 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 23:49:51,068 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 23:49:51,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:51,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 23:49:51,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:51,665 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 23:49:51,665 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:49:51,666 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 23:49:52,477 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-14 23:49:52,627 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-14 23:49:53,833 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-14 23:49:54,084 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-14 23:49:54,533 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-14 23:49:55,066 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-14 23:49:55,871 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-14 23:49:56,045 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-14 23:49:56,261 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-14 23:49:56,933 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-14 23:49:57,564 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-14 23:49:57,842 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-14 23:49:58,189 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-14 23:49:58,618 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-14 23:49:59,341 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-14 23:50:00,213 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-14 23:50:01,720 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-14 23:50:02,771 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-14 23:50:02,978 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-14 23:50:03,760 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-14 23:50:04,146 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-14 23:50:04,627 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-14 23:50:05,411 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-14 23:50:05,596 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-14 23:50:05,781 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-14 23:50:06,916 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-07-14 23:50:07,160 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-14 23:50:07,467 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-14 23:50:07,847 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-14 23:50:08,472 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-14 23:50:09,219 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-14 23:50:10,552 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-14 23:50:13,821 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-14 23:50:17,675 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-14 23:50:22,030 WARN L205 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 23:50:26,422 WARN L205 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 23:50:31,534 WARN L205 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-14 23:50:36,343 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-14 23:50:41,573 WARN L205 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-14 23:50:49,673 WARN L205 SmtUtils]: Spent 8.08 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-14 23:50:49,840 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-14 23:50:50,922 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-14 23:50:52,843 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-14 23:50:59,407 WARN L205 SmtUtils]: Spent 6.55 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-14 23:50:59,715 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-14 23:50:59,999 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-14 23:51:00,988 WARN L205 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-14 23:51:01,258 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-14 23:51:02,768 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-14 23:51:02,991 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-14 23:51:03,301 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-14 23:51:03,783 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-14 23:51:04,604 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 185 [2021-07-14 23:51:04,746 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-14 23:51:05,077 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-14 23:51:05,385 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-14 23:51:05,846 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-14 23:51:06,884 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-14 23:51:08,160 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-14 23:51:08,442 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-14 23:51:09,361 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-14 23:51:09,603 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-14 23:51:09,913 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-14 23:51:10,813 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-14 23:51:11,010 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-14 23:51:11,274 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-14 23:51:11,610 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-14 23:51:12,353 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-14 23:51:13,318 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-14 23:51:14,184 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-14 23:51:14,353 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-14 23:51:14,593 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-14 23:51:14,905 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-14 23:51:15,900 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-14 23:51:16,049 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-14 23:51:16,259 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-14 23:51:16,539 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-14 23:51:16,895 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-14 23:51:17,626 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-14 23:51:19,533 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-14 23:51:22,594 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-14 23:51:26,095 WARN L205 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-14 23:51:30,610 WARN L205 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-14 23:51:31,717 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-14 23:51:32,082 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-14 23:51:32,661 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-14 23:51:33,696 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-14 23:51:33,912 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-14 23:51:34,178 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-14 23:51:34,560 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-14 23:51:34,750 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-14 23:51:35,697 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-14 23:51:35,891 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-14 23:51:36,798 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-14 23:51:36,957 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-14 23:51:37,350 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-14 23:51:37,901 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-14 23:51:38,663 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-14 23:51:39,910 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-14 23:51:41,601 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-14 23:51:42,301 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-14 23:51:42,922 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-14 23:51:43,298 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-14 23:51:43,408 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-14 23:51:44,926 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 224 [2021-07-14 23:51:45,056 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-14 23:51:45,211 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-14 23:51:45,510 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-14 23:51:46,137 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-14 23:51:47,110 WARN L205 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-14 23:51:48,523 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-14 23:51:51,898 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-14 23:51:55,838 WARN L205 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-14 23:52:01,438 WARN L205 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-14 23:52:12,575 WARN L205 SmtUtils]: Spent 11.12 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-14 23:52:13,824 WARN L205 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-14 23:52:14,389 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-14 23:52:15,192 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-14 23:52:15,693 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-14 23:52:16,503 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-14 23:52:16,712 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-14 23:52:16,951 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-14 23:52:17,825 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-14 23:52:18,686 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-14 23:52:19,648 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-14 23:52:20,729 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-14 23:52:21,170 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-14 23:52:21,961 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-14 23:52:22,958 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-14 23:52:24,177 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-14 23:52:25,472 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-14 23:52:27,365 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-14 23:52:29,920 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-14 23:52:30,742 WARN L205 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-14 23:52:31,105 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-14 23:52:31,392 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-14 23:52:32,650 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-14 23:52:33,626 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-14 23:52:33,910 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-14 23:52:34,318 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-14 23:52:35,056 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-14 23:52:36,137 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-14 23:52:36,336 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-14 23:52:36,876 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 266 [2021-07-14 23:52:37,203 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-14 23:52:37,391 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-14 23:52:37,682 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-14 23:52:38,956 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-14 23:52:40,849 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-14 23:52:45,707 WARN L205 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-14 23:52:52,502 WARN L205 SmtUtils]: Spent 6.78 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-14 23:53:00,099 WARN L205 SmtUtils]: Spent 7.58 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-14 23:53:00,785 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-14 23:53:01,504 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-14 23:53:01,674 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-14 23:53:02,382 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-14 23:53:03,329 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-14 23:53:03,505 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-14 23:53:03,737 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-14 23:53:04,062 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-14 23:53:04,434 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-14 23:53:04,889 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-14 23:53:05,443 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-14 23:53:06,701 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-14 23:53:06,959 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-14 23:53:07,287 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-14 23:53:07,747 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-14 23:53:08,271 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-14 23:53:08,919 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-14 23:53:10,250 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-14 23:53:11,136 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-14 23:53:11,302 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-14 23:53:11,549 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-14 23:53:11,876 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-14 23:53:12,070 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-14 23:53:12,702 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-14 23:53:12,936 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-14 23:53:13,234 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-14 23:53:13,933 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-14 23:53:15,046 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-14 23:53:17,542 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-14 23:53:20,832 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-14 23:53:20,970 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-14 23:53:21,578 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-14 23:53:21,767 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-14 23:53:22,379 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-14 23:53:22,757 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-14 23:53:23,796 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-14 23:53:23,941 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-14 23:53:24,154 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-14 23:53:24,447 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-14 23:53:24,856 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-14 23:53:25,731 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-14 23:53:26,929 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-14 23:53:27,974 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-07-14 23:53:28,152 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-14 23:53:28,381 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-14 23:53:28,663 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-14 23:53:29,035 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-14 23:53:30,798 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-14 23:53:36,030 WARN L205 SmtUtils]: Spent 5.22 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-14 23:53:41,986 WARN L205 SmtUtils]: Spent 5.94 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-14 23:53:56,649 WARN L205 SmtUtils]: Spent 14.65 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-14 23:54:24,961 WARN L205 SmtUtils]: Spent 28.29 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-14 23:54:25,991 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-14 23:54:26,175 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-14 23:54:57,803 WARN L205 SmtUtils]: Spent 31.61 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-14 23:55:35,690 WARN L205 SmtUtils]: Spent 37.84 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-14 23:55:36,769 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-14 23:55:36,973 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-14 23:55:37,219 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-14 23:56:15,735 WARN L205 SmtUtils]: Spent 38.50 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-14 23:56:54,917 WARN L205 SmtUtils]: Spent 39.13 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-14 23:57:41,293 WARN L205 SmtUtils]: Spent 46.32 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-14 23:57:44,905 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-14 23:57:45,064 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-14 23:57:46,478 WARN L205 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-14 23:57:50,119 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-14 23:57:50,274 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-14 23:57:50,422 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-14 23:57:51,510 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-14 23:57:52,216 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-14 23:57:53,186 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-14 23:57:53,941 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-14 23:57:54,290 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-14 23:57:55,004 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-14 23:57:55,183 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-14 23:57:55,570 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-14 23:57:55,917 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-14 23:57:56,340 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-14 23:57:57,861 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-14 23:57:58,178 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-14 23:57:58,983 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-14 23:58:00,037 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-14 23:58:01,466 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-14 23:58:02,363 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-14 23:58:03,459 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-14 23:58:03,754 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-14 23:58:04,418 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-14 23:58:04,642 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-14 23:58:05,001 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-14 23:58:05,248 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-14 23:58:05,898 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-14 23:58:06,081 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-14 23:58:06,876 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-14 23:58:07,069 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-14 23:58:07,492 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-14 23:58:08,424 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-14 23:58:08,929 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-14 23:58:09,218 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-14 23:58:10,024 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-14 23:58:11,034 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-14 23:58:12,335 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-14 23:58:14,069 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-14 23:58:16,267 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-14 23:58:19,027 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-14 23:58:23,682 WARN L205 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-14 23:58:29,819 WARN L205 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-14 23:58:30,231 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-14 23:58:30,429 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-14 23:58:30,634 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-14 23:58:30,979 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-14 23:58:32,510 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-14 23:58:32,685 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-14 23:58:32,929 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-14 23:58:33,328 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-14 23:58:33,871 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-14 23:58:33,994 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-07-14 23:58:34,154 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-14 23:58:34,259 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2021-07-14 23:58:35,372 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-14 23:58:35,548 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-14 23:58:35,752 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-14 23:58:36,055 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-14 23:58:36,430 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-14 23:58:36,995 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-14 23:58:37,642 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-14 23:58:38,887 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-14 23:58:40,328 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-14 23:58:42,279 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-14 23:58:42,531 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-14 23:58:42,802 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 23:58:42,977 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 23:58:43,156 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-14 23:58:44,256 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-14 23:58:44,453 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-14 23:58:44,713 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-14 23:58:45,066 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-14 23:58:45,544 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-14 23:58:45,724 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 23:58:45,899 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 23:58:46,972 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-14 23:58:47,149 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-14 23:58:47,415 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-14 23:58:47,804 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-14 23:58:48,794 WARN L205 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-14 23:58:50,126 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-14 23:58:53,447 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-14 23:59:03,034 WARN L205 SmtUtils]: Spent 9.58 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-14 23:59:14,188 WARN L205 SmtUtils]: Spent 10.79 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-14 23:59:27,100 WARN L205 SmtUtils]: Spent 12.89 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-14 23:59:40,183 WARN L205 SmtUtils]: Spent 13.06 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-14 23:59:53,525 WARN L205 SmtUtils]: Spent 13.32 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-15 00:00:08,947 WARN L205 SmtUtils]: Spent 15.40 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-15 00:01:13,624 WARN L205 SmtUtils]: Spent 1.08 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-15 00:02:23,959 WARN L205 SmtUtils]: Spent 1.17 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-15 00:03:33,527 WARN L205 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown