/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 08:18:49,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 08:18:49,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 08:18:49,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 08:18:49,167 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-10 08:18:49,206 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 08:18:49,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 08:18:49,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 08:18:49,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 08:18:49,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 08:18:49,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 08:18:49,210 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 08:18:49,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 08:18:49,210 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 08:18:49,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 08:18:49,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 08:18:49,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 08:18:49,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 08:18:49,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 08:18:49,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 08:18:49,212 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 08:18:49,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 08:18:49,212 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 08:18:49,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 08:18:49,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 08:18:49,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 08:18:49,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 08:18:49,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 08:18:49,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 08:18:49,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 08:18:49,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 08:18:49,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 08:18:49,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 08:18:49,214 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 08:18:49,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 08:18:49,215 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 08:18:49,215 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 08:18:49,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 08:18:49,216 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 08:18:49,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 08:18:49,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 08:18:49,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 08:18:49,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 08:18:49,579 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 08:18:49,580 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 08:18:49,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-07-10 08:18:49,582 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-07-10 08:18:49,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 08:18:49,612 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 08:18:49,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 08:18:49,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 08:18:49,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 08:18:49,625 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 10.07 08:18:49" (1/1) ... [2021-07-10 08:18:49,633 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 10.07 08:18:49" (1/1) ... [2021-07-10 08:18:49,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 08:18:49,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 08:18:49,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 08:18:49,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 08:18:49,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:18:49" (1/1) ... [2021-07-10 08:18:49,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:18:49" (1/1) ... [2021-07-10 08:18:49,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:18:49" (1/1) ... [2021-07-10 08:18:49,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:18:49" (1/1) ... [2021-07-10 08:18:49,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:18:49" (1/1) ... [2021-07-10 08:18:49,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:18:49" (1/1) ... [2021-07-10 08:18:49,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:18:49" (1/1) ... [2021-07-10 08:18:49,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 08:18:49,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 08:18:49,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 08:18:49,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 08:18:49,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:18:49" (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 [2021-07-10 08:18:49,741 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 08:18:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 08:18:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 08:18:49,742 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 08:18:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 08:18:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 08:18:49,742 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 08:18:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 08:18:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 08:18:49,744 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 08:18:50,101 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 08:18:50,102 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 08:18:50,102 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 08:18:50,103 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 08:18:50,104 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:18:50 BoogieIcfgContainer [2021-07-10 08:18:50,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 08:18:50,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 08:18:50,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 08:18:50,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 08:18:50,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:18:49" (1/2) ... [2021-07-10 08:18:50,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f0eacac and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:18:50, skipping insertion in model container [2021-07-10 08:18:50,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:18:50" (2/2) ... [2021-07-10 08:18:50,111 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-07-10 08:18:50,119 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 08:18:50,119 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 08:18:50,119 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 08:18:50,120 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 08:18:50,171 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 08:18:50,201 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 [2021-07-10 08:18:50,258 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 08:18:50,258 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 08:18:50,259 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 08:18:50,259 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 08:18:50,259 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 08:18:50,259 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 08:18:50,259 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 08:18:50,259 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 08:18:50,323 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:18:50,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:18:50,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1893131829, now seen corresponding path program 1 times [2021-07-10 08:18:50,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:18:50,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818375938] [2021-07-10 08:18:50,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:18:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:18:50,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:18:50,492 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:18:50,492 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818375938] [2021-07-10 08:18:50,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818375938] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 08:18:50,494 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 08:18:50,494 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 08:18:50,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315199717] [2021-07-10 08:18:50,498 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 08:18:50,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:18:50,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 08:18:50,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 08:18:50,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:50,517 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:18:50,518 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) [2021-07-10 08:18:50,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:50,543 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 08:18:50,543 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:18:50,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:18:50,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1930821543, now seen corresponding path program 1 times [2021-07-10 08:18:50,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:18:50,548 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131458476] [2021-07-10 08:18:50,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:18:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:18:50,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:18:50,592 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:18:50,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131458476] [2021-07-10 08:18:50,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131458476] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:50,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843885622] [2021-07-10 08:18:50,593 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 [2021-07-10 08:18:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:18:50,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 08:18:50,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:18:50,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:18:50,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843885622] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:50,695 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:18:50,695 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-10 08:18:50,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626646319] [2021-07-10 08:18:50,696 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 08:18:50,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:18:50,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 08:18:50,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 08:18:50,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:50,698 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:18:50,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:18:50,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:50,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:50,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:50,945 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:18:50,945 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:18:50,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:18:50,945 INFO L82 PathProgramCache]: Analyzing trace with hash -251002636, now seen corresponding path program 1 times [2021-07-10 08:18:50,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:18:50,946 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065444722] [2021-07-10 08:18:50,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:18:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:18:51,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 08:18:51,006 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:18:51,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065444722] [2021-07-10 08:18:51,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065444722] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:51,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459669249] [2021-07-10 08:18:51,007 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 [2021-07-10 08:18:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:18:51,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 08:18:51,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:18:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 08:18:51,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459669249] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:51,069 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:18:51,069 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 08:18:51,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760173538] [2021-07-10 08:18:51,070 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 08:18:51,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:18:51,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 08:18:51,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 08:18:51,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:51,071 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:18:51,071 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) [2021-07-10 08:18:51,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:51,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:51,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:51,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:51,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:51,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:51,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:18:51,309 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:18:51,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:18:51,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1609074150, now seen corresponding path program 2 times [2021-07-10 08:18:51,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:18:51,310 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288450924] [2021-07-10 08:18:51,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:18:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:18:51,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 08:18:51,362 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:18:51,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288450924] [2021-07-10 08:18:51,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288450924] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:51,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612863495] [2021-07-10 08:18:51,362 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 [2021-07-10 08:18:51,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:18:51,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:18:51,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 08:18:51,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:18:51,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 08:18:51,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612863495] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:51,515 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:18:51,516 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-10 08:18:51,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77459131] [2021-07-10 08:18:51,516 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 08:18:51,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:18:51,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 08:18:51,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-10 08:18:51,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:51,517 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:18:51,517 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) [2021-07-10 08:18:51,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:51,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:51,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:51,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:51,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:51,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:51,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:51,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:18:51,782 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:18:51,783 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:18:51,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:18:51,783 INFO L82 PathProgramCache]: Analyzing trace with hash -858087628, now seen corresponding path program 3 times [2021-07-10 08:18:51,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:18:51,784 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542865643] [2021-07-10 08:18:51,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:18:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:18:51,830 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:18:51,830 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:18:51,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542865643] [2021-07-10 08:18:51,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542865643] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:51,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631954477] [2021-07-10 08:18:51,830 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 [2021-07-10 08:18:51,858 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 08:18:51,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:18:51,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 08:18:51,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:18:52,049 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:18:52,050 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 [2021-07-10 08:18:52,068 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:18:52,069 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:18:52,070 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:18:52,070 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-10 08:18:52,077 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:18:52,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631954477] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:52,078 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:18:52,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-07-10 08:18:52,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805599996] [2021-07-10 08:18:52,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 08:18:52,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:18:52,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 08:18:52,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-10 08:18:52,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:52,079 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:18:52,079 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) [2021-07-10 08:18:52,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:52,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:52,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:52,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:18:52,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:52,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:52,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:52,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:18:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:18:52,353 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:18:52,354 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:18:52,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:18:52,354 INFO L82 PathProgramCache]: Analyzing trace with hash -30691418, now seen corresponding path program 4 times [2021-07-10 08:18:52,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:18:52,355 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930682408] [2021-07-10 08:18:52,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:18:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:18:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:18:52,412 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:18:52,412 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930682408] [2021-07-10 08:18:52,412 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930682408] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:52,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64495287] [2021-07-10 08:18:52,413 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 [2021-07-10 08:18:52,442 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 08:18:52,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:18:52,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 08:18:52,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:18:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:18:52,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64495287] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:52,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:18:52,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-10 08:18:52,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295672443] [2021-07-10 08:18:52,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 08:18:52,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:18:52,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 08:18:52,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-10 08:18:52,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:52,500 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:18:52,500 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-07-10 08:18:52,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:52,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:52,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:52,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:18:52,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:18:52,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:52,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:52,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:52,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:52,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:18:52,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:18:52,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:18:52,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:18:52,813 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:18:52,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:18:52,813 INFO L82 PathProgramCache]: Analyzing trace with hash -928362283, now seen corresponding path program 5 times [2021-07-10 08:18:52,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:18:52,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134322017] [2021-07-10 08:18:52,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:18:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:18:52,891 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 08:18:52,891 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:18:52,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134322017] [2021-07-10 08:18:52,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134322017] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:52,894 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043177847] [2021-07-10 08:18:52,894 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 [2021-07-10 08:18:52,940 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-10 08:18:52,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:18:52,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-10 08:18:52,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:18:53,023 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 08:18:53,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043177847] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:53,024 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:18:53,024 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-10 08:18:53,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109036620] [2021-07-10 08:18:53,027 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 08:18:53,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:18:53,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 08:18:53,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-10 08:18:53,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:53,035 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:18:53,035 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) [2021-07-10 08:18:53,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:53,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:53,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:53,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:18:53,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:18:53,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:18:53,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:53,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:53,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:18:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:18:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:18:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:18:53,393 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:18:53,394 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:18:53,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:18:53,394 INFO L82 PathProgramCache]: Analyzing trace with hash 74628437, now seen corresponding path program 6 times [2021-07-10 08:18:53,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:18:53,395 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125115156] [2021-07-10 08:18:53,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:18:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:18:53,590 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:18:53,590 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:18:53,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125115156] [2021-07-10 08:18:53,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125115156] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:53,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759763626] [2021-07-10 08:18:53,591 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 [2021-07-10 08:18:53,627 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 08:18:53,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:18:53,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 08:18:53,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:18:53,775 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 08:18:53,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759763626] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:53,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:18:53,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 16 [2021-07-10 08:18:53,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698896198] [2021-07-10 08:18:53,777 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 08:18:53,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:18:53,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 08:18:53,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-07-10 08:18:53,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:53,778 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:18:53,779 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) [2021-07-10 08:18:53,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:53,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:53,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:53,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:18:53,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:18:53,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:18:53,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:18:53,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:53,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:53,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:53,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:53,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:18:53,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:18:53,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:18:53,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:18:53,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:18:54,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-10 08:18:54,205 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:18:54,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:18:54,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1958414074, now seen corresponding path program 7 times [2021-07-10 08:18:54,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:18:54,206 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757410961] [2021-07-10 08:18:54,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:18:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:18:54,304 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-10 08:18:54,304 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:18:54,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757410961] [2021-07-10 08:18:54,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757410961] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:54,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004592372] [2021-07-10 08:18:54,305 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 [2021-07-10 08:18:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:18:54,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 08:18:54,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:18:54,475 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 08:18:54,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004592372] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:54,476 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:18:54,476 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-07-10 08:18:54,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601065524] [2021-07-10 08:18:54,476 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 08:18:54,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:18:54,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 08:18:54,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-07-10 08:18:54,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:54,477 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:18:54,477 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) [2021-07-10 08:18:54,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:54,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:54,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:54,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:18:54,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:18:54,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:18:54,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:18:54,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:18:54,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:18:54,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:18:54,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:54,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:18:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:18:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:18:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:18:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:18:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:18:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:18:54,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:18:54,937 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:18:54,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:18:54,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1041767340, now seen corresponding path program 8 times [2021-07-10 08:18:54,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:18:54,937 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798807913] [2021-07-10 08:18:54,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:18:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:18:55,047 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:18:55,048 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:18:55,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798807913] [2021-07-10 08:18:55,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798807913] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:18:55,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684171697] [2021-07-10 08:18:55,048 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 [2021-07-10 08:18:55,080 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:18:55,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:18:55,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 08:18:55,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:18:55,584 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-10 08:18:55,585 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:18:55,585 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 [2021-07-10 08:18:56,455 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 182 [2021-07-10 08:18:57,087 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 183 [2021-07-10 08:18:57,282 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 288 [2021-07-10 08:18:57,469 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-10 08:18:57,648 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-10 08:18:57,848 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 286 [2021-07-10 08:18:58,153 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 346 [2021-07-10 08:18:58,411 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-07-10 08:18:58,583 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 261 [2021-07-10 08:19:00,590 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 224 [2021-07-10 08:19:00,766 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 315 [2021-07-10 08:19:01,121 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 376 [2021-07-10 08:19:01,398 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 424 [2021-07-10 08:19:02,190 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 172 [2021-07-10 08:19:02,849 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 227 [2021-07-10 08:19:03,029 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 277 [2021-07-10 08:19:03,302 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 303 [2021-07-10 08:19:03,885 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 621 [2021-07-10 08:19:04,547 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 631 [2021-07-10 08:19:05,407 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 706 [2021-07-10 08:19:06,696 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1019 DAG size of output: 750 [2021-07-10 08:19:07,782 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-10 08:19:08,860 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-10 08:19:10,024 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1112 DAG size of output: 782 [2021-07-10 08:19:11,462 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 784 DAG size of output: 960 [2021-07-10 08:19:12,541 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 737 DAG size of output: 805 [2021-07-10 08:19:14,245 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 283 [2021-07-10 08:19:14,371 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 282 [2021-07-10 08:19:14,562 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 335 [2021-07-10 08:19:14,840 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 348 [2021-07-10 08:19:15,397 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 355 [2021-07-10 08:19:16,191 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 441 [2021-07-10 08:19:16,825 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 480 [2021-07-10 08:19:17,344 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 529 [2021-07-10 08:19:18,050 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-10 08:19:18,755 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-10 08:19:19,566 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 652 [2021-07-10 08:19:20,308 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 675 [2021-07-10 08:19:20,849 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 517 [2021-07-10 08:19:21,707 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:19:21,709 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:19:21,709 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:19:21,709 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-10 08:19:21,716 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:21,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684171697] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:21,717 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:19:21,717 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-07-10 08:19:21,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472371574] [2021-07-10 08:19:21,717 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 08:19:21,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:21,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 08:19:21,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-07-10 08:19:21,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:21,718 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:21,718 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) [2021-07-10 08:19:21,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:21,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:21,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:21,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:21,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:19:21,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:19:21,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:21,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:19:21,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:19:21,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:21,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:21,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:21,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:21,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:21,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:19:21,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:19:21,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:21,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:19:21,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:19:21,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 08:19:22,133 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:19:22,133 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:22,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:22,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1840489338, now seen corresponding path program 9 times [2021-07-10 08:19:22,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:22,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436871758] [2021-07-10 08:19:22,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:22,280 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:22,280 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:22,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436871758] [2021-07-10 08:19:22,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436871758] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:22,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878144368] [2021-07-10 08:19:22,280 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 [2021-07-10 08:19:22,317 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 08:19:22,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:19:22,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 08:19:22,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:22,399 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:22,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878144368] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:22,399 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:19:22,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-07-10 08:19:22,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970204031] [2021-07-10 08:19:22,400 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 08:19:22,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:19:22,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 08:19:22,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-07-10 08:19:22,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:22,401 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:19:22,401 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:19:22,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:22,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:22,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:22,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:22,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:19:22,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:19:22,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:22,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:19:22,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:19:22,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 08:19:22,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:19:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 08:19:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:19:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:19:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:19:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:19:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:19:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:19:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:19:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 08:19:22,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 08:19:22,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-07-10 08:19:22,885 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:19:22,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:19:22,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1197522955, now seen corresponding path program 10 times [2021-07-10 08:19:22,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:19:22,886 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433608272] [2021-07-10 08:19:22,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:19:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:19:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:19:23,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:19:23,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433608272] [2021-07-10 08:19:23,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433608272] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:19:23,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285518948] [2021-07-10 08:19:23,033 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 [2021-07-10 08:19:23,082 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 08:19:23,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:19:23,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-10 08:19:23,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:19:23,885 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-10 08:19:23,886 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:19:23,886 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 [2021-07-10 08:19:24,917 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-10 08:19:25,077 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-10 08:19:26,255 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 321 [2021-07-10 08:19:26,459 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-10 08:19:26,718 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-10 08:19:27,199 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-10 08:19:27,788 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-10 08:19:28,785 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-10 08:19:28,972 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-10 08:19:29,198 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-10 08:19:29,990 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-10 08:19:30,533 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 365 [2021-07-10 08:19:30,656 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-10 08:19:30,951 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-10 08:19:31,325 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-10 08:19:31,785 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-10 08:19:32,557 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-10 08:19:33,493 WARN L205 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-10 08:19:35,156 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-10 08:19:36,422 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-10 08:19:36,639 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-10 08:19:37,416 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 344 [2021-07-10 08:19:37,585 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-10 08:19:38,017 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-10 08:19:38,515 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-10 08:19:39,272 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-10 08:19:39,436 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-10 08:19:39,631 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-10 08:19:40,234 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 370 [2021-07-10 08:19:40,825 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-07-10 08:19:41,070 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-10 08:19:41,398 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-10 08:19:41,796 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-10 08:19:42,487 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-10 08:19:43,276 WARN L205 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-10 08:19:44,690 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-10 08:19:48,180 WARN L205 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-10 08:19:52,220 WARN L205 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-10 08:19:56,793 WARN L205 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-10 08:20:01,365 WARN L205 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-10 08:20:06,852 WARN L205 SmtUtils]: Spent 5.48 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-10 08:20:11,909 WARN L205 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-10 08:20:17,380 WARN L205 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-10 08:20:25,919 WARN L205 SmtUtils]: Spent 8.52 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-10 08:20:26,103 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-10 08:20:27,268 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 176 [2021-07-10 08:20:27,434 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-10 08:20:30,417 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-10 08:20:37,315 WARN L205 SmtUtils]: Spent 6.88 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-10 08:20:37,628 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-10 08:20:37,929 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-10 08:20:38,951 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-10 08:20:39,252 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-10 08:20:40,772 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-10 08:20:41,007 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-10 08:20:41,327 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-10 08:20:41,824 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-10 08:20:41,928 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 337 [2021-07-10 08:20:42,731 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 185 [2021-07-10 08:20:42,887 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-10 08:20:43,242 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-10 08:20:43,558 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-10 08:20:44,047 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-10 08:20:45,133 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-10 08:20:46,464 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-10 08:20:46,763 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-10 08:20:47,759 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-10 08:20:48,022 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-10 08:20:48,350 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-10 08:20:48,509 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 272 [2021-07-10 08:20:49,282 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-10 08:20:49,497 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-10 08:20:49,779 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-10 08:20:50,137 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-10 08:20:50,911 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-10 08:20:51,918 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-10 08:20:52,833 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-10 08:20:53,012 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-10 08:20:53,257 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-10 08:20:53,580 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-10 08:20:54,685 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-10 08:20:54,854 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-10 08:20:55,070 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-10 08:20:55,365 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-10 08:20:55,738 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-10 08:20:56,499 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-10 08:20:58,430 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-10 08:21:01,570 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-10 08:21:05,268 WARN L205 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-10 08:21:09,953 WARN L205 SmtUtils]: Spent 4.67 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-10 08:21:11,124 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-10 08:21:11,507 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-10 08:21:12,123 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-10 08:21:13,008 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 219 [2021-07-10 08:21:13,265 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-10 08:21:13,473 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-10 08:21:13,760 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-10 08:21:14,168 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-10 08:21:14,364 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-10 08:21:15,408 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-10 08:21:15,624 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-10 08:21:16,655 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-10 08:21:16,836 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-10 08:21:17,246 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-10 08:21:17,800 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-10 08:21:18,655 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-10 08:21:19,934 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-10 08:21:21,706 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-10 08:21:22,437 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-10 08:21:23,092 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-10 08:21:23,496 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-10 08:21:23,617 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-10 08:21:25,372 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 224 [2021-07-10 08:21:25,521 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-10 08:21:25,684 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-10 08:21:26,001 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-10 08:21:26,650 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-10 08:21:27,652 WARN L205 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-10 08:21:29,083 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-10 08:21:32,670 WARN L205 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-10 08:21:36,793 WARN L205 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-10 08:21:42,709 WARN L205 SmtUtils]: Spent 5.91 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-10 08:21:54,415 WARN L205 SmtUtils]: Spent 11.69 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-10 08:21:55,746 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-10 08:21:56,352 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-10 08:21:57,174 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-10 08:21:57,705 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-10 08:21:58,557 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-10 08:21:58,768 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-10 08:21:59,003 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-10 08:21:59,923 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-10 08:22:00,791 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-10 08:22:01,735 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-10 08:22:02,574 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 207 [2021-07-10 08:22:02,872 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-10 08:22:03,335 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-10 08:22:04,188 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-10 08:22:05,205 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-10 08:22:06,485 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-10 08:22:07,865 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-10 08:22:09,863 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-10 08:22:12,576 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-10 08:22:13,440 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-10 08:22:13,836 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-10 08:22:14,140 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-10 08:22:15,415 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-10 08:22:16,328 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-10 08:22:16,629 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-10 08:22:17,044 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-10 08:22:17,798 WARN L205 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-10 08:22:18,963 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-10 08:22:19,198 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-10 08:22:19,953 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-10 08:22:20,141 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-10 08:22:20,448 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-10 08:22:21,792 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-10 08:22:23,763 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-10 08:22:28,907 WARN L205 SmtUtils]: Spent 5.14 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-10 08:22:35,985 WARN L205 SmtUtils]: Spent 7.07 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-10 08:22:43,903 WARN L205 SmtUtils]: Spent 7.91 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-10 08:22:44,604 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-10 08:22:45,423 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-10 08:22:45,606 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-10 08:22:46,055 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 275 [2021-07-10 08:22:46,354 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-10 08:22:47,360 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-10 08:22:47,521 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-10 08:22:47,760 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-10 08:22:48,080 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-10 08:22:48,506 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-10 08:22:49,091 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-10 08:22:49,676 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-10 08:22:51,010 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-10 08:22:51,286 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-10 08:22:51,661 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-10 08:22:52,147 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-10 08:22:52,713 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-10 08:22:53,406 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-10 08:22:54,822 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-10 08:22:55,768 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-10 08:22:55,934 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-10 08:22:56,201 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-10 08:22:56,542 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-10 08:22:56,746 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-10 08:22:57,177 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 278 [2021-07-10 08:22:57,416 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-10 08:22:57,658 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-10 08:22:57,960 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-10 08:22:58,717 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-10 08:22:59,863 WARN L205 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-10 08:23:02,476 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-10 08:23:06,113 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-10 08:23:06,258 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-10 08:23:06,888 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-10 08:23:07,096 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-10 08:23:07,739 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-10 08:23:08,104 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-10 08:23:09,185 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-10 08:23:09,336 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-10 08:23:09,539 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-10 08:23:09,852 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-10 08:23:10,286 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-10 08:23:11,190 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-10 08:23:12,425 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-10 08:23:13,537 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-07-10 08:23:13,720 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-10 08:23:13,969 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-10 08:23:14,269 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-10 08:23:14,658 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-10 08:23:16,509 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-10 08:23:22,057 WARN L205 SmtUtils]: Spent 5.54 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-10 08:23:28,331 WARN L205 SmtUtils]: Spent 6.26 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-10 08:23:43,874 WARN L205 SmtUtils]: Spent 15.53 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-10 08:24:13,668 WARN L205 SmtUtils]: Spent 29.77 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-10 08:24:14,743 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-10 08:24:14,940 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-10 08:24:48,373 WARN L205 SmtUtils]: Spent 33.42 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-10 08:25:27,947 WARN L205 SmtUtils]: Spent 39.52 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-10 08:25:28,963 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 285 [2021-07-10 08:25:29,086 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-10 08:25:29,292 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-10 08:25:29,548 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-10 08:26:09,895 WARN L205 SmtUtils]: Spent 40.33 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-10 08:26:50,451 WARN L205 SmtUtils]: Spent 40.51 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-10 08:27:38,596 WARN L205 SmtUtils]: Spent 48.09 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-10 08:27:42,334 WARN L205 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-10 08:27:42,496 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-10 08:27:43,968 WARN L205 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-10 08:27:44,621 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 240 [2021-07-10 08:27:47,694 WARN L205 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-10 08:27:47,857 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-10 08:27:48,003 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-10 08:27:49,285 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-10 08:27:50,019 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-10 08:27:50,996 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-10 08:27:51,797 WARN L205 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-10 08:27:52,153 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-10 08:27:52,885 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-10 08:27:53,068 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-10 08:27:53,458 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-10 08:27:53,825 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-10 08:27:54,256 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-10 08:27:55,865 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-10 08:27:56,192 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-10 08:27:57,028 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-10 08:27:58,129 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-10 08:27:59,639 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-10 08:28:00,582 WARN L205 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-10 08:28:01,719 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-10 08:28:02,025 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-10 08:28:02,741 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-10 08:28:02,968 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-10 08:28:03,336 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-10 08:28:03,591 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-10 08:28:04,265 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-10 08:28:04,444 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-10 08:28:05,315 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-10 08:28:05,505 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-10 08:28:05,928 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-10 08:28:06,064 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 242 [2021-07-10 08:28:06,890 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-10 08:28:07,433 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-10 08:28:07,746 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-10 08:28:08,573 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-10 08:28:09,624 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-10 08:28:10,979 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-10 08:28:12,772 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-10 08:28:15,064 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-10 08:28:17,897 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-10 08:28:22,659 WARN L205 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-10 08:28:29,068 WARN L205 SmtUtils]: Spent 6.40 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-10 08:28:29,487 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-10 08:28:29,689 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-10 08:28:29,900 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-10 08:28:30,253 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-10 08:28:31,844 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-10 08:28:32,030 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-10 08:28:32,281 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-10 08:28:32,688 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-10 08:28:33,241 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-10 08:28:33,380 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-07-10 08:28:33,560 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-10 08:28:33,664 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2021-07-10 08:28:34,836 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-10 08:28:35,011 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-10 08:28:35,218 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-10 08:28:35,521 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-10 08:28:35,909 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-10 08:28:36,510 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-10 08:28:37,120 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-10 08:28:38,414 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-10 08:28:39,920 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-10 08:28:41,944 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-10 08:28:42,190 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-10 08:28:42,463 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-10 08:28:42,646 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-10 08:28:42,830 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-10 08:28:43,994 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-10 08:28:44,204 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-10 08:28:44,465 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-10 08:28:44,826 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-10 08:28:45,319 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-10 08:28:45,512 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-10 08:28:45,697 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-10 08:28:46,845 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-10 08:28:47,031 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-10 08:28:47,311 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-10 08:28:47,714 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-10 08:28:48,797 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-10 08:28:50,169 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-10 08:28:53,606 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-10 08:29:03,555 WARN L205 SmtUtils]: Spent 9.94 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-10 08:29:15,231 WARN L205 SmtUtils]: Spent 11.28 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-10 08:29:28,642 WARN L205 SmtUtils]: Spent 13.39 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-10 08:29:42,217 WARN L205 SmtUtils]: Spent 13.56 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-10 08:29:55,941 WARN L205 SmtUtils]: Spent 13.71 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-10 08:30:11,867 WARN L205 SmtUtils]: Spent 15.91 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-10 08:31:17,941 WARN L205 SmtUtils]: Spent 1.10 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-10 08:32:30,374 WARN L205 SmtUtils]: Spent 1.21 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