/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 14:41:21,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 14:41:21,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 14:41:21,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 14:41:21,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 14:41:21,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 14:41:21,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 14:41:21,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 14:41:21,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 14:41:21,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 14:41:21,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 14:41:21,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 14:41:21,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 14:41:21,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 14:41:21,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 14:41:21,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 14:41:21,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 14:41:21,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf [2021-07-10 14:41:21,313 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 14:41:21,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 14:41:21,314 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 14:41:21,314 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 14:41:21,315 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 14:41:21,315 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 14:41:21,315 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 14:41:21,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 14:41:21,315 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 14:41:21,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 14:41:21,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 14:41:21,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 14:41:21,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 14:41:21,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 14:41:21,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 14:41:21,316 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 14:41:21,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 14:41:21,316 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 14:41:21,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 14:41:21,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 14:41:21,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 14:41:21,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 14:41:21,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 14:41:21,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 14:41:21,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 14:41:21,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 14:41:21,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 14:41:21,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 14:41:21,318 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 14:41:21,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 14:41:21,318 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 14:41:21,318 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 14:41:21,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 14:41:21,318 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 14:41:21,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 14:41:21,319 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 14:41:21,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 14:41:21,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 14:41:21,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 14:41:21,609 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 14:41:21,609 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 14:41:21,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl [2021-07-10 14:41:21,610 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl' [2021-07-10 14:41:21,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 14:41:21,627 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 14:41:21,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 14:41:21,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 14:41:21,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 14:41:21,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:21" (1/1) ... [2021-07-10 14:41:21,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:21" (1/1) ... [2021-07-10 14:41:21,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 14:41:21,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 14:41:21,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 14:41:21,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 14:41:21,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:21" (1/1) ... [2021-07-10 14:41:21,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:21" (1/1) ... [2021-07-10 14:41:21,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:21" (1/1) ... [2021-07-10 14:41:21,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:21" (1/1) ... [2021-07-10 14:41:21,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:21" (1/1) ... [2021-07-10 14:41:21,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:21" (1/1) ... [2021-07-10 14:41:21,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:21" (1/1) ... [2021-07-10 14:41:21,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 14:41:21,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 14:41:21,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 14:41:21,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 14:41:21,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 14:41:21,722 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 14:41:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 14:41:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 14:41:21,723 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 14:41:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 14:41:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 14:41:21,723 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 14:41:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 14:41:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 14:41:21,724 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 14:41:21,893 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 14:41:21,894 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 14:41:21,894 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 14:41:21,894 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 14:41:21,896 INFO L202 PluginConnector]: Adding new model unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:41:21 BoogieIcfgContainer [2021-07-10 14:41:21,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 14:41:21,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 14:41:21,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 14:41:21,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 14:41:21,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:21" (1/2) ... [2021-07-10 14:41:21,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f1b54d and model type unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:41:21, skipping insertion in model container [2021-07-10 14:41:21,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:41:21" (2/2) ... [2021-07-10 14:41:21,900 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.bpl [2021-07-10 14:41:21,904 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 14:41:21,904 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 14:41:21,904 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 14:41:21,904 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 14:41:21,931 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 14:41:21,946 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 14:41:22,001 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 14:41:22,001 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 14:41:22,001 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 14:41:22,001 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 14:41:22,001 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 14:41:22,001 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 14:41:22,001 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 14:41:22,002 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 14:41:22,048 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:22,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:22,052 INFO L82 PathProgramCache]: Analyzing trace with hash -529611317, now seen corresponding path program 1 times [2021-07-10 14:41:22,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:22,064 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789682852] [2021-07-10 14:41:22,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:22,185 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 14:41:22,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:22,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789682852] [2021-07-10 14:41:22,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789682852] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:41:22,188 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:41:22,188 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 14:41:22,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842562662] [2021-07-10 14:41:22,191 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 14:41:22,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:22,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 14:41:22,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 14:41:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:22,204 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:22,205 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 14:41:22,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:22,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:22,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 14:41:22,236 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:22,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:22,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1611843751, now seen corresponding path program 1 times [2021-07-10 14:41:22,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:22,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453096584] [2021-07-10 14:41:22,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:22,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:22,261 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:22,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453096584] [2021-07-10 14:41:22,262 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453096584] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:41:22,262 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:41:22,262 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 14:41:22,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029909172] [2021-07-10 14:41:22,263 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 14:41:22,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:22,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 14:41:22,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 14:41:22,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:22,264 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:22,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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 14:41:22,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:22,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:22,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:22,280 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 14:41:22,280 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:22,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:22,280 INFO L82 PathProgramCache]: Analyzing trace with hash -662802848, now seen corresponding path program 1 times [2021-07-10 14:41:22,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:22,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580940659] [2021-07-10 14:41:22,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:22,322 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 14:41:22,322 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:22,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580940659] [2021-07-10 14:41:22,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580940659] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:22,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865838174] [2021-07-10 14:41:22,324 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 14:41:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:22,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 14:41:22,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:22,452 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 14:41:22,452 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865838174] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:22,452 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:22,452 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 14:41:22,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004619281] [2021-07-10 14:41:22,453 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 14:41:22,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:22,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 14:41:22,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 14:41:22,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:22,454 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:22,454 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 14:41:22,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:22,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:22,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:22,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:22,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:22,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:22,687 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:22,688 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:22,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:22,690 INFO L82 PathProgramCache]: Analyzing trace with hash -13817284, now seen corresponding path program 2 times [2021-07-10 14:41:22,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:22,690 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138145315] [2021-07-10 14:41:22,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:22,770 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 14:41:22,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:22,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138145315] [2021-07-10 14:41:22,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138145315] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:22,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806192999] [2021-07-10 14:41:22,771 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 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 14:41:22,814 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:41:22,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:22,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 14:41:22,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:22,881 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 14:41:22,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806192999] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:22,881 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:22,881 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-10 14:41:22,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792341907] [2021-07-10 14:41:22,882 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 14:41:22,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:22,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 14:41:22,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 14:41:22,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:22,883 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:22,883 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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 14:41:22,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:22,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:22,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:22,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:23,135 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:23,137 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:23,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:23,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1370101280, now seen corresponding path program 3 times [2021-07-10 14:41:23,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:23,138 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172685607] [2021-07-10 14:41:23,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:23,231 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:41:23,232 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:23,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172685607] [2021-07-10 14:41:23,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172685607] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:23,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083122073] [2021-07-10 14:41:23,232 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 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 14:41:23,257 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 14:41:23,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:23,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 14:41:23,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:23,338 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:41:23,338 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083122073] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:23,338 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:23,338 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-10 14:41:23,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408408775] [2021-07-10 14:41:23,339 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 14:41:23,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:23,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 14:41:23,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-10 14:41:23,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:23,340 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:23,340 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 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 14:41:23,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:23,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:23,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:23,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:23,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:23,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:23,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:23,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:23,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:23,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:23,572 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:23,572 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:23,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:23,573 INFO L82 PathProgramCache]: Analyzing trace with hash -465232196, now seen corresponding path program 4 times [2021-07-10 14:41:23,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:23,573 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056858352] [2021-07-10 14:41:23,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:23,647 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:41:23,647 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:23,647 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056858352] [2021-07-10 14:41:23,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056858352] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:23,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963888722] [2021-07-10 14:41:23,648 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-10 14:41:23,686 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:41:23,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:23,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 14:41:23,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:23,773 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:41:23,773 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963888722] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:23,773 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:23,773 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-07-10 14:41:23,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771178154] [2021-07-10 14:41:23,773 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 14:41:23,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:23,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 14:41:23,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-10 14:41:23,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:23,774 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:23,774 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 9 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 14:41:23,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:23,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:23,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:23,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:23,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:23,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:23,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:24,017 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-10 14:41:24,018 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:24,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:24,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1815905632, now seen corresponding path program 5 times [2021-07-10 14:41:24,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:24,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932540793] [2021-07-10 14:41:24,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:24,059 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:41:24,059 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:24,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932540793] [2021-07-10 14:41:24,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932540793] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:24,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226715108] [2021-07-10 14:41:24,060 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 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 14:41:24,084 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 14:41:24,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:24,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 14:41:24,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:24,250 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:41:24,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-10 14:41:24,425 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:41:24,426 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:41:24,427 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:41:24,427 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-10 14:41:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:24,434 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226715108] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:24,434 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:24,434 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2021-07-10 14:41:24,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501058793] [2021-07-10 14:41:24,435 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 14:41:24,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:24,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 14:41:24,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-10 14:41:24,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:24,437 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:24,437 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 13 states have internal predecessors, (24), 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 14:41:24,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:24,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:24,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:24,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:24,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:24,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:24,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:24,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:24,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:24,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:24,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:24,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:24,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:24,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:24,694 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:24,694 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:24,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:24,694 INFO L82 PathProgramCache]: Analyzing trace with hash -483265732, now seen corresponding path program 6 times [2021-07-10 14:41:24,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:24,695 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829143271] [2021-07-10 14:41:24,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:24,744 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:24,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829143271] [2021-07-10 14:41:24,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829143271] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:24,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143593531] [2021-07-10 14:41:24,744 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 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 14:41:24,772 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 14:41:24,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:24,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 14:41:24,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:24,827 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:24,828 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143593531] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:24,828 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:24,828 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-07-10 14:41:24,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151370656] [2021-07-10 14:41:24,828 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 14:41:24,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:24,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 14:41:24,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-07-10 14:41:24,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:24,829 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:24,829 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 14:41:24,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:24,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:24,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:24,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:24,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:24,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:24,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:24,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:24,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:24,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:24,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:24,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:24,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:24,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:24,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:24,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:25,132 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:25,133 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:25,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:25,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1186687381, now seen corresponding path program 7 times [2021-07-10 14:41:25,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:25,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495587830] [2021-07-10 14:41:25,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:25,222 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:41:25,223 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:25,223 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495587830] [2021-07-10 14:41:25,224 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495587830] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:25,224 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504480925] [2021-07-10 14:41:25,224 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 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 14:41:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:25,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 14:41:25,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:25,323 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:41:25,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504480925] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:25,323 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:25,323 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-10 14:41:25,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17632483] [2021-07-10 14:41:25,324 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 14:41:25,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:25,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 14:41:25,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-10 14:41:25,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:25,324 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:25,324 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:25,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:25,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:25,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:25,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:25,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:25,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:25,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:25,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:25,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:25,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:25,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:25,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:25,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:25,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-07-10 14:41:25,653 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:25,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:25,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1217789255, now seen corresponding path program 8 times [2021-07-10 14:41:25,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:25,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289622266] [2021-07-10 14:41:25,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:25,756 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:41:25,757 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:25,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289622266] [2021-07-10 14:41:25,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289622266] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:25,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495391809] [2021-07-10 14:41:25,757 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-10 14:41:25,794 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:41:25,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:25,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 14:41:25,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:25,870 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:41:25,870 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495391809] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:25,871 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:25,871 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-10 14:41:25,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179720219] [2021-07-10 14:41:25,872 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 14:41:25,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:25,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 14:41:25,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-07-10 14:41:25,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:25,872 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:25,872 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 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 14:41:25,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:25,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:25,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:25,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:25,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:25,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:25,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:25,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:25,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:25,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:26,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:26,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:26,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:26,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:26,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:26,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:26,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:26,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:26,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:26,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:26,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:26,229 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:26,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:26,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1552846357, now seen corresponding path program 9 times [2021-07-10 14:41:26,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:26,229 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788206618] [2021-07-10 14:41:26,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:26,326 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:41:26,326 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:26,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788206618] [2021-07-10 14:41:26,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788206618] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:26,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666204520] [2021-07-10 14:41:26,326 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 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 14:41:26,368 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 14:41:26,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:26,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 14:41:26,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:26,481 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:41:26,481 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666204520] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:26,481 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:26,481 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-10 14:41:26,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640766670] [2021-07-10 14:41:26,481 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 14:41:26,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:26,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 14:41:26,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2021-07-10 14:41:26,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:26,482 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:26,482 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 18 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:26,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:26,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:26,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:26,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:26,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:26,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:26,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:26,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:26,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:26,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:26,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:26,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:26,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:26,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:26,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:26,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:26,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:26,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:26,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:26,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:26,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:26,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:26,872 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:26,873 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:26,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:26,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1543204409, now seen corresponding path program 10 times [2021-07-10 14:41:26,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:26,873 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989847005] [2021-07-10 14:41:26,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:41:26,987 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:26,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989847005] [2021-07-10 14:41:26,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989847005] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:26,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113711995] [2021-07-10 14:41:26,987 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-10 14:41:27,023 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:41:27,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:27,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 14:41:27,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:27,165 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:41:27,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113711995] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:27,165 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:27,165 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-10 14:41:27,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081978961] [2021-07-10 14:41:27,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 14:41:27,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:27,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 14:41:27,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-07-10 14:41:27,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:27,166 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:27,167 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 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 14:41:27,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:27,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:27,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:27,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:27,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:27,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:27,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:27,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:27,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:27,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:27,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:27,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:27,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:27,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:27,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:27,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:27,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:41:27,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:27,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:41:27,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:27,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:27,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:41:27,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:27,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:27,536 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-07-10 14:41:27,536 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:27,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:27,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1244304021, now seen corresponding path program 11 times [2021-07-10 14:41:27,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:27,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557414488] [2021-07-10 14:41:27,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:27,605 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:41:27,605 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:27,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557414488] [2021-07-10 14:41:27,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557414488] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:27,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324490455] [2021-07-10 14:41:27,605 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 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 14:41:27,631 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 14:41:27,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:27,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 14:41:27,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:28,015 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-10 14:41:28,015 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:41:28,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-10 14:41:29,027 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 230 [2021-07-10 14:41:29,152 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2021-07-10 14:41:29,273 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2021-07-10 14:41:29,436 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 263 [2021-07-10 14:41:29,828 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 327 [2021-07-10 14:41:30,195 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 318 [2021-07-10 14:41:30,412 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 275 [2021-07-10 14:41:31,357 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 246 [2021-07-10 14:41:31,506 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 263 [2021-07-10 14:41:31,633 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 213 [2021-07-10 14:41:33,109 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 203 [2021-07-10 14:41:33,255 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 222 [2021-07-10 14:41:33,515 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 300 [2021-07-10 14:41:33,867 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 326 [2021-07-10 14:41:34,874 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 236 [2021-07-10 14:41:35,068 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 260 [2021-07-10 14:41:35,289 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 307 [2021-07-10 14:41:35,893 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 183 [2021-07-10 14:41:36,020 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2021-07-10 14:41:36,171 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 220 [2021-07-10 14:41:36,337 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 229 [2021-07-10 14:41:36,758 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 431 [2021-07-10 14:41:37,581 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 806 DAG size of output: 631 [2021-07-10 14:41:38,562 WARN L205 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 670 [2021-07-10 14:41:39,862 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 969 DAG size of output: 794 [2021-07-10 14:41:41,364 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 979 DAG size of output: 806 [2021-07-10 14:41:43,138 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1051 DAG size of output: 859 [2021-07-10 14:41:45,206 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1150 DAG size of output: 926 [2021-07-10 14:41:45,413 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 268 [2021-07-10 14:41:45,582 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 269 [2021-07-10 14:41:45,737 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 254 [2021-07-10 14:41:46,841 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 247 [2021-07-10 14:41:47,036 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 254 [2021-07-10 14:41:48,172 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 191 [2021-07-10 14:41:48,555 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 227 [2021-07-10 14:41:48,794 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 234 [2021-07-10 14:41:49,263 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 367 [2021-07-10 14:41:49,789 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 370 [2021-07-10 14:41:50,442 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 432 [2021-07-10 14:41:53,529 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1137 [2021-07-10 14:41:56,613 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1137 [2021-07-10 14:42:00,006 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 1540 DAG size of output: 1148 [2021-07-10 14:42:00,137 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 1144 [2021-07-10 14:42:03,406 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 1146 DAG size of output: 1191 [2021-07-10 14:42:06,129 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 1072 DAG size of output: 1162 [2021-07-10 14:42:08,671 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 1062 DAG size of output: 1243 [2021-07-10 14:42:09,133 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 581 [2021-07-10 14:42:09,360 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 342 [2021-07-10 14:42:09,740 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 211 [2021-07-10 14:42:10,220 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 221 [2021-07-10 14:42:10,381 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 264 [2021-07-10 14:42:10,741 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 382 [2021-07-10 14:42:11,354 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 738 DAG size of output: 556 [2021-07-10 14:42:12,161 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 898 DAG size of output: 650 [2021-07-10 14:42:13,302 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1089 DAG size of output: 754 [2021-07-10 14:42:14,447 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1089 DAG size of output: 754 [2021-07-10 14:42:15,894 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1094 DAG size of output: 478 [2021-07-10 14:42:16,143 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 290 [2021-07-10 14:42:16,312 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2021-07-10 14:42:16,677 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 221 [2021-07-10 14:42:16,879 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 224 [2021-07-10 14:42:17,300 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:42:17,301 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:42:17,301 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:42:17,302 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-10 14:42:17,309 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:42:17,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324490455] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:42:17,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:42:17,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2021-07-10 14:42:17,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175449539] [2021-07-10 14:42:17,309 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 14:42:17,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:42:17,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 14:42:17,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-07-10 14:42:17,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:42:17,310 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:42:17,310 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 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 14:42:17,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:42:17,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:17,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:17,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:42:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:42:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:42:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:42:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:42:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:42:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:42:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:42:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:42:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:42:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:42:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:42:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:42:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:42:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:42:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:42:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:17,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-10 14:42:17,625 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:42:17,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:42:17,625 INFO L82 PathProgramCache]: Analyzing trace with hash -568326585, now seen corresponding path program 12 times [2021-07-10 14:42:17,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:42:17,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424447782] [2021-07-10 14:42:17,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:42:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:42:17,728 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 56 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:42:17,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:42:17,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424447782] [2021-07-10 14:42:17,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424447782] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:42:17,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766343016] [2021-07-10 14:42:17,729 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:42:17,758 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 14:42:17,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:42:17,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 14:42:17,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:42:17,830 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 66 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:42:17,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766343016] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:42:17,831 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:42:17,831 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-07-10 14:42:17,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108153723] [2021-07-10 14:42:17,831 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 14:42:17,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:42:17,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 14:42:17,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-07-10 14:42:17,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:42:17,832 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:42:17,832 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 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 14:42:17,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:42:17,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:17,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:17,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:42:17,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:42:17,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:42:17,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:42:17,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:42:17,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:17,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:42:17,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:42:17,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:17,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:17,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:42:18,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:42:18,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:18,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:18,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:42:18,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:42:18,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:42:18,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:42:18,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:42:18,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:18,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:42:18,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:42:18,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:18,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:18,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:18,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1520 [2021-07-10 14:42:18,222 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:42:18,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:42:18,223 INFO L82 PathProgramCache]: Analyzing trace with hash 471393472, now seen corresponding path program 13 times [2021-07-10 14:42:18,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:42:18,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373765484] [2021-07-10 14:42:18,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:42:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:42:18,366 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 14:42:18,366 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:42:18,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373765484] [2021-07-10 14:42:18,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373765484] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:42:18,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785191090] [2021-07-10 14:42:18,366 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:42:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:42:18,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-10 14:42:18,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:42:18,543 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 14:42:18,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785191090] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:42:18,543 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:42:18,543 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-10 14:42:18,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507340626] [2021-07-10 14:42:18,544 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 14:42:18,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:42:18,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 14:42:18,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2021-07-10 14:42:18,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:42:18,544 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:42:18,544 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 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 14:42:18,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:42:18,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:18,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:18,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:42:18,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:42:18,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:42:18,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:42:18,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:42:18,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:18,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:42:18,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:42:18,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:18,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:18,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:18,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:42:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:42:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:42:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:42:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:42:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:42:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:42:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:42:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:42:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:18,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:42:19,072 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1521,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:42:19,073 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:42:19,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:42:19,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1545647772, now seen corresponding path program 14 times [2021-07-10 14:42:19,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:42:19,073 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410583772] [2021-07-10 14:42:19,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:42:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:42:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 14:42:19,220 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:42:19,220 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410583772] [2021-07-10 14:42:19,220 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410583772] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:42:19,220 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303167551] [2021-07-10 14:42:19,220 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:42:19,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:42:19,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:42:19,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 14:42:19,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:42:19,410 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 14:42:19,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303167551] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:42:19,411 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:42:19,411 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-07-10 14:42:19,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675407695] [2021-07-10 14:42:19,411 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 14:42:19,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:42:19,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 14:42:19,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-07-10 14:42:19,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:42:19,412 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:42:19,412 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 25 states have internal predecessors, (34), 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 14:42:19,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:42:19,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:19,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:19,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:42:19,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:42:19,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:42:19,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:42:19,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:42:19,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:19,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:42:19,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:42:19,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:19,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:19,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:19,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:42:19,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:42:19,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:42:19,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:19,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:19,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:42:19,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:42:19,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:42:19,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:42:19,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:42:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:42:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:42:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:42:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 14:42:19,996 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1522 [2021-07-10 14:42:19,997 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:42:19,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:42:19,997 INFO L82 PathProgramCache]: Analyzing trace with hash 487792704, now seen corresponding path program 15 times [2021-07-10 14:42:19,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:42:19,997 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604587757] [2021-07-10 14:42:19,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:42:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:42:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 14:42:20,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:42:20,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604587757] [2021-07-10 14:42:20,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604587757] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:42:20,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464882084] [2021-07-10 14:42:20,173 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:42:20,226 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-10 14:42:20,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:42:20,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-10 14:42:20,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:42:20,422 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 14:42:20,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464882084] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:42:20,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:42:20,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-07-10 14:42:20,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973517424] [2021-07-10 14:42:20,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 14:42:20,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:42:20,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 14:42:20,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-07-10 14:42:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:42:20,424 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:42:20,424 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 28 states have internal predecessors, (40), 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 14:42:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:42:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:42:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:42:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:42:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:42:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:42:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:42:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:42:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:20,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:42:20,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 14:42:20,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:42:20,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:42:20,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:20,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:20,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:42:20,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:42:20,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:42:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:42:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:42:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:42:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:42:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:42:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 14:42:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:42:21,075 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1523,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:42:21,075 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:42:21,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:42:21,076 INFO L82 PathProgramCache]: Analyzing trace with hash 2054023964, now seen corresponding path program 16 times [2021-07-10 14:42:21,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:42:21,096 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933716740] [2021-07-10 14:42:21,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:42:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:42:21,306 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 14:42:21,307 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:42:21,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933716740] [2021-07-10 14:42:21,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933716740] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:42:21,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29855966] [2021-07-10 14:42:21,307 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:42:21,333 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:42:21,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:42:21,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 14:42:21,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:42:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 14:42:21,540 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29855966] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:42:21,540 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:42:21,540 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-07-10 14:42:21,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980294212] [2021-07-10 14:42:21,540 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 14:42:21,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:42:21,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 14:42:21,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=800, Unknown=0, NotChecked=0, Total=870 [2021-07-10 14:42:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:42:21,541 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:42:21,541 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 29 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:42:21,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:42:21,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:21,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:21,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:42:21,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:42:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:42:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:42:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:42:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:42:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:42:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:42:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 14:42:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:42:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:42:21,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:42:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:42:22,195 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-07-10 14:42:22,195 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:42:22,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:42:22,196 INFO L82 PathProgramCache]: Analyzing trace with hash -932414528, now seen corresponding path program 17 times [2021-07-10 14:42:22,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:42:22,196 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973396812] [2021-07-10 14:42:22,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:42:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:42:22,379 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:42:22,380 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:42:22,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973396812] [2021-07-10 14:42:22,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973396812] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:42:22,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190026206] [2021-07-10 14:42:22,380 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:42:22,436 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-10 14:42:22,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:42:22,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-10 14:42:22,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:42:23,491 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2021-07-10 14:42:23,492 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:42:23,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 29 new quantified variables, introduced 105 case distinctions, treesize of input 67 treesize of output 889 [2021-07-10 14:42:24,890 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-10 14:42:25,066 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 331 [2021-07-10 14:42:26,606 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 307 [2021-07-10 14:42:26,847 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 379 [2021-07-10 14:42:27,146 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 413 [2021-07-10 14:42:27,718 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 526 [2021-07-10 14:42:29,021 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 343 [2021-07-10 14:42:30,340 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 323 [2021-07-10 14:42:30,599 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 402 [2021-07-10 14:42:31,110 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 513 [2021-07-10 14:42:31,718 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 545 [2021-07-10 14:42:33,009 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 355 [2021-07-10 14:42:34,022 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 294 [2021-07-10 14:42:34,418 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 441 [2021-07-10 14:42:34,888 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 474 [2021-07-10 14:42:36,134 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1000 DAG size of output: 761 [2021-07-10 14:42:38,200 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1330 DAG size of output: 1025 [2021-07-10 14:42:40,292 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1035 [2021-07-10 14:42:42,710 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 1371 DAG size of output: 1067 [2021-07-10 14:42:45,461 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 1404 DAG size of output: 1101 [2021-07-10 14:42:46,501 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 351 [2021-07-10 14:42:47,294 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 306 [2021-07-10 14:42:47,641 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 448 [2021-07-10 14:42:48,076 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 481 [2021-07-10 14:42:49,545 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 301 [2021-07-10 14:42:49,772 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 373 [2021-07-10 14:42:50,056 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 407 [2021-07-10 14:42:50,890 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 649 [2021-07-10 14:42:52,251 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 319 [2021-07-10 14:42:52,502 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 398 [2021-07-10 14:42:53,770 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 343 [2021-07-10 14:42:54,294 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 525 [2021-07-10 14:42:54,917 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 557 [2021-07-10 14:42:55,669 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 325 [2021-07-10 14:42:56,344 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 311 [2021-07-10 14:42:56,485 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 351 [2021-07-10 14:42:56,796 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 443 [2021-07-10 14:42:57,462 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 314 [2021-07-10 14:42:58,307 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 390 [2021-07-10 14:42:58,968 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 595 [2021-07-10 14:42:59,748 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 626 [2021-07-10 14:43:01,360 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 1116 DAG size of output: 898 [2021-07-10 14:43:04,130 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 1544 DAG size of output: 1253 [2021-07-10 14:43:06,946 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 1554 DAG size of output: 1263 [2021-07-10 14:43:10,174 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 1584 DAG size of output: 1293 [2021-07-10 14:43:13,829 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 1616 DAG size of output: 1326 [2021-07-10 14:43:21,057 WARN L205 SmtUtils]: Spent 7.22 s on a formula simplification. DAG size of input: 2667 DAG size of output: 2084 [2021-07-10 14:43:29,142 WARN L205 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 2697 DAG size of output: 2115 [2021-07-10 14:43:37,219 WARN L205 SmtUtils]: Spent 8.06 s on a formula simplification. DAG size of input: 2697 DAG size of output: 2115 [2021-07-10 14:43:46,939 WARN L205 SmtUtils]: Spent 9.71 s on a formula simplification. DAG size of input: 2722 DAG size of output: 2140 [2021-07-10 14:44:10,756 WARN L205 SmtUtils]: Spent 23.80 s on a formula simplification. DAG size of input: 2142 DAG size of output: 3536 [2021-07-10 14:44:12,807 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 2084 DAG size of output: 2084 [2021-07-10 14:44:15,981 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1844 [2021-07-10 14:44:22,289 WARN L205 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1538 [2021-07-10 14:44:29,606 WARN L205 SmtUtils]: Spent 7.31 s on a formula simplification. DAG size of input: 1306 DAG size of output: 2171 [2021-07-10 14:44:36,128 WARN L205 SmtUtils]: Spent 6.51 s on a formula simplification. DAG size of input: 1272 DAG size of output: 1665 [2021-07-10 14:44:43,649 WARN L205 SmtUtils]: Spent 7.51 s on a formula simplification. DAG size of input: 1269 DAG size of output: 1672 [2021-07-10 14:44:43,912 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1203 DAG size of output: 1203 [2021-07-10 14:44:44,563 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 373 [2021-07-10 14:44:44,722 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 402 [2021-07-10 14:44:44,920 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 439 [2021-07-10 14:44:45,575 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 360 [2021-07-10 14:44:45,726 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 394 [2021-07-10 14:44:46,152 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 665 [2021-07-10 14:44:46,586 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 709 DAG size of output: 678 [2021-07-10 14:44:47,124 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 356 [2021-07-10 14:44:47,261 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 381 [2021-07-10 14:44:47,437 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 412 [2021-07-10 14:44:48,040 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 339 [2021-07-10 14:44:48,172 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 370 [2021-07-10 14:44:48,553 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 634 [2021-07-10 14:44:48,938 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 646 [2021-07-10 14:44:49,913 WARN L205 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 1205 DAG size of output: 1143 [2021-07-10 14:44:50,659 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 395 [2021-07-10 14:44:50,823 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 406 [2021-07-10 14:44:51,701 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 421 [2021-07-10 14:44:51,899 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 433 [2021-07-10 14:44:52,323 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 682 [2021-07-10 14:44:53,772 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1717 DAG size of output: 1601 [2021-07-10 14:44:54,347 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 314 [2021-07-10 14:44:54,471 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 324 [2021-07-10 14:44:55,174 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 345 [2021-07-10 14:44:55,313 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 356 [2021-07-10 14:44:55,628 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 525 [2021-07-10 14:44:56,397 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 341 [2021-07-10 14:44:56,888 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 802 DAG size of output: 713 [2021-07-10 14:44:59,160 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 2072 DAG size of output: 1911 [2021-07-10 14:45:03,584 WARN L205 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 1178 DAG size of output: 1596 [2021-07-10 14:45:07,230 WARN L205 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 1102 DAG size of output: 1398 [2021-07-10 14:45:09,900 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 1101 DAG size of output: 1312 [2021-07-10 14:45:13,606 WARN L205 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 1095 DAG size of output: 1408 [2021-07-10 14:45:13,839 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1091 [2021-07-10 14:45:14,699 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 321 [2021-07-10 14:45:14,856 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 350 [2021-07-10 14:45:15,083 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 386 [2021-07-10 14:45:15,364 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 412 [2021-07-10 14:45:16,118 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 303 [2021-07-10 14:45:16,292 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 332 [2021-07-10 14:45:16,847 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 597 [2021-07-10 14:45:17,165 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 457 [2021-07-10 14:45:17,462 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 444 [2021-07-10 14:45:17,730 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 281 [2021-07-10 14:45:18,686 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 284 [2021-07-10 14:45:19,145 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 239 [2021-07-10 14:45:19,559 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 304 [2021-07-10 14:45:19,991 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 419 [2021-07-10 14:45:20,612 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 245 [2021-07-10 14:45:21,318 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 243 [2021-07-10 14:45:21,513 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 308 [2021-07-10 14:45:21,894 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 402 [2021-07-10 14:45:22,828 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 586 [2021-07-10 14:45:24,025 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 610 DAG size of output: 648 [2021-07-10 14:45:24,937 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2021-07-10 14:45:25,161 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 270 [2021-07-10 14:45:25,459 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 308 [2021-07-10 14:45:26,157 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-07-10 14:45:26,683 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 380 [2021-07-10 14:45:28,751 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 849 DAG size of output: 882 [2021-07-10 14:45:29,076 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 410 [2021-07-10 14:45:29,294 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 342 [2021-07-10 14:45:30,963 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 338 [2021-07-10 14:45:31,501 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2021-07-10 14:45:31,919 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 412 [2021-07-10 14:45:32,545 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 515 [2021-07-10 14:45:33,203 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 526 [2021-07-10 14:45:33,895 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 236 [2021-07-10 14:45:34,524 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 306 [2021-07-10 14:45:34,819 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 377 [2021-07-10 14:45:35,759 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 302 [2021-07-10 14:45:36,534 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 281 [2021-07-10 14:45:36,879 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 377 [2021-07-10 14:45:37,603 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 587 [2021-07-10 14:45:39,187 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 946 DAG size of output: 855 [2021-07-10 14:45:41,209 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1051 DAG size of output: 957 [2021-07-10 14:45:41,472 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 290 [2021-07-10 14:45:41,590 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 285 [2021-07-10 14:45:42,696 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 316 [2021-07-10 14:45:42,948 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 389 [2021-07-10 14:45:43,256 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 405 [2021-07-10 14:45:43,840 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 267 [2021-07-10 14:45:44,030 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 320 [2021-07-10 14:45:44,565 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 281 [2021-07-10 14:45:44,885 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 401 [2021-07-10 14:45:45,589 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 562 [2021-07-10 14:45:46,236 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 292 [2021-07-10 14:45:46,923 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 318 [2021-07-10 14:45:47,211 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 410 [2021-07-10 14:45:47,807 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 261 [2021-07-10 14:45:47,999 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 320 [2021-07-10 14:45:48,457 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 279 [2021-07-10 14:45:48,591 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 300 [2021-07-10 14:45:48,905 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 418 [2021-07-10 14:45:49,603 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 566 [2021-07-10 14:45:51,153 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1051 DAG size of output: 864 [2021-07-10 14:45:53,041 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1113 DAG size of output: 917 [2021-07-10 14:45:54,142 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 284 [2021-07-10 14:45:54,365 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 359 [2021-07-10 14:45:54,952 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 296 [2021-07-10 14:45:55,381 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 265 [2021-07-10 14:45:55,619 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 375 [2021-07-10 14:45:56,141 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 503 [2021-07-10 14:45:56,818 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 235 [2021-07-10 14:45:57,000 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 264 [2021-07-10 14:45:57,491 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 242 [2021-07-10 14:45:57,818 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 325 [2021-07-10 14:45:58,296 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 438 [2021-07-10 14:45:59,433 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 749 DAG size of output: 750 [2021-07-10 14:46:00,826 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 800 DAG size of output: 800 [2021-07-10 14:46:04,587 WARN L205 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 1555 DAG size of output: 1414 [2021-07-10 14:46:11,242 WARN L205 SmtUtils]: Spent 6.65 s on a formula simplification. DAG size of input: 2320 DAG size of output: 2079 [2021-07-10 14:46:19,283 WARN L205 SmtUtils]: Spent 8.03 s on a formula simplification. DAG size of input: 2889 DAG size of output: 2253 [2021-07-10 14:46:19,858 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 257 [2021-07-10 14:46:19,987 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 267 [2021-07-10 14:46:29,264 WARN L205 SmtUtils]: Spent 9.27 s on a formula simplification. DAG size of input: 3026 DAG size of output: 2377 [2021-07-10 14:46:29,858 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 514 [2021-07-10 14:46:30,594 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-07-10 14:46:31,445 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2021-07-10 14:46:31,667 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 271 [2021-07-10 14:46:31,952 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 311 [2021-07-10 14:46:32,462 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 380 [2021-07-10 14:46:32,644 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 316 [2021-07-10 14:46:32,792 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 323 [2021-07-10 14:46:32,918 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 303 [2021-07-10 14:46:33,573 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 243 [2021-07-10 14:46:33,709 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 305 [2021-07-10 14:46:34,255 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 256 [2021-07-10 14:46:34,789 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 312 [2021-07-10 14:46:35,155 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 436 [2021-07-10 14:46:35,936 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2021-07-10 14:46:36,098 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 306 [2021-07-10 14:46:36,848 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 300 [2021-07-10 14:46:37,207 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 430 [2021-07-10 14:46:38,014 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 618 [2021-07-10 14:46:38,141 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 307 [2021-07-10 14:46:38,810 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 283 [2021-07-10 14:46:38,965 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 302 [2021-07-10 14:46:39,730 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 279 [2021-07-10 14:46:40,085 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 420 [2021-07-10 14:46:40,229 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 358 [2021-07-10 14:46:41,023 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 302 [2021-07-10 14:46:41,144 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 332 [2021-07-10 14:46:41,277 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 316 [2021-07-10 14:46:41,735 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 294 [2021-07-10 14:46:41,993 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 346 [2021-07-10 14:46:42,402 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 442 [2021-07-10 14:46:43,263 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 616 [2021-07-10 14:46:45,132 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1144 DAG size of output: 978 [2021-07-10 14:46:47,452 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 1236 DAG size of output: 1068 [2021-07-10 14:46:49,824 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 1461 DAG size of output: 976 [2021-07-10 14:46:52,953 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 1567 DAG size of output: 1074 [2021-07-10 14:46:53,305 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 389 [2021-07-10 14:46:53,511 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 388 [2021-07-10 14:46:53,723 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 388 [2021-07-10 14:46:53,946 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 435 [2021-07-10 14:46:54,258 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 446 [2021-07-10 14:46:54,387 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 370 [2021-07-10 14:46:54,584 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 386 [2021-07-10 14:46:55,166 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 300 [2021-07-10 14:46:55,395 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 352 [2021-07-10 14:46:55,857 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 455 [2021-07-10 14:46:56,113 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 373 [2021-07-10 14:46:56,822 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 293 [2021-07-10 14:46:57,115 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 308 [2021-07-10 14:46:57,486 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 401 [2021-07-10 14:46:58,333 WARN L205 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 636 [2021-07-10 14:46:58,576 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 459 [2021-07-10 14:46:58,914 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 466 [2021-07-10 14:46:59,411 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 260 [2021-07-10 14:46:59,919 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 340 [2021-07-10 14:47:00,376 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-10 14:47:00,877 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 497 [2021-07-10 14:47:01,147 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 393 [2021-07-10 14:47:01,273 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 347 [2021-07-10 14:47:01,445 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 348 [2021-07-10 14:47:01,998 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 261 [2021-07-10 14:47:02,208 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 319 [2021-07-10 14:47:02,618 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 408 [2021-07-10 14:47:03,523 WARN L205 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 681 [2021-07-10 14:47:05,463 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1233 DAG size of output: 968 [2021-07-10 14:47:05,686 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 384 [2021-07-10 14:47:05,931 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 451 [2021-07-10 14:47:06,397 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 249 [2021-07-10 14:47:06,933 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 287 [2021-07-10 14:47:07,216 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 369 [2021-07-10 14:47:07,810 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 408 [2021-07-10 14:47:08,159 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 462 [2021-07-10 14:47:08,293 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 378 [2021-07-10 14:47:08,518 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 394 [2021-07-10 14:47:09,157 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 305 [2021-07-10 14:47:09,396 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 357 [2021-07-10 14:47:09,869 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 462 [2021-07-10 14:47:10,713 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 641 [2021-07-10 14:47:10,940 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 427 [2021-07-10 14:47:11,823 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 278 [2021-07-10 14:47:12,430 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 307 [2021-07-10 14:47:12,761 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 381 [2021-07-10 14:47:13,200 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 443 [2021-07-10 14:47:13,459 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 369 [2021-07-10 14:47:14,250 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 279 [2021-07-10 14:47:14,449 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 308 [2021-07-10 14:47:14,845 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 399 [2021-07-10 14:47:15,675 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 623 [2021-07-10 14:47:17,542 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1208 DAG size of output: 945 [2021-07-10 14:47:21,803 WARN L205 SmtUtils]: Spent 4.25 s on a formula simplification. DAG size of input: 1884 DAG size of output: 1436 [2021-07-10 14:47:26,980 WARN L205 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 2012 DAG size of output: 1581 [2021-07-10 14:47:27,798 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 293 [2021-07-10 14:47:27,977 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 304 [2021-07-10 14:47:34,277 WARN L205 SmtUtils]: Spent 6.30 s on a formula simplification. DAG size of input: 2189 DAG size of output: 1741 [2021-07-10 14:47:44,661 WARN L205 SmtUtils]: Spent 10.37 s on a formula simplification. DAG size of input: 3225 DAG size of output: 2355 [2021-07-10 14:48:05,865 WARN L205 SmtUtils]: Spent 21.19 s on a formula simplification. DAG size of input: 5151 DAG size of output: 3699 [2021-07-10 14:48:30,078 WARN L205 SmtUtils]: Spent 24.19 s on a formula simplification. DAG size of input: 5285 DAG size of output: 3839 [2021-07-10 14:48:30,948 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 218 [2021-07-10 14:48:31,101 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 228 [2021-07-10 14:48:31,672 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 438 [2021-07-10 14:48:32,645 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 245 [2021-07-10 14:48:32,851 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 307 [2021-07-10 14:48:33,389 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 252 [2021-07-10 14:48:33,871 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 318 [2021-07-10 14:48:34,340 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 459 [2021-07-10 14:48:34,944 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 514 [2021-07-10 14:48:35,474 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 338 [2021-07-10 14:48:36,393 WARN L205 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 702 [2021-07-10 14:48:37,384 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 260 [2021-07-10 14:48:38,161 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 274 [2021-07-10 14:48:38,554 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 405 [2021-07-10 14:48:39,053 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 460 [2021-07-10 14:48:39,596 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 338 [2021-07-10 14:48:40,385 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 635 [2021-07-10 14:48:41,358 WARN L205 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 679 [2021-07-10 14:48:43,543 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 937 DAG size of output: 1011 [2021-07-10 14:48:43,998 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 190 [2021-07-10 14:48:44,442 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 292 [2021-07-10 14:48:44,940 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 385 [2021-07-10 14:48:45,941 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2021-07-10 14:48:46,191 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 316 [2021-07-10 14:48:46,743 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 408 [2021-07-10 14:48:47,619 WARN L205 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 569 [2021-07-10 14:48:50,605 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 1202 DAG size of output: 1222 [2021-07-10 14:48:50,921 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 376 [2021-07-10 14:48:51,155 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 363 [2021-07-10 14:48:51,374 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 418 [2021-07-10 14:48:51,666 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 373 [2021-07-10 14:48:52,262 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 292 [2021-07-10 14:48:52,471 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 331 [2021-07-10 14:48:53,325 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 282 [2021-07-10 14:48:53,678 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 431 [2021-07-10 14:48:53,872 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 394 [2021-07-10 14:48:54,699 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 280 [2021-07-10 14:48:55,623 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 278 [2021-07-10 14:48:55,795 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 315 [2021-07-10 14:48:56,120 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 414 [2021-07-10 14:48:56,885 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 627 [2021-07-10 14:48:57,085 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 361 [2021-07-10 14:48:57,271 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 392 [2021-07-10 14:48:58,145 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-07-10 14:48:58,314 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 315 [2021-07-10 14:48:59,131 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-07-10 14:48:59,454 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 411 [2021-07-10 14:48:59,667 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 416 [2021-07-10 14:49:00,493 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 280 [2021-07-10 14:49:00,782 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 371 [2021-07-10 14:49:01,340 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-07-10 14:49:01,553 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 330 [2021-07-10 14:49:01,906 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 430 [2021-07-10 14:49:02,666 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 624 [2021-07-10 14:49:04,385 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1154 DAG size of output: 777 [2021-07-10 14:49:06,573 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 1272 DAG size of output: 894 [2021-07-10 14:49:12,600 WARN L205 SmtUtils]: Spent 6.02 s on a formula simplification. DAG size of input: 2242 DAG size of output: 1906 [2021-07-10 14:49:13,023 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 436 [2021-07-10 14:49:13,326 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 374 [2021-07-10 14:49:13,546 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 359 [2021-07-10 14:49:13,746 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 414 [2021-07-10 14:49:14,028 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 369 [2021-07-10 14:49:14,581 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 293 [2021-07-10 14:49:14,791 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 328 [2021-07-10 14:49:15,582 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 277 [2021-07-10 14:49:15,931 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 427 [2021-07-10 14:49:16,116 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 390 [2021-07-10 14:49:16,902 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 276 [2021-07-10 14:49:17,748 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-07-10 14:49:17,915 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 313 [2021-07-10 14:49:18,233 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 409 [2021-07-10 14:49:18,986 WARN L205 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 621 [2021-07-10 14:49:19,191 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 361 [2021-07-10 14:49:19,400 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 416 [2021-07-10 14:49:20,220 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 279 [2021-07-10 14:49:20,509 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 371 [2021-07-10 14:49:21,077 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-07-10 14:49:21,287 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 330 [2021-07-10 14:49:21,640 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 429 [2021-07-10 14:49:21,834 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 392 [2021-07-10 14:49:22,732 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-07-10 14:49:22,906 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 315 [2021-07-10 14:49:23,729 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-07-10 14:49:24,053 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 411 [2021-07-10 14:49:24,824 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 623 [2021-07-10 14:49:26,537 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1157 DAG size of output: 759 [2021-07-10 14:49:28,717 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 1275 DAG size of output: 876 [2021-07-10 14:49:29,622 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 285 [2021-07-10 14:49:30,088 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 380 [2021-07-10 14:49:31,251 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 253 [2021-07-10 14:49:31,508 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 304 [2021-07-10 14:49:31,890 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 399 [2021-07-10 14:49:32,749 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 560 [2021-07-10 14:49:33,792 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 269 [2021-07-10 14:49:34,524 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 265 [2021-07-10 14:49:34,913 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2021-07-10 14:49:35,413 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 446 [2021-07-10 14:49:35,898 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-07-10 14:49:36,678 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 623 [2021-07-10 14:49:37,647 WARN L205 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 675 [2021-07-10 14:49:38,785 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 307 [2021-07-10 14:49:39,829 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 300 [2021-07-10 14:49:40,315 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 431 [2021-07-10 14:49:40,928 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 484 [2021-07-10 14:49:41,423 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-07-10 14:49:42,342 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 681 [2021-07-10 14:49:44,529 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 960 DAG size of output: 1007 [2021-07-10 14:49:47,539 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 1227 DAG size of output: 1204 [2021-07-10 14:49:53,617 WARN L205 SmtUtils]: Spent 6.07 s on a formula simplification. DAG size of input: 2273 DAG size of output: 1873 [2021-07-10 14:50:06,771 WARN L205 SmtUtils]: Spent 13.14 s on a formula simplification. DAG size of input: 3626 DAG size of output: 3012 [2021-07-10 14:50:22,137 WARN L205 SmtUtils]: Spent 15.35 s on a formula simplification. DAG size of input: 3733 DAG size of output: 3114 [2021-07-10 14:50:39,801 WARN L205 SmtUtils]: Spent 17.64 s on a formula simplification. DAG size of input: 3858 DAG size of output: 3216 [2021-07-10 14:51:27,037 WARN L205 SmtUtils]: Spent 47.21 s on a formula simplification. DAG size of input: 8350 DAG size of output: 6493 [2021-07-10 14:51:29,457 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 765 DAG size of output: 1165 [2021-07-10 14:51:30,400 WARN L205 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 801 [2021-07-10 14:51:32,761 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 760 DAG size of output: 1013 [2021-07-10 14:51:34,697 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 753 DAG size of output: 864 [2021-07-10 14:51:36,006 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 283 [2021-07-10 14:51:36,779 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 261 [2021-07-10 14:51:37,146 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 383 [2021-07-10 14:51:37,939 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 259 [2021-07-10 14:51:38,901 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 284 [2021-07-10 14:51:39,260 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 381 [2021-07-10 14:51:40,071 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 547 [2021-07-10 14:51:40,313 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 298 [2021-07-10 14:51:41,124 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 271 [2021-07-10 14:51:41,774 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2021-07-10 14:51:41,927 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 277 [2021-07-10 14:51:42,251 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 395 [2021-07-10 14:51:42,780 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 478 [2021-07-10 14:51:43,716 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 288 [2021-07-10 14:51:44,305 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2021-07-10 14:51:44,449 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2021-07-10 14:51:44,827 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 402 [2021-07-10 14:51:45,416 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 471 [2021-07-10 14:51:46,429 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 795 DAG size of output: 747 [2021-07-10 14:51:47,666 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 828 DAG size of output: 750 [2021-07-10 14:51:48,403 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 219 [2021-07-10 14:51:48,580 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 256 [2021-07-10 14:51:49,442 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 213 [2021-07-10 14:51:49,805 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 352 [2021-07-10 14:51:50,279 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 423 [2021-07-10 14:51:50,901 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 238 [2021-07-10 14:51:51,051 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 288 [2021-07-10 14:51:51,545 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 333 [2021-07-10 14:51:52,089 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 255 [2021-07-10 14:51:52,269 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 284 [2021-07-10 14:51:52,857 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 338 [2021-07-10 14:51:53,367 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 451 [2021-07-10 14:51:54,479 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 728 DAG size of output: 652 [2021-07-10 14:51:57,121 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1113 [2021-07-10 14:51:59,898 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 1618 DAG size of output: 1151 [2021-07-10 14:52:03,159 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 1690 DAG size of output: 1217 [2021-07-10 14:52:04,486 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2021-07-10 14:52:05,129 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2021-07-10 14:52:05,464 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 365 [2021-07-10 14:52:05,939 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 468 [2021-07-10 14:52:06,498 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 489 [2021-07-10 14:52:07,237 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 292 [2021-07-10 14:52:07,796 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2021-07-10 14:52:07,926 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 274 [2021-07-10 14:52:08,223 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 396 [2021-07-10 14:52:08,865 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2021-07-10 14:52:09,007 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 280 [2021-07-10 14:52:09,695 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 294 [2021-07-10 14:52:10,003 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 402 [2021-07-10 14:52:10,682 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 550 [2021-07-10 14:52:12,123 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 842 DAG size of output: 808 [2021-07-10 14:52:13,246 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 305 [2021-07-10 14:52:14,320 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 301 [2021-07-10 14:52:14,734 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 388 [2021-07-10 14:52:15,635 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 198 [2021-07-10 14:52:15,851 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 257 [2021-07-10 14:52:16,196 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 311 [2021-07-10 14:52:17,040 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 545 [2021-07-10 14:52:19,009 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 1181 DAG size of output: 920 [2021-07-10 14:52:21,313 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 1221 DAG size of output: 955 [2021-07-10 14:52:27,756 WARN L205 SmtUtils]: Spent 6.44 s on a formula simplification. DAG size of input: 2494 DAG size of output: 1879 [2021-07-10 14:52:36,098 WARN L205 SmtUtils]: Spent 8.33 s on a formula simplification. DAG size of input: 2870 DAG size of output: 2341 [2021-07-10 14:52:36,624 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 406 [2021-07-10 14:52:37,005 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 423 [2021-07-10 14:52:37,810 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 237 [2021-07-10 14:52:37,995 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 278 [2021-07-10 14:52:38,533 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 337 [2021-07-10 14:52:39,454 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 250 [2021-07-10 14:52:39,644 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 290 [2021-07-10 14:52:39,920 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 355 [2021-07-10 14:52:40,545 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 442 [2021-07-10 14:52:41,351 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 548 [2021-07-10 14:52:41,657 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 311 [2021-07-10 14:52:42,169 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 279 [2021-07-10 14:52:42,315 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 304 [2021-07-10 14:52:42,559 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 377 [2021-07-10 14:52:43,057 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2021-07-10 14:52:43,217 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 292 [2021-07-10 14:52:43,631 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 467 [2021-07-10 14:52:44,735 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 356 [2021-07-10 14:52:45,019 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 432 [2021-07-10 14:52:45,371 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2021-07-10 14:52:46,213 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 669 [2021-07-10 14:52:48,151 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 993 DAG size of output: 928 [2021-07-10 14:52:49,404 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 263 [2021-07-10 14:52:49,634 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 314 [2021-07-10 14:52:50,808 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 348 [2021-07-10 14:52:51,360 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 459 [2021-07-10 14:52:52,089 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 579 [2021-07-10 14:52:53,126 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 356 [2021-07-10 14:52:53,440 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 383 [2021-07-10 14:52:53,990 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2021-07-10 14:52:54,157 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 285 [2021-07-10 14:52:54,688 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 480 [2021-07-10 14:52:55,591 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 593 [2021-07-10 14:52:56,502 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 617 [2021-07-10 14:52:58,334 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 870 DAG size of output: 884 [2021-07-10 14:53:02,497 WARN L205 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 1534 DAG size of output: 1523 [2021-07-10 14:53:07,565 WARN L205 SmtUtils]: Spent 5.06 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1666 [2021-07-10 14:53:08,596 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 254 [2021-07-10 14:53:08,847 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 330 [2021-07-10 14:53:09,220 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 415 [2021-07-10 14:53:10,192 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 260 [2021-07-10 14:53:10,439 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 329 [2021-07-10 14:53:10,820 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 422 [2021-07-10 14:53:11,735 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 559 [2021-07-10 14:53:17,423 WARN L205 SmtUtils]: Spent 5.68 s on a formula simplification. DAG size of input: 1894 DAG size of output: 1719 [2021-07-10 14:53:24,589 WARN L205 SmtUtils]: Spent 6.66 s on a formula simplification. DAG size of input: 2009 DAG size of output: 1825 [2021-07-10 14:53:25,287 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 467 [2021-07-10 14:53:26,050 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2021-07-10 14:53:26,786 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 338 [2021-07-10 14:53:27,399 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 445 [2021-07-10 14:53:28,276 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2021-07-10 14:53:28,745 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2021-07-10 14:53:29,055 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 345 [2021-07-10 14:53:29,522 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 466 [2021-07-10 14:53:30,537 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 692 DAG size of output: 688 [2021-07-10 14:53:31,253 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 272 [2021-07-10 14:53:31,446 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 327 [2021-07-10 14:53:31,979 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 391 [2021-07-10 14:53:32,551 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 277 [2021-07-10 14:53:33,135 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 328 [2021-07-10 14:53:33,412 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 392 [2021-07-10 14:53:34,021 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 542 [2021-07-10 14:53:34,265 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 279 [2021-07-10 14:53:34,882 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 330 [2021-07-10 14:53:35,300 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 243 [2021-07-10 14:53:35,587 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 394 [2021-07-10 14:53:36,237 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 274 [2021-07-10 14:53:36,435 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2021-07-10 14:53:36,989 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 395 [2021-07-10 14:53:37,610 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 546 [2021-07-10 14:53:39,004 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 816 DAG size of output: 763 [2021-07-10 14:53:41,797 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 1175 DAG size of output: 1122 [2021-07-10 14:53:42,004 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 302 [2021-07-10 14:53:42,828 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 255 [2021-07-10 14:53:43,074 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 319 [2021-07-10 14:53:43,967 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 242 [2021-07-10 14:53:44,217 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 322 [2021-07-10 14:53:44,784 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 500 [2021-07-10 14:53:44,958 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 300 [2021-07-10 14:53:45,466 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-07-10 14:53:45,902 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2021-07-10 14:53:46,141 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 291 [2021-07-10 14:53:46,488 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 361 [2021-07-10 14:53:47,344 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 240 [2021-07-10 14:53:47,587 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 320 [2021-07-10 14:53:48,248 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 515 [2021-07-10 14:53:49,650 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 700 DAG size of output: 716 [2021-07-10 14:53:53,942 WARN L205 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 1678 DAG size of output: 1384 [2021-07-10 14:53:59,311 WARN L205 SmtUtils]: Spent 5.36 s on a formula simplification. DAG size of input: 1840 DAG size of output: 1603 [2021-07-10 14:54:05,557 WARN L205 SmtUtils]: Spent 6.24 s on a formula simplification. DAG size of input: 1907 DAG size of output: 1662 [2021-07-10 14:54:20,179 WARN L205 SmtUtils]: Spent 14.61 s on a formula simplification. DAG size of input: 3341 DAG size of output: 3040 [2021-07-10 14:54:46,152 WARN L205 SmtUtils]: Spent 25.95 s on a formula simplification. DAG size of input: 5467 DAG size of output: 4541 [2021-07-10 14:54:46,301 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 737 [2021-07-10 14:54:47,164 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 572 [2021-07-10 14:54:47,651 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 465 [2021-07-10 14:54:47,908 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 298 [2021-07-10 14:54:48,413 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 238 [2021-07-10 14:54:48,995 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 318 [2021-07-10 14:54:49,489 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 297 [2021-07-10 14:54:49,917 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2021-07-10 14:54:50,158 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 289 [2021-07-10 14:54:50,493 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 359 [2021-07-10 14:54:51,147 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 513 [2021-07-10 14:54:51,322 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 300 [2021-07-10 14:54:51,845 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 240 [2021-07-10 14:54:52,444 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 320 [2021-07-10 14:54:52,668 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-07-10 14:54:53,107 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 241 [2021-07-10 14:54:53,348 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 294 [2021-07-10 14:54:53,978 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 364 [2021-07-10 14:54:54,644 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 518 [2021-07-10 14:54:56,137 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 674 DAG size of output: 664 [2021-07-10 14:54:56,326 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 336 [2021-07-10 14:54:56,447 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 363 [2021-07-10 14:54:57,030 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 291 [2021-07-10 14:54:57,143 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 277 [2021-07-10 14:54:57,731 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 328 [2021-07-10 14:54:58,099 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 403 [2021-07-10 14:54:58,989 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 308 [2021-07-10 14:54:59,562 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 517 [2021-07-10 14:54:59,671 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 351 [2021-07-10 14:54:59,773 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 253 [2021-07-10 14:55:00,349 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 294 [2021-07-10 14:55:00,578 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 358 [2021-07-10 14:55:01,380 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 272 [2021-07-10 14:55:01,593 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 337 [2021-07-10 14:55:01,982 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 398 [2021-07-10 14:55:02,566 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 504 [2021-07-10 14:55:03,859 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 841 DAG size of output: 753 [2021-07-10 14:55:04,012 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 334 [2021-07-10 14:55:04,132 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 361 [2021-07-10 14:55:05,002 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 306 [2021-07-10 14:55:05,710 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 326 [2021-07-10 14:55:06,087 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 231 [2021-07-10 14:55:06,251 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 287 [2021-07-10 14:55:06,607 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 401 [2021-07-10 14:55:07,165 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 512 [2021-07-10 14:55:07,271 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 349 [2021-07-10 14:55:07,939 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 294 [2021-07-10 14:55:08,164 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 356 [2021-07-10 14:55:08,936 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 270 [2021-07-10 14:55:09,137 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 335 [2021-07-10 14:55:09,516 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 396 [2021-07-10 14:55:10,071 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 504 [2021-07-10 14:55:11,333 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 838 DAG size of output: 751 [2021-07-10 14:55:14,198 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 1237 DAG size of output: 1090 [2021-07-10 14:55:18,769 WARN L205 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 1724 DAG size of output: 1328 [2021-07-10 14:55:24,451 WARN L205 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 1886 DAG size of output: 1547 [2021-07-10 14:55:31,650 WARN L205 SmtUtils]: Spent 6.77 s on a formula simplification. DAG size of input: 1990 DAG size of output: 1637 [2021-07-10 14:55:32,424 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 492 [2021-07-10 14:55:32,984 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 502 [2021-07-10 14:55:33,264 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 486 [2021-07-10 14:55:33,390 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 414 [2021-07-10 14:55:33,605 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 338 [2021-07-10 14:55:34,257 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 328 [2021-07-10 14:55:34,913 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 348 [2021-07-10 14:55:35,220 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 383 [2021-07-10 14:55:36,082 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 246 [2021-07-10 14:55:36,269 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 288 [2021-07-10 14:55:36,762 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 493 [2021-07-10 14:55:37,014 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 511 [2021-07-10 14:55:37,249 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 315 [2021-07-10 14:55:37,801 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 297 [2021-07-10 14:55:38,227 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2021-07-10 14:55:38,682 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 254 [2021-07-10 14:55:38,811 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 279 [2021-07-10 14:55:39,102 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 368 [2021-07-10 14:55:39,540 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 445 [2021-07-10 14:55:40,396 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 275 [2021-07-10 14:55:40,987 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 548 [2021-07-10 14:55:42,193 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 972 DAG size of output: 741 [2021-07-10 14:55:42,677 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 500 [2021-07-10 14:55:42,919 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 509 [2021-07-10 14:55:43,731 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 273 [2021-07-10 14:55:44,257 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 252 [2021-07-10 14:55:44,393 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 277 [2021-07-10 14:55:44,805 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2021-07-10 14:55:45,113 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 366 [2021-07-10 14:55:45,266 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 313 [2021-07-10 14:55:45,797 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 296 [2021-07-10 14:55:46,219 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 442 [2021-07-10 14:55:46,802 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 541 [2021-07-10 14:55:47,066 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 484 [2021-07-10 14:55:47,616 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 244 [2021-07-10 14:55:48,043 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 286 [2021-07-10 14:55:48,162 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 412 [2021-07-10 14:55:48,777 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 336 [2021-07-10 14:55:49,392 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 328 [2021-07-10 14:55:49,605 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 348 [2021-07-10 14:55:49,908 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 381 [2021-07-10 14:55:50,385 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 489 [2021-07-10 14:55:51,563 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 970 DAG size of output: 734 [2021-07-10 14:55:54,202 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 1297 DAG size of output: 956 [2021-07-10 14:55:57,644 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 1469 DAG size of output: 1172 Received shutdown request... [2021-07-10 14:56:01,703 WARN L205 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 1533 DAG size of output: 1229 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown