/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-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 22:27:03,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 22:27:03,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 22:27:03,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 22:27:03,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 22:27:03,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 22:27:03,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 22:27:03,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 22:27:03,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 22:27:03,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 22:27:03,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 22:27:03,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 22:27:03,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 22:27:03,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 22:27:03,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 22:27:03,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 22:27:03,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 22:27:03,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 22:27:03,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 22:27:03,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 22:27:03,176 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 [2021-07-14 22:27:03,215 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 22:27:03,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 22:27:03,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 22:27:03,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 22:27:03,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 22:27:03,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 22:27:03,219 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 22:27:03,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 22:27:03,219 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 22:27:03,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 22:27:03,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 22:27:03,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 22:27:03,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 22:27:03,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 22:27:03,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 22:27:03,221 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 22:27:03,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 22:27:03,221 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 22:27:03,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 22:27:03,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 22:27:03,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 22:27:03,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 22:27:03,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 22:27:03,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 22:27:03,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 22:27:03,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 22:27:03,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 22:27:03,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 22:27:03,222 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 22:27:03,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 22:27:03,222 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 22:27:03,223 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 22:27:03,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 22:27:03,223 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 22:27:03,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 22:27:03,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 22:27:03,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 22:27:03,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 22:27:03,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 22:27:03,593 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 22:27:03,595 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 22:27:03,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-07-14 22:27:03,596 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-07-14 22:27:03,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 22:27:03,630 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 22:27:03,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 22:27:03,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 22:27:03,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 22:27:03,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:27:03" (1/1) ... [2021-07-14 22:27:03,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:27:03" (1/1) ... [2021-07-14 22:27:03,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 22:27:03,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 22:27:03,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 22:27:03,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 22:27:03,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:27:03" (1/1) ... [2021-07-14 22:27:03,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:27:03" (1/1) ... [2021-07-14 22:27:03,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:27:03" (1/1) ... [2021-07-14 22:27:03,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:27:03" (1/1) ... [2021-07-14 22:27:03,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:27:03" (1/1) ... [2021-07-14 22:27:03,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:27:03" (1/1) ... [2021-07-14 22:27:03,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:27:03" (1/1) ... [2021-07-14 22:27:03,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 22:27:03,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 22:27:03,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 22:27:03,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 22:27:03,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:27:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 22:27:03,735 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 22:27:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 22:27:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 22:27:03,736 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 22:27:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 22:27:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 22:27:03,736 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 22:27:03,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 22:27:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 22:27:03,737 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 22:27:04,036 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 22:27:04,037 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 22:27:04,037 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 22:27:04,038 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 22:27:04,039 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:27:04 BoogieIcfgContainer [2021-07-14 22:27:04,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 22:27:04,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 22:27:04,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 22:27:04,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 22:27:04,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:27:03" (1/2) ... [2021-07-14 22:27:04,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62aa7f9b and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:27:04, skipping insertion in model container [2021-07-14 22:27:04,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:27:04" (2/2) ... [2021-07-14 22:27:04,045 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-07-14 22:27:04,054 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 22:27:04,054 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 22:27:04,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 22:27:04,055 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 22:27:04,111 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 22:27:04,143 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 22:27:04,204 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 22:27:04,204 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 22:27:04,205 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 22:27:04,205 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 22:27:04,205 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 22:27:04,205 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 22:27:04,205 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 22:27:04,205 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 22:27:04,270 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:04,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:04,275 INFO L82 PathProgramCache]: Analyzing trace with hash 355583861, now seen corresponding path program 1 times [2021-07-14 22:27:04,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:04,283 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006053333] [2021-07-14 22:27:04,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:04,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:27:04,416 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:04,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006053333] [2021-07-14 22:27:04,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006053333] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:27:04,417 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:27:04,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 22:27:04,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821071646] [2021-07-14 22:27:04,421 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 22:27:04,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:04,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 22:27:04,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 22:27:04,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:04,433 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:04,435 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:27:04,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:04,447 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 22:27:04,447 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:04,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:04,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1896913301, now seen corresponding path program 1 times [2021-07-14 22:27:04,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:04,448 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230158826] [2021-07-14 22:27:04,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:04,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:27:04,497 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:04,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230158826] [2021-07-14 22:27:04,497 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230158826] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:27:04,497 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:27:04,497 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 22:27:04,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585079212] [2021-07-14 22:27:04,498 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 22:27:04,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:04,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 22:27:04,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 22:27:04,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:04,500 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:04,500 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) [2021-07-14 22:27:04,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:04,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:04,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:04,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:04,547 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 22:27:04,547 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:04,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:04,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1077296776, now seen corresponding path program 1 times [2021-07-14 22:27:04,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:04,548 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753547722] [2021-07-14 22:27:04,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:04,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:27:04,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:04,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753547722] [2021-07-14 22:27:04,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753547722] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:04,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211962457] [2021-07-14 22:27:04,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:27:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:04,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 22:27:04,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:27:04,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:27:04,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211962457] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:04,700 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:27:04,700 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 22:27:04,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646115561] [2021-07-14 22:27:04,701 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 22:27:04,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:04,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 22:27:04,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 22:27:04,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:04,702 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:04,702 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:27:04,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:04,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:04,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:04,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:04,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:04,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:04,970 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:27:04,971 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:04,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:04,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1742010026, now seen corresponding path program 2 times [2021-07-14 22:27:04,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:04,972 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360404757] [2021-07-14 22:27:04,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:27:05,039 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:05,039 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360404757] [2021-07-14 22:27:05,039 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360404757] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:05,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146073837] [2021-07-14 22:27:05,040 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 [2021-07-14 22:27:05,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:27:05,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:27:05,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 22:27:05,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:27:05,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:27:05,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146073837] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:05,173 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:27:05,173 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-14 22:27:05,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915309477] [2021-07-14 22:27:05,174 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 22:27:05,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:05,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 22:27:05,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-14 22:27:05,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:05,175 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:05,175 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) [2021-07-14 22:27:05,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:05,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:05,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:05,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:05,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:05,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:05,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:05,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:05,442 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:27:05,442 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:05,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:05,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1053792328, now seen corresponding path program 3 times [2021-07-14 22:27:05,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:05,443 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871724094] [2021-07-14 22:27:05,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:05,519 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:27:05,519 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:05,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871724094] [2021-07-14 22:27:05,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871724094] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:05,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306592074] [2021-07-14 22:27:05,520 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 [2021-07-14 22:27:05,620 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 22:27:05,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:27:05,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 22:27:05,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:27:05,689 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:27:05,690 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306592074] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:05,690 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:27:05,690 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-14 22:27:05,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316569163] [2021-07-14 22:27:05,690 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 22:27:05,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:05,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 22:27:05,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-14 22:27:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:05,691 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:05,692 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:27:05,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:05,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:05,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:05,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:05,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:05,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:05,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:05,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:05,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:05,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:05,969 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:27:05,969 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:05,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:05,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1824319382, now seen corresponding path program 4 times [2021-07-14 22:27:05,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:05,970 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967152343] [2021-07-14 22:27:05,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:06,045 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:27:06,045 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:06,045 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967152343] [2021-07-14 22:27:06,045 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967152343] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:06,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832123519] [2021-07-14 22:27:06,046 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) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:27:06,080 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:27:06,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:27:06,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 22:27:06,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:27:06,243 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:27:06,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-14 22:27:06,317 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:27:06,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:27:06,319 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:27:06,319 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-14 22:27:06,325 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:27:06,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832123519] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:06,326 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:27:06,326 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-14 22:27:06,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656826264] [2021-07-14 22:27:06,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 22:27:06,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:06,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 22:27:06,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-07-14 22:27:06,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:06,328 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:06,328 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 11 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) [2021-07-14 22:27:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:06,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:06,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:06,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:06,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:06,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:06,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:06,604 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 22:27:06,605 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:06,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:06,605 INFO L82 PathProgramCache]: Analyzing trace with hash -718598525, now seen corresponding path program 5 times [2021-07-14 22:27:06,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:06,606 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371014057] [2021-07-14 22:27:06,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:06,692 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:27:06,693 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:06,693 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371014057] [2021-07-14 22:27:06,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371014057] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:06,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444151925] [2021-07-14 22:27:06,698 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 [2021-07-14 22:27:06,734 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 22:27:06,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:27:06,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 22:27:06,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:27:06,792 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:27:06,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444151925] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:06,793 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:27:06,793 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-14 22:27:06,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601889736] [2021-07-14 22:27:06,793 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 22:27:06,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:06,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 22:27:06,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-07-14 22:27:06,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:06,795 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:06,795 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:27:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:06,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:06,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:06,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:06,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:06,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:06,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:06,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:06,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:07,132 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:27:07,133 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:07,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:07,133 INFO L82 PathProgramCache]: Analyzing trace with hash 59145720, now seen corresponding path program 6 times [2021-07-14 22:27:07,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:07,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422874802] [2021-07-14 22:27:07,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:07,217 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:27:07,217 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:07,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422874802] [2021-07-14 22:27:07,218 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422874802] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:07,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143797668] [2021-07-14 22:27:07,218 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 [2021-07-14 22:27:07,250 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 22:27:07,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:27:07,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 22:27:07,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:27:07,305 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:27:07,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143797668] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:07,306 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:27:07,306 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-14 22:27:07,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446328410] [2021-07-14 22:27:07,306 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 22:27:07,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:07,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 22:27:07,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-14 22:27:07,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:07,307 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:07,307 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:27:07,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:07,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:07,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:07,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:07,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:07,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:07,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:07,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:07,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:07,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:07,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:07,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:07,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:07,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:07,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:07,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:07,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 22:27:07,637 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:07,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:07,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1834244789, now seen corresponding path program 7 times [2021-07-14 22:27:07,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:07,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043338553] [2021-07-14 22:27:07,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:07,729 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 22:27:07,729 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:07,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043338553] [2021-07-14 22:27:07,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043338553] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:07,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945971534] [2021-07-14 22:27:07,730 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 [2021-07-14 22:27:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:07,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 22:27:07,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:27:07,857 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 22:27:07,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945971534] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:07,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:27:07,858 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-07-14 22:27:07,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345368134] [2021-07-14 22:27:07,860 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 22:27:07,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:07,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 22:27:07,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-07-14 22:27:07,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:07,862 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:07,862 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 11 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) [2021-07-14 22:27:07,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:07,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:07,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:07,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:07,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:07,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:07,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:07,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:07,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:08,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:08,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:08,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:08,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:08,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:08,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:08,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:08,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:08,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 22:27:08,268 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:08,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:08,269 INFO L82 PathProgramCache]: Analyzing trace with hash -631991101, now seen corresponding path program 8 times [2021-07-14 22:27:08,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:08,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518868711] [2021-07-14 22:27:08,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:08,370 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 22:27:08,371 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:08,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518868711] [2021-07-14 22:27:08,371 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518868711] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:08,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355011331] [2021-07-14 22:27:08,371 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) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:27:08,402 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:27:08,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:27:08,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 22:27:08,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:27:08,497 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 22:27:08,497 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355011331] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:08,497 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:27:08,502 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-14 22:27:08,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70712878] [2021-07-14 22:27:08,503 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 22:27:08,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:08,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 22:27:08,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-14 22:27:08,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:08,504 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:08,504 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) [2021-07-14 22:27:08,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:08,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:08,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:08,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:08,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:08,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:08,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:08,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:08,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:08,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:08,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:08,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:08,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:08,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:08,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:08,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:08,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:08,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:08,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:08,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:27:08,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 22:27:08,884 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:08,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:08,884 INFO L82 PathProgramCache]: Analyzing trace with hash 224107637, now seen corresponding path program 9 times [2021-07-14 22:27:08,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:08,884 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448969198] [2021-07-14 22:27:08,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:09,026 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 22:27:09,026 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:09,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448969198] [2021-07-14 22:27:09,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448969198] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:09,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192859808] [2021-07-14 22:27:09,027 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 [2021-07-14 22:27:09,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 22:27:09,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:27:09,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 22:27:09,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:27:09,179 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 22:27:09,179 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192859808] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:09,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:27:09,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-14 22:27:09,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430242444] [2021-07-14 22:27:09,180 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 22:27:09,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:09,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 22:27:09,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-07-14 22:27:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:09,181 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:09,181 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) [2021-07-14 22:27:09,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:09,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:09,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:09,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:09,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:09,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:09,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:09,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:09,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:09,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:27:09,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:09,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:09,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:09,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:09,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:09,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:09,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:09,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:09,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:09,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:09,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:27:09,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:27:09,615 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 22:27:09,615 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:09,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:09,615 INFO L82 PathProgramCache]: Analyzing trace with hash 993364739, now seen corresponding path program 10 times [2021-07-14 22:27:09,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:09,615 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624220666] [2021-07-14 22:27:09,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:09,692 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:27:09,693 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:09,693 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624220666] [2021-07-14 22:27:09,693 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624220666] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:09,693 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479929051] [2021-07-14 22:27:09,693 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) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:27:09,725 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:27:09,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:27:09,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 22:27:09,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:27:10,081 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 22:27:10,081 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:27:10,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-14 22:27:10,915 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 247 [2021-07-14 22:27:11,051 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 263 [2021-07-14 22:27:11,200 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-07-14 22:27:11,345 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-07-14 22:27:11,527 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-07-14 22:27:11,688 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 264 [2021-07-14 22:27:12,145 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 179 [2021-07-14 22:27:12,355 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 185 [2021-07-14 22:27:12,474 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 239 [2021-07-14 22:27:13,371 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:27:13,373 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:27:13,374 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:27:13,374 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-14 22:27:13,382 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:27:13,383 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479929051] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:13,383 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:27:13,383 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-07-14 22:27:13,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292553159] [2021-07-14 22:27:13,383 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 22:27:13,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:13,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 22:27:13,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-14 22:27:13,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:13,384 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:13,385 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.619047619047619) internal successors, (34), 20 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) [2021-07-14 22:27:13,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:13,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:13,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:13,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:13,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:13,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:13,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:13,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:13,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:13,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:27:13,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:27:13,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:13,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:27:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:27:13,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:27:13,751 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:27:13,751 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:13,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:13,752 INFO L82 PathProgramCache]: Analyzing trace with hash 730263306, now seen corresponding path program 11 times [2021-07-14 22:27:13,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:13,752 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283385575] [2021-07-14 22:27:13,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:27:13,880 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:13,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283385575] [2021-07-14 22:27:13,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283385575] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:13,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571910517] [2021-07-14 22:27:13,880 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 [2021-07-14 22:27:13,916 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 22:27:13,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:27:13,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 22:27:13,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:27:13,972 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:27:13,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571910517] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:13,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:27:13,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-14 22:27:13,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905626699] [2021-07-14 22:27:13,974 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 22:27:13,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:13,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 22:27:13,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2021-07-14 22:27:13,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:13,974 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:13,975 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 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) [2021-07-14 22:27:13,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:13,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:13,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:13,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:13,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:13,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:13,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:13,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:13,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:13,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:27:13,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:27:13,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:27:13,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:14,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:27:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:27:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:27:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:27:14,379 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable314,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:27:14,380 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:14,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:14,380 INFO L82 PathProgramCache]: Analyzing trace with hash -929468875, now seen corresponding path program 12 times [2021-07-14 22:27:14,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:14,380 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115185477] [2021-07-14 22:27:14,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:14,481 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:27:14,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:14,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115185477] [2021-07-14 22:27:14,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115185477] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:14,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13271393] [2021-07-14 22:27:14,482 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 [2021-07-14 22:27:14,513 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 22:27:14,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:27:14,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 22:27:14,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:27:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:27:14,590 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13271393] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:14,590 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:27:14,590 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-14 22:27:14,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700668382] [2021-07-14 22:27:14,592 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 22:27:14,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:14,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 22:27:14,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-14 22:27:14,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:14,593 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:14,593 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 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) [2021-07-14 22:27:14,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:14,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:14,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:14,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:14,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:14,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:14,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:14,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:14,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:14,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:27:14,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:27:14,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:27:14,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:27:14,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:14,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:14,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:14,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:14,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:27:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:27:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:27:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:27:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:15,006 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable315 [2021-07-14 22:27:15,006 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:15,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:15,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1251963416, now seen corresponding path program 13 times [2021-07-14 22:27:15,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:15,006 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035245946] [2021-07-14 22:27:15,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:15,144 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 22:27:15,144 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:15,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035245946] [2021-07-14 22:27:15,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035245946] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:15,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279589155] [2021-07-14 22:27:15,144 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 [2021-07-14 22:27:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:15,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 22:27:15,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:27:15,316 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 22:27:15,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279589155] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:15,317 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:27:15,317 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-14 22:27:15,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916028579] [2021-07-14 22:27:15,317 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 22:27:15,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:15,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 22:27:15,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-07-14 22:27:15,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:15,318 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:15,318 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) [2021-07-14 22:27:15,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:15,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:15,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:15,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:15,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:15,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:15,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:15,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:15,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:15,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:27:15,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:27:15,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:27:15,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:27:15,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:15,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:15,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:15,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:27:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:27:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:27:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:27:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:15,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:27:15,886 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable316,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:27:15,886 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:15,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:15,887 INFO L82 PathProgramCache]: Analyzing trace with hash 244797642, now seen corresponding path program 14 times [2021-07-14 22:27:15,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:15,887 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924496617] [2021-07-14 22:27:15,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 22:27:16,089 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:16,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924496617] [2021-07-14 22:27:16,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924496617] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:16,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917926918] [2021-07-14 22:27:16,090 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 [2021-07-14 22:27:16,123 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:27:16,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:27:16,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 22:27:16,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:27:16,300 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 22:27:16,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917926918] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:16,300 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:27:16,300 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2021-07-14 22:27:16,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367920152] [2021-07-14 22:27:16,301 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 22:27:16,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:16,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 22:27:16,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-07-14 22:27:16,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:16,302 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:16,302 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:27:16,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:16,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:16,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:16,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:16,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:16,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:16,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:16,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:16,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:16,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:27:16,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:27:16,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:27:16,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:27:16,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:16,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:27:16,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:16,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:27:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:27:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:27:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:27:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:27:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 22:27:16,900 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable317,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:27:16,901 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:16,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:16,901 INFO L82 PathProgramCache]: Analyzing trace with hash -912570280, now seen corresponding path program 15 times [2021-07-14 22:27:16,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:16,901 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190585928] [2021-07-14 22:27:16,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 22:27:17,085 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:17,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190585928] [2021-07-14 22:27:17,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190585928] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:17,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881158153] [2021-07-14 22:27:17,085 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 [2021-07-14 22:27:17,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 22:27:17,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:27:17,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 22:27:17,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:27:17,529 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:27:17,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881158153] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:17,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:27:17,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 28 [2021-07-14 22:27:17,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875176553] [2021-07-14 22:27:17,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 22:27:17,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:27:17,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 22:27:17,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=687, Unknown=0, NotChecked=0, Total=812 [2021-07-14 22:27:17,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:17,532 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:27:17,532 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) [2021-07-14 22:27:17,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:17,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:17,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:17,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:17,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:17,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:17,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:17,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:17,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:17,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:27:17,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:27:17,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:27:17,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:27:17,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:17,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:27:17,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 22:27:17,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:27:18,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:27:18,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:18,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:27:18,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:27:18,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:27:18,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:27:18,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:18,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:27:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:27:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:27:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:27:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:27:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:27:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:27:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:27:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 22:27:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:27:18,692 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable318,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:27:18,693 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:27:18,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:27:18,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1863729802, now seen corresponding path program 16 times [2021-07-14 22:27:18,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:27:18,693 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229046201] [2021-07-14 22:27:18,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:27:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:27:18,819 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:27:18,819 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:27:18,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229046201] [2021-07-14 22:27:18,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229046201] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:27:18,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227276902] [2021-07-14 22:27:18,820 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 [2021-07-14 22:27:18,848 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:27:18,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:27:18,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 22:27:18,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:27:19,496 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 22:27:19,497 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:27:19,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-07-14 22:27:20,558 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-14 22:27:20,718 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-14 22:27:21,887 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 299 [2021-07-14 22:27:21,998 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 321 [2021-07-14 22:27:22,210 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-14 22:27:22,465 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-14 22:27:22,965 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-14 22:27:23,563 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-14 22:27:24,529 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-14 22:27:24,711 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-14 22:27:24,937 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-14 22:27:25,734 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-14 22:27:26,473 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-14 22:27:26,764 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-14 22:27:27,171 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-14 22:27:27,622 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-14 22:27:28,378 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-14 22:27:29,273 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-14 22:27:30,822 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-14 22:27:32,165 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-14 22:27:32,381 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-14 22:27:33,138 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 344 [2021-07-14 22:27:33,271 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-14 22:27:33,697 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-14 22:27:34,177 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-14 22:27:34,973 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-14 22:27:35,123 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-14 22:27:35,318 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-14 22:27:36,630 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-07-14 22:27:36,874 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-14 22:27:37,180 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-14 22:27:37,575 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-14 22:27:38,242 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-14 22:27:39,019 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-14 22:27:40,433 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-14 22:27:43,892 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-14 22:27:47,892 WARN L205 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-14 22:27:52,341 WARN L205 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 22:27:56,778 WARN L205 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 22:28:02,028 WARN L205 SmtUtils]: Spent 5.24 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-14 22:28:06,952 WARN L205 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-14 22:28:12,215 WARN L205 SmtUtils]: Spent 5.24 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-14 22:28:20,380 WARN L205 SmtUtils]: Spent 8.15 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-14 22:28:20,555 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-14 22:28:21,677 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-14 22:28:23,616 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-14 22:28:30,246 WARN L205 SmtUtils]: Spent 6.62 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-14 22:28:30,556 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-14 22:28:30,846 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-14 22:28:31,825 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-14 22:28:32,185 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-14 22:28:32,726 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 258 [2021-07-14 22:28:33,845 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-14 22:28:34,071 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-14 22:28:34,381 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-14 22:28:34,847 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-14 22:28:35,797 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-14 22:28:36,137 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-14 22:28:36,448 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-14 22:28:36,918 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-14 22:28:38,023 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-14 22:28:39,394 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-14 22:28:39,684 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-14 22:28:40,679 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-14 22:28:40,917 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-14 22:28:41,289 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-14 22:28:42,187 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-14 22:28:42,393 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-14 22:28:42,663 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-14 22:28:42,999 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-14 22:28:43,734 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-14 22:28:44,705 WARN L205 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-14 22:28:45,593 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-14 22:28:45,762 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-14 22:28:45,997 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-14 22:28:46,308 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-14 22:28:47,318 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-14 22:28:47,470 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-14 22:28:47,688 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-14 22:28:47,974 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-14 22:28:48,342 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-14 22:28:49,289 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-14 22:28:51,170 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-14 22:28:54,280 WARN L205 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-14 22:28:57,828 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-14 22:29:02,399 WARN L205 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-14 22:29:03,530 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-14 22:29:03,910 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-14 22:29:04,516 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-14 22:29:05,330 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 219 [2021-07-14 22:29:05,569 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-14 22:29:05,784 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-14 22:29:06,063 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-14 22:29:06,463 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-14 22:29:06,655 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-14 22:29:07,653 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-14 22:29:07,855 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-14 22:29:08,779 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-14 22:29:08,943 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-14 22:29:09,335 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-14 22:29:09,881 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-14 22:29:10,660 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-14 22:29:11,918 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-14 22:29:13,665 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-14 22:29:14,361 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-14 22:29:14,984 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-14 22:29:15,378 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-14 22:29:15,493 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-14 22:29:17,116 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 224 [2021-07-14 22:29:17,247 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-14 22:29:17,405 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-14 22:29:17,713 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-14 22:29:18,353 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-14 22:29:19,357 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-14 22:29:20,760 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-14 22:29:24,233 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-14 22:29:28,265 WARN L205 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-14 22:29:34,057 WARN L205 SmtUtils]: Spent 5.78 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-14 22:29:45,502 WARN L205 SmtUtils]: Spent 11.43 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-14 22:29:46,773 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-14 22:29:47,344 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-14 22:29:48,137 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-14 22:29:48,646 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-14 22:29:49,507 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-14 22:29:49,722 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-14 22:29:49,941 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-14 22:29:50,844 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-14 22:29:51,682 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-14 22:29:52,610 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-14 22:29:53,708 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-14 22:29:54,140 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-14 22:29:54,958 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-14 22:29:55,957 WARN L205 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-14 22:29:57,188 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-14 22:29:58,504 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-14 22:30:00,439 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-14 22:30:03,082 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-14 22:30:03,922 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-14 22:30:04,296 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-14 22:30:04,598 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-14 22:30:05,936 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-14 22:30:06,838 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-14 22:30:07,109 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-14 22:30:07,513 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-14 22:30:08,245 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-14 22:30:09,306 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-14 22:30:09,491 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-14 22:30:10,171 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-14 22:30:10,362 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-14 22:30:10,651 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-14 22:30:11,950 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-14 22:30:13,871 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-14 22:30:18,945 WARN L205 SmtUtils]: Spent 5.07 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-14 22:30:27,433 WARN L205 SmtUtils]: Spent 8.48 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-14 22:30:35,475 WARN L205 SmtUtils]: Spent 8.03 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-14 22:30:36,258 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-14 22:30:36,975 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-14 22:30:37,144 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-14 22:30:37,880 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-14 22:30:38,834 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-14 22:30:39,000 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-14 22:30:39,224 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-14 22:30:39,538 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-14 22:30:39,930 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-14 22:30:40,415 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-14 22:30:40,985 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-14 22:30:42,143 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 221 [2021-07-14 22:30:42,358 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-14 22:30:42,615 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-14 22:30:42,959 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-14 22:30:43,460 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-14 22:30:44,011 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-14 22:30:44,690 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-14 22:30:46,057 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-14 22:30:46,985 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-14 22:30:47,159 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-14 22:30:47,431 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-14 22:30:47,771 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-14 22:30:47,975 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-14 22:30:48,642 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-14 22:30:48,877 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-14 22:30:49,179 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-14 22:30:49,892 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-14 22:30:51,019 WARN L205 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-14 22:30:53,591 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-14 22:30:56,939 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-14 22:30:57,083 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-14 22:30:57,687 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-14 22:30:57,887 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-14 22:30:58,477 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-14 22:30:58,827 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-14 22:30:59,909 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-14 22:31:00,060 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-14 22:31:00,256 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-14 22:31:00,552 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-14 22:31:00,963 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-14 22:31:01,855 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-14 22:31:03,075 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-14 22:31:04,317 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-07-14 22:31:04,503 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-14 22:31:04,767 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-14 22:31:05,058 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-14 22:31:05,436 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-14 22:31:07,285 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-14 22:31:12,765 WARN L205 SmtUtils]: Spent 5.47 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-14 22:31:18,957 WARN L205 SmtUtils]: Spent 6.18 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-14 22:31:34,405 WARN L205 SmtUtils]: Spent 15.43 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-14 22:32:03,804 WARN L205 SmtUtils]: Spent 29.37 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-14 22:32:04,885 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-14 22:32:05,079 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-14 22:32:37,676 WARN L205 SmtUtils]: Spent 32.58 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-14 22:33:16,548 WARN L205 SmtUtils]: Spent 38.83 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-14 22:33:17,640 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-14 22:33:17,858 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-14 22:33:18,104 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-14 22:33:57,792 WARN L205 SmtUtils]: Spent 39.67 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-14 22:34:38,751 WARN L205 SmtUtils]: Spent 40.91 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-14 22:35:26,793 WARN L205 SmtUtils]: Spent 47.98 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-14 22:35:30,493 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-14 22:35:30,661 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-14 22:35:32,141 WARN L205 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-14 22:35:32,821 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 240 [2021-07-14 22:35:35,881 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-14 22:35:36,049 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-14 22:35:36,195 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-14 22:35:37,335 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-14 22:35:38,082 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-14 22:35:39,078 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-14 22:35:39,881 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-14 22:35:40,239 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-14 22:35:40,997 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-14 22:35:41,174 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-14 22:35:41,579 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-14 22:35:41,941 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-14 22:35:42,384 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-14 22:35:43,998 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-14 22:35:44,329 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-14 22:35:45,171 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-14 22:35:46,272 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-14 22:35:47,773 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-14 22:35:48,719 WARN L205 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-14 22:35:49,846 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-14 22:35:50,150 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-14 22:35:50,852 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-14 22:35:51,074 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-14 22:35:51,439 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-14 22:35:51,689 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-14 22:35:52,343 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-14 22:35:52,531 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-14 22:35:53,377 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-14 22:35:53,569 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-14 22:35:53,980 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-14 22:35:54,924 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-14 22:35:55,445 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-14 22:35:55,741 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-14 22:35:56,550 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-14 22:35:57,600 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-14 22:35:58,928 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-14 22:36:00,675 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-14 22:36:02,933 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-14 22:36:05,759 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-14 22:36:10,459 WARN L205 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-14 22:36:16,803 WARN L205 SmtUtils]: Spent 6.34 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-14 22:36:17,211 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-14 22:36:17,409 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-14 22:36:17,624 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-14 22:36:17,974 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-14 22:36:19,408 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 192 [2021-07-14 22:36:19,542 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-14 22:36:19,726 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-14 22:36:19,974 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-14 22:36:20,374 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-14 22:36:20,938 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-14 22:36:21,063 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-07-14 22:36:21,227 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-14 22:36:21,335 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2021-07-14 22:36:22,474 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-14 22:36:22,650 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-14 22:36:22,855 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-14 22:36:23,153 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-14 22:36:23,534 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-14 22:36:24,122 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-14 22:36:24,728 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-14 22:36:25,997 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-14 22:36:27,482 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-14 22:36:29,469 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-14 22:36:29,710 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-14 22:36:29,970 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 22:36:30,144 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 22:36:30,332 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-14 22:36:31,326 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 151 [2021-07-14 22:36:31,467 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-14 22:36:31,668 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-14 22:36:31,926 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-14 22:36:32,281 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-14 22:36:32,769 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-14 22:36:32,957 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 22:36:33,138 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 22:36:34,303 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-14 22:36:34,481 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-14 22:36:34,752 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-14 22:36:35,147 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-14 22:36:36,152 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-14 22:36:37,498 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-14 22:36:40,877 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-14 22:36:50,735 WARN L205 SmtUtils]: Spent 9.85 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-14 22:37:02,316 WARN L205 SmtUtils]: Spent 11.20 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-14 22:37:15,522 WARN L205 SmtUtils]: Spent 13.19 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-14 22:37:29,044 WARN L205 SmtUtils]: Spent 13.50 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-14 22:37:42,760 WARN L205 SmtUtils]: Spent 13.70 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-14 22:37:58,572 WARN L205 SmtUtils]: Spent 15.78 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-14 22:39:04,404 WARN L205 SmtUtils]: Spent 1.10 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-14 22:40:16,943 WARN L205 SmtUtils]: Spent 1.21 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-14 22:41:29,205 WARN L205 SmtUtils]: Spent 1.20 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown