/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 12:55:45,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 12:55:45,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 12:55:45,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 12:55:45,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 12:55:45,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 12:55:45,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 12:55:45,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 12:55:45,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 12:55:45,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 12:55:45,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 12:55:45,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 12:55:45,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 12:55:45,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 12:55:45,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 12:55:45,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 12:55:45,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 12:55:45,103 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-Random42.epf [2021-06-17 12:55:45,140 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 12:55:45,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 12:55:45,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 12:55:45,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 12:55:45,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 12:55:45,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 12:55:45,144 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 12:55:45,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 12:55:45,144 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 12:55:45,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 12:55:45,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 12:55:45,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 12:55:45,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 12:55:45,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 12:55:45,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 12:55:45,146 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 12:55:45,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 12:55:45,146 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 12:55:45,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 12:55:45,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 12:55:45,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 12:55:45,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 12:55:45,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 12:55:45,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 12:55:45,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 12:55:45,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 12:55:45,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 12:55:45,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 12:55:45,148 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 12:55:45,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 12:55:45,148 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 12:55:45,148 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 12:55:45,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 12:55:45,149 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 12:55:45,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 12:55:45,149 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 12:55:45,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 12:55:45,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 12:55:45,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 12:55:45,499 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 12:55:45,500 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 12:55:45,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-06-17 12:55:45,501 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-06-17 12:55:45,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 12:55:45,532 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 12:55:45,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 12:55:45,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 12:55:45,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 12:55:45,544 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 17.06 12:55:45" (1/1) ... [2021-06-17 12:55:45,549 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 17.06 12:55:45" (1/1) ... [2021-06-17 12:55:45,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 12:55:45,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 12:55:45,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 12:55:45,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 12:55:45,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:55:45" (1/1) ... [2021-06-17 12:55:45,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:55:45" (1/1) ... [2021-06-17 12:55:45,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:55:45" (1/1) ... [2021-06-17 12:55:45,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:55:45" (1/1) ... [2021-06-17 12:55:45,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:55:45" (1/1) ... [2021-06-17 12:55:45,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:55:45" (1/1) ... [2021-06-17 12:55:45,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:55:45" (1/1) ... [2021-06-17 12:55:45,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 12:55:45,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 12:55:45,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 12:55:45,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 12:55:45,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:55:45" (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 [2021-06-17 12:55:45,704 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 12:55:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 12:55:45,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 12:55:45,704 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 12:55:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 12:55:45,705 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 12:55:45,705 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 12:55:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 12:55:45,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 12:55:45,706 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 12:55:45,925 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 12:55:45,925 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-17 12:55:45,926 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-17 12:55:45,926 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-17 12:55:45,928 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:55:45 BoogieIcfgContainer [2021-06-17 12:55:45,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 12:55:45,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 12:55:45,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 12:55:45,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 12:55:45,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:55:45" (1/2) ... [2021-06-17 12:55:45,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243f841f and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 12:55:45, skipping insertion in model container [2021-06-17 12:55:45,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:55:45" (2/2) ... [2021-06-17 12:55:45,933 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-06-17 12:55:45,937 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 12:55:45,937 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 12:55:45,937 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 12:55:45,938 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 12:55:45,955 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-17 12:55:45,968 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 [2021-06-17 12:55:46,014 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 12:55:46,014 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 12:55:46,014 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 12:55:46,014 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 12:55:46,020 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 12:55:46,020 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 12:55:46,020 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 12:55:46,020 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 12:55:46,068 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:55:46,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:55:46,087 INFO L82 PathProgramCache]: Analyzing trace with hash 333240611, now seen corresponding path program 1 times [2021-06-17 12:55:46,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:55:46,094 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206433598] [2021-06-17 12:55:46,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:55:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:46,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:55:46,289 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:55:46,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206433598] [2021-06-17 12:55:46,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206433598] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:55:46,290 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:55:46,290 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 12:55:46,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675819835] [2021-06-17 12:55:46,294 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 12:55:46,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:55:46,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 12:55:46,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 12:55:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:46,308 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:55:46,311 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) [2021-06-17 12:55:46,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:46,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:46,337 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 12:55:46,337 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:55:46,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:55:46,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1034217597, now seen corresponding path program 1 times [2021-06-17 12:55:46,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:55:46,341 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184001846] [2021-06-17 12:55:46,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:55:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:46,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:55:46,402 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:55:46,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184001846] [2021-06-17 12:55:46,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184001846] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:46,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775572630] [2021-06-17 12:55:46,403 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 [2021-06-17 12:55:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:46,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-17 12:55:46,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:55:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:55:46,588 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775572630] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:46,588 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:55:46,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-17 12:55:46,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141103706] [2021-06-17 12:55:46,590 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 12:55:46,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:55:46,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 12:55:46,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-17 12:55:46,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:46,594 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:55:46,594 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:55:46,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:46,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:46,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:46,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:46,849 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:46,849 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:55:46,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:55:46,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1995246966, now seen corresponding path program 1 times [2021-06-17 12:55:46,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:55:46,851 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662686543] [2021-06-17 12:55:46,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:55:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 12:55:46,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:55:46,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662686543] [2021-06-17 12:55:46,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662686543] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:46,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795449125] [2021-06-17 12:55:46,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:46,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-17 12:55:46,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:55:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 12:55:46,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795449125] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:46,986 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:55:46,986 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-17 12:55:46,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299085855] [2021-06-17 12:55:46,986 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 12:55:46,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:55:46,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 12:55:46,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 12:55:46,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:46,987 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:55:46,988 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) [2021-06-17 12:55:46,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:46,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:46,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:47,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:47,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:47,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:47,245 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:47,245 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:55:47,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:55:47,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1862592278, now seen corresponding path program 2 times [2021-06-17 12:55:47,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:55:47,246 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390734519] [2021-06-17 12:55:47,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:55:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:47,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 12:55:47,302 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:55:47,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390734519] [2021-06-17 12:55:47,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390734519] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:47,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001937359] [2021-06-17 12:55:47,302 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:47,333 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 12:55:47,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:55:47,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-17 12:55:47,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:55:47,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 12:55:47,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001937359] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:47,402 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:55:47,402 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-17 12:55:47,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040416964] [2021-06-17 12:55:47,402 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 12:55:47,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:55:47,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 12:55:47,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-17 12:55:47,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:47,403 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:55:47,403 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) [2021-06-17 12:55:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:47,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:47,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:47,662 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:47,663 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:55:47,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:55:47,663 INFO L82 PathProgramCache]: Analyzing trace with hash -2045264246, now seen corresponding path program 3 times [2021-06-17 12:55:47,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:55:47,666 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408932460] [2021-06-17 12:55:47,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:55:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:47,736 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 12:55:47,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:55:47,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408932460] [2021-06-17 12:55:47,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408932460] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:47,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627033848] [2021-06-17 12:55:47,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:47,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-17 12:55:47,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:55:47,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-17 12:55:47,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:55:47,875 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 12:55:47,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627033848] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:47,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:55:47,876 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-17 12:55:47,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521924312] [2021-06-17 12:55:47,878 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 12:55:47,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:55:47,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 12:55:47,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-17 12:55:47,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:47,880 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:55:47,880 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:55:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:47,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:47,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:47,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:47,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:47,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:48,139 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:48,140 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:55:48,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:55:48,141 INFO L82 PathProgramCache]: Analyzing trace with hash 881839338, now seen corresponding path program 4 times [2021-06-17 12:55:48,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:55:48,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935678414] [2021-06-17 12:55:48,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:55:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:48,181 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:55:48,181 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:55:48,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935678414] [2021-06-17 12:55:48,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935678414] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:48,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040985185] [2021-06-17 12:55:48,182 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:48,301 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 12:55:48,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:55:48,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 12:55:48,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:55:48,458 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 12:55:48,459 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 [2021-06-17 12:55:48,500 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 12:55:48,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 12:55:48,502 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 12:55:48,502 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-17 12:55:48,508 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:55:48,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040985185] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:48,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:55:48,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-06-17 12:55:48,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742762947] [2021-06-17 12:55:48,509 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 12:55:48,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:55:48,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 12:55:48,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-06-17 12:55:48,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:48,510 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:55:48,510 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) [2021-06-17 12:55:48,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:48,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:48,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:48,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:48,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:48,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:48,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:48,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:48,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:48,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:48,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:48,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:48,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:48,763 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:55:48,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:55:48,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1427737226, now seen corresponding path program 5 times [2021-06-17 12:55:48,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:55:48,764 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418893720] [2021-06-17 12:55:48,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:55:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:48,819 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:55:48,819 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:55:48,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418893720] [2021-06-17 12:55:48,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418893720] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:48,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027405632] [2021-06-17 12:55:48,820 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:48,851 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-17 12:55:48,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:55:48,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-17 12:55:48,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:55:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:55:48,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027405632] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:48,902 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:55:48,902 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-06-17 12:55:48,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184259383] [2021-06-17 12:55:48,903 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-17 12:55:48,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:55:48,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-17 12:55:48,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-06-17 12:55:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:48,904 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:55:48,904 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:55:48,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:48,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:48,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:48,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:48,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:48,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:48,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:48,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:48,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:48,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:49,198 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-17 12:55:49,199 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:55:49,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:55:49,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1310908515, now seen corresponding path program 6 times [2021-06-17 12:55:49,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:55:49,200 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267014825] [2021-06-17 12:55:49,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:55:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:49,372 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 12:55:49,372 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:55:49,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267014825] [2021-06-17 12:55:49,372 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267014825] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:49,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078206158] [2021-06-17 12:55:49,373 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:49,456 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-17 12:55:49,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:55:49,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-17 12:55:49,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:55:49,520 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 12:55:49,520 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078206158] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:49,520 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:55:49,520 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-17 12:55:49,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773789941] [2021-06-17 12:55:49,521 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 12:55:49,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:55:49,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 12:55:49,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-06-17 12:55:49,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:49,521 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:55:49,522 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 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) [2021-06-17 12:55:49,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:49,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:49,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:49,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:49,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:49,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:49,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:49,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:49,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:49,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:49,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:49,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:49,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:49,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:49,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:49,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:49,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-17 12:55:49,855 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:55:49,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:55:49,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1932768771, now seen corresponding path program 7 times [2021-06-17 12:55:49,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:55:49,855 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533245631] [2021-06-17 12:55:49,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:55:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:49,932 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 12:55:49,933 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:55:49,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533245631] [2021-06-17 12:55:49,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533245631] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:49,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306246692] [2021-06-17 12:55:49,933 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:49,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-17 12:55:49,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:55:50,034 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 12:55:50,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306246692] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:50,035 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:55:50,035 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-06-17 12:55:50,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200266767] [2021-06-17 12:55:50,035 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-17 12:55:50,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:55:50,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-17 12:55:50,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-06-17 12:55:50,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:50,036 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:55:50,036 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) [2021-06-17 12:55:50,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:50,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:50,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:50,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:50,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:50,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:50,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:50,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:50,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:50,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:50,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:50,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:50,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:50,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:50,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:50,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:50,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:50,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:55:50,377 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-17 12:55:50,377 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:55:50,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:55:50,378 INFO L82 PathProgramCache]: Analyzing trace with hash -264399773, now seen corresponding path program 8 times [2021-06-17 12:55:50,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:55:50,378 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789495199] [2021-06-17 12:55:50,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:55:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:50,485 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 12:55:50,485 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:55:50,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789495199] [2021-06-17 12:55:50,485 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789495199] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:50,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806828437] [2021-06-17 12:55:50,486 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:50,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 12:55:50,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:55:50,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 12:55:50,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:55:50,638 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 12:55:50,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806828437] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:50,638 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:55:50,639 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-06-17 12:55:50,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305466846] [2021-06-17 12:55:50,639 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-17 12:55:50,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:55:50,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-17 12:55:50,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-06-17 12:55:50,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:50,640 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:55:50,640 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) [2021-06-17 12:55:50,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:50,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:50,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:50,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:50,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:50,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:50,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:50,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:50,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:55:50,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:50,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:50,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:50,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:50,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:50,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:50,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:50,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:50,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:50,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:55:50,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:55:51,005 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-17 12:55:51,006 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:55:51,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:55:51,007 INFO L82 PathProgramCache]: Analyzing trace with hash 342852099, now seen corresponding path program 9 times [2021-06-17 12:55:51,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:55:51,007 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756836529] [2021-06-17 12:55:51,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:55:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:51,162 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:55:51,162 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:55:51,162 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756836529] [2021-06-17 12:55:51,163 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756836529] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:51,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366215534] [2021-06-17 12:55:51,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:51,217 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-17 12:55:51,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:55:51,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-17 12:55:51,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:55:51,590 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-17 12:55:51,590 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 12:55:51,591 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 [2021-06-17 12:55:52,601 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 263 [2021-06-17 12:55:52,806 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-06-17 12:55:52,928 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-06-17 12:55:53,107 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 264 [2021-06-17 12:55:53,834 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 239 [2021-06-17 12:55:54,802 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 12:55:54,803 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 12:55:54,804 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 12:55:54,804 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-17 12:55:54,809 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:55:54,809 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366215534] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:54,809 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:55:54,809 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-06-17 12:55:54,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2418739] [2021-06-17 12:55:54,809 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-17 12:55:54,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:55:54,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-17 12:55:54,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-06-17 12:55:54,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:54,810 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:55:54,810 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) [2021-06-17 12:55:54,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:54,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:54,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:54,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:54,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:54,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:54,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:54,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:54,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:55:54,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:55:54,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:54,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:54,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:54,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:54,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:54,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:54,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:54,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:54,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:54,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:55:54,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:55:54,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:55,109 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-17 12:55:55,109 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:55:55,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:55:55,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1987790947, now seen corresponding path program 10 times [2021-06-17 12:55:55,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:55:55,110 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349922593] [2021-06-17 12:55:55,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:55:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:55,193 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:55:55,194 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:55:55,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349922593] [2021-06-17 12:55:55,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349922593] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:55,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158118747] [2021-06-17 12:55:55,194 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:55,224 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 12:55:55,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:55:55,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-17 12:55:55,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:55:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:55:55,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158118747] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:55,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:55:55,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-17 12:55:55,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406965960] [2021-06-17 12:55:55,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-17 12:55:55,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:55:55,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-17 12:55:55,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-06-17 12:55:55,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:55,283 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:55:55,283 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 14 states have internal predecessors, (23), 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) [2021-06-17 12:55:55,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:55,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:55,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:55,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:55,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:55,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:55,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:55,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:55,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:55:55,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:55:55,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:55,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:55,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:55,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:55,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:55,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:55,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:55,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:55,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:55,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:55,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:55:55,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:55:55,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:55,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:55:55,631 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:55,631 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:55:55,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:55:55,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1492704682, now seen corresponding path program 11 times [2021-06-17 12:55:55,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:55:55,631 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204816300] [2021-06-17 12:55:55,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:55:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:55,743 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 12:55:55,743 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:55:55,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204816300] [2021-06-17 12:55:55,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204816300] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:55,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715756325] [2021-06-17 12:55:55,744 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 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 [2021-06-17 12:55:55,808 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-17 12:55:55,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:55:55,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-17 12:55:55,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:55:56,037 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 3 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:55:56,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715756325] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:56,037 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:55:56,037 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 24 [2021-06-17 12:55:56,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165257349] [2021-06-17 12:55:56,038 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-17 12:55:56,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:55:56,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-17 12:55:56,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2021-06-17 12:55:56,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:56,039 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:55:56,039 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:55:56,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:56,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:56,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:56,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:56,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:56,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:56,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:56,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:56,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:55:56,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:55:56,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:56,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:55:56,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:56,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:55:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:55:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:55:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 12:55:56,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable314 [2021-06-17 12:55:56,828 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:55:56,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:55:56,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1730972682, now seen corresponding path program 12 times [2021-06-17 12:55:56,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:55:56,829 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265810707] [2021-06-17 12:55:56,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:55:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:56,971 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 12:55:56,972 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:55:56,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265810707] [2021-06-17 12:55:56,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265810707] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:56,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895186033] [2021-06-17 12:55:56,972 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 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 [2021-06-17 12:55:57,040 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-17 12:55:57,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:55:57,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-17 12:55:57,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:55:57,340 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:55:57,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895186033] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:57,340 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:55:57,340 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-06-17 12:55:57,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155954716] [2021-06-17 12:55:57,341 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-17 12:55:57,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:55:57,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-17 12:55:57,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-06-17 12:55:57,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:57,341 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:55:57,342 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:55:57,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:57,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:57,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:57,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:57,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:57,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:57,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:57,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:57,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:55:57,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:55:57,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:57,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:55:57,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 12:55:57,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:57,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:57,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:57,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:57,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:57,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:57,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:57,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:57,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:57,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:55:57,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:55:57,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:57,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:55:57,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 12:55:57,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 12:55:57,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:55:57,917 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:55:57,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:55:57,917 INFO L82 PathProgramCache]: Analyzing trace with hash 527346090, now seen corresponding path program 13 times [2021-06-17 12:55:57,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:55:57,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726159645] [2021-06-17 12:55:57,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:55:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 12:55:58,097 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:55:58,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726159645] [2021-06-17 12:55:58,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726159645] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:58,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137191500] [2021-06-17 12:55:58,097 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 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 [2021-06-17 12:55:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:58,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-17 12:55:58,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:55:58,306 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 12:55:58,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137191500] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:58,307 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:55:58,307 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-17 12:55:58,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117076429] [2021-06-17 12:55:58,307 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-17 12:55:58,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:55:58,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-17 12:55:58,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-06-17 12:55:58,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:58,308 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:55:58,308 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:55:58,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:58,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:58,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:58,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:58,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:58,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:58,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:58,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:58,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:55:58,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:55:58,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:58,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:55:58,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 12:55:58,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 12:55:58,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:55:58,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:55:58,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:58,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:55:58,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:55:58,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:55:58,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:55:58,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 12:55:58,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 12:55:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:55:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 12:55:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:55:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 12:55:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 12:55:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 12:55:58,804 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable316 [2021-06-17 12:55:58,804 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:55:58,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:55:58,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1869627402, now seen corresponding path program 14 times [2021-06-17 12:55:58,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:55:58,805 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709709326] [2021-06-17 12:55:58,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:55:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:55:58,972 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:55:58,972 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:55:58,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709709326] [2021-06-17 12:55:58,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709709326] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:55:58,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568809784] [2021-06-17 12:55:58,973 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 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 [2021-06-17 12:55:59,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 12:55:59,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:55:59,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-17 12:55:59,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:55:59,740 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-17 12:55:59,741 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 12:55:59,741 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 [2021-06-17 12:56:00,766 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-06-17 12:56:00,929 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-06-17 12:56:02,221 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-06-17 12:56:02,496 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-06-17 12:56:02,991 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-06-17 12:56:03,555 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-06-17 12:56:04,491 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-06-17 12:56:04,701 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-06-17 12:56:04,938 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-06-17 12:56:05,562 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 279 [2021-06-17 12:56:05,691 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-06-17 12:56:06,361 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-06-17 12:56:06,645 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-06-17 12:56:07,053 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-06-17 12:56:07,598 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-06-17 12:56:08,398 WARN L205 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-06-17 12:56:09,313 WARN L205 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-06-17 12:56:10,952 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-06-17 12:56:12,109 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-06-17 12:56:12,338 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-06-17 12:56:13,075 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 344 [2021-06-17 12:56:13,211 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-06-17 12:56:13,643 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-06-17 12:56:14,138 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-06-17 12:56:15,101 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-06-17 12:56:15,263 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-06-17 12:56:15,457 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-06-17 12:56:16,588 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-06-17 12:56:16,840 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-06-17 12:56:17,166 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-06-17 12:56:17,554 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-06-17 12:56:18,230 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-06-17 12:56:19,011 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-06-17 12:56:20,444 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-06-17 12:56:24,415 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-06-17 12:56:28,763 WARN L205 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-06-17 12:56:33,351 WARN L205 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-17 12:56:38,088 WARN L205 SmtUtils]: Spent 4.72 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-17 12:56:43,866 WARN L205 SmtUtils]: Spent 5.77 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-06-17 12:56:48,849 WARN L205 SmtUtils]: Spent 4.97 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-06-17 12:56:54,510 WARN L205 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-06-17 12:57:03,108 WARN L205 SmtUtils]: Spent 8.57 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-06-17 12:57:03,296 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-06-17 12:57:04,445 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-06-17 12:57:06,572 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-06-17 12:57:13,688 WARN L205 SmtUtils]: Spent 7.10 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-06-17 12:57:14,013 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-06-17 12:57:14,340 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-06-17 12:57:15,389 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-06-17 12:57:15,682 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-06-17 12:57:16,230 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 258 [2021-06-17 12:57:17,198 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-06-17 12:57:17,437 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-06-17 12:57:17,754 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-06-17 12:57:18,344 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-06-17 12:57:18,462 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 337 [2021-06-17 12:57:19,208 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 185 [2021-06-17 12:57:19,354 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-06-17 12:57:19,709 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-06-17 12:57:20,037 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-06-17 12:57:20,561 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-06-17 12:57:21,702 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-06-17 12:57:22,874 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 253 [2021-06-17 12:57:23,139 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-06-17 12:57:23,455 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-06-17 12:57:24,471 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-06-17 12:57:24,745 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-06-17 12:57:25,075 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-06-17 12:57:25,869 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-06-17 12:57:26,022 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-06-17 12:57:26,228 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-06-17 12:57:26,511 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-06-17 12:57:26,863 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-06-17 12:57:27,631 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-06-17 12:57:28,665 WARN L205 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-06-17 12:57:29,444 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2021-06-17 12:57:29,618 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-06-17 12:57:29,804 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-06-17 12:57:30,137 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-06-17 12:57:30,465 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-06-17 12:57:31,513 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-06-17 12:57:31,666 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-06-17 12:57:31,879 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-06-17 12:57:32,186 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-06-17 12:57:32,552 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-06-17 12:57:33,357 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-06-17 12:57:35,336 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-06-17 12:57:38,761 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-06-17 12:57:42,491 WARN L205 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-06-17 12:57:47,354 WARN L205 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-06-17 12:57:48,504 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-06-17 12:57:48,890 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-06-17 12:57:49,507 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-06-17 12:57:50,321 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 219 [2021-06-17 12:57:50,632 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-06-17 12:57:50,844 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-06-17 12:57:51,134 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-06-17 12:57:51,572 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-06-17 12:57:51,787 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-06-17 12:57:52,986 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-06-17 12:57:53,215 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-06-17 12:57:54,248 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-06-17 12:57:54,421 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-06-17 12:57:54,901 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-06-17 12:57:55,462 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-06-17 12:57:56,267 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-06-17 12:57:57,605 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-06-17 12:57:59,619 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-06-17 12:58:00,434 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-06-17 12:58:01,083 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-06-17 12:58:01,486 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-06-17 12:58:01,603 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-06-17 12:58:03,245 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 224 [2021-06-17 12:58:03,384 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-06-17 12:58:03,550 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-06-17 12:58:03,882 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-06-17 12:58:04,561 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-06-17 12:58:05,574 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-06-17 12:58:07,099 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-06-17 12:58:10,717 WARN L205 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-06-17 12:58:15,215 WARN L205 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-06-17 12:58:21,272 WARN L205 SmtUtils]: Spent 6.04 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-06-17 12:58:33,656 WARN L205 SmtUtils]: Spent 12.37 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-06-17 12:58:35,270 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-06-17 12:58:35,940 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-06-17 12:58:36,792 WARN L205 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-06-17 12:58:37,431 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-06-17 12:58:38,509 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-06-17 12:58:38,719 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-06-17 12:58:38,963 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-06-17 12:58:39,888 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-06-17 12:58:40,968 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-06-17 12:58:41,950 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-06-17 12:58:43,073 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-06-17 12:58:43,538 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-06-17 12:58:44,365 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-06-17 12:58:45,387 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-06-17 12:58:46,673 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-06-17 12:58:48,040 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-06-17 12:58:50,072 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-06-17 12:58:52,954 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-06-17 12:58:53,839 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-06-17 12:58:54,240 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-06-17 12:58:54,546 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-06-17 12:58:56,000 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-06-17 12:58:56,935 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-06-17 12:58:57,210 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-06-17 12:58:57,629 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-06-17 12:58:58,365 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-06-17 12:58:59,465 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-06-17 12:58:59,661 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-06-17 12:59:00,369 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-06-17 12:59:00,555 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-06-17 12:59:00,869 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-06-17 12:59:02,296 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-06-17 12:59:04,251 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-06-17 12:59:09,847 WARN L205 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-06-17 12:59:17,110 WARN L205 SmtUtils]: Spent 7.25 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-06-17 12:59:26,413 WARN L205 SmtUtils]: Spent 9.29 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-06-17 12:59:27,117 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-06-17 12:59:27,852 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-06-17 12:59:28,035 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-06-17 12:59:28,487 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 275 [2021-06-17 12:59:28,791 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-06-17 12:59:29,781 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-06-17 12:59:29,961 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-06-17 12:59:30,194 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-06-17 12:59:30,544 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-06-17 12:59:30,933 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-06-17 12:59:31,424 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-06-17 12:59:32,007 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-06-17 12:59:33,327 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-06-17 12:59:33,602 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-06-17 12:59:33,955 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-06-17 12:59:34,455 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-06-17 12:59:35,016 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-06-17 12:59:35,749 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-06-17 12:59:37,217 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-06-17 12:59:38,175 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-06-17 12:59:38,342 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-06-17 12:59:38,607 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-06-17 12:59:38,993 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-06-17 12:59:39,189 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-06-17 12:59:39,879 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-06-17 12:59:40,126 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-06-17 12:59:40,425 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-06-17 12:59:41,191 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-06-17 12:59:42,356 WARN L205 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-06-17 12:59:44,969 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-06-17 12:59:48,428 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-06-17 12:59:48,581 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-06-17 12:59:49,208 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-06-17 12:59:49,408 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-06-17 12:59:50,039 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-06-17 12:59:50,436 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-06-17 12:59:51,551 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-06-17 12:59:51,726 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-06-17 12:59:51,972 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-06-17 12:59:52,318 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-06-17 12:59:52,741 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-06-17 12:59:53,648 WARN L205 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-06-17 12:59:55,014 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-06-17 12:59:56,124 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-06-17 12:59:56,304 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-06-17 12:59:56,564 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-06-17 12:59:56,849 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-06-17 12:59:57,232 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-06-17 12:59:59,086 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-06-17 13:00:05,600 WARN L205 SmtUtils]: Spent 6.51 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-06-17 13:00:13,128 WARN L205 SmtUtils]: Spent 7.51 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-06-17 13:00:31,334 WARN L205 SmtUtils]: Spent 18.19 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-06-17 13:01:04,587 WARN L205 SmtUtils]: Spent 33.22 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-06-17 13:01:05,257 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 218 [2021-06-17 13:01:06,034 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-06-17 13:01:06,263 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-06-17 13:01:41,256 WARN L205 SmtUtils]: Spent 34.98 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-06-17 13:02:22,254 WARN L205 SmtUtils]: Spent 40.93 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-06-17 13:02:23,396 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-06-17 13:02:23,602 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-06-17 13:02:23,867 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-06-17 13:03:05,478 WARN L205 SmtUtils]: Spent 41.59 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-06-17 13:03:48,178 WARN L205 SmtUtils]: Spent 42.64 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-06-17 13:04:38,185 WARN L205 SmtUtils]: Spent 49.94 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-06-17 13:04:42,179 WARN L205 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-06-17 13:04:42,360 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-06-17 13:04:43,894 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-06-17 13:04:44,564 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 240 [2021-06-17 13:04:47,533 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-06-17 13:04:47,694 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-06-17 13:04:47,855 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-06-17 13:04:48,987 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-06-17 13:04:49,728 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-06-17 13:04:50,814 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-06-17 13:04:51,775 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-06-17 13:04:52,162 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-06-17 13:04:52,945 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-06-17 13:04:53,121 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-06-17 13:04:53,559 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-06-17 13:04:53,961 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-06-17 13:04:54,395 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-06-17 13:04:55,824 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 207 [2021-06-17 13:04:56,116 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-06-17 13:04:56,466 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-06-17 13:04:57,306 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-06-17 13:04:58,504 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-06-17 13:04:59,999 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-06-17 13:05:01,074 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-06-17 13:05:02,674 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-06-17 13:05:02,980 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-06-17 13:05:03,686 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 250 [2021-06-17 13:05:03,854 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-06-17 13:05:04,133 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-06-17 13:05:04,615 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-06-17 13:05:04,807 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 266 [2021-06-17 13:05:05,001 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-06-17 13:05:05,611 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2021-06-17 13:05:05,900 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-06-17 13:05:06,149 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-06-17 13:05:07,132 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-06-17 13:05:07,341 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-06-17 13:05:07,836 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-06-17 13:05:07,979 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 242 [2021-06-17 13:05:08,887 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-06-17 13:05:09,481 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-06-17 13:05:09,790 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-06-17 13:05:10,686 WARN L205 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-06-17 13:05:11,843 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-06-17 13:05:13,666 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-06-17 13:05:16,206 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-06-17 13:05:18,934 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-06-17 13:05:22,805 WARN L205 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-06-17 13:05:27,903 WARN L205 SmtUtils]: Spent 5.09 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-06-17 13:05:35,711 WARN L205 SmtUtils]: Spent 7.80 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-06-17 13:05:36,308 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-06-17 13:05:36,584 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-06-17 13:05:36,799 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-06-17 13:05:37,234 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-06-17 13:05:38,968 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 192 [2021-06-17 13:05:39,127 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-06-17 13:05:39,396 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-06-17 13:05:39,674 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-06-17 13:05:40,131 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-06-17 13:05:40,896 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-06-17 13:05:41,089 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-06-17 13:05:41,322 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-06-17 13:05:41,444 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2021-06-17 13:05:42,693 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-06-17 13:05:42,913 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-06-17 13:05:43,193 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-06-17 13:05:43,557 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-06-17 13:05:43,999 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-06-17 13:05:44,603 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-06-17 13:05:45,304 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-06-17 13:05:46,802 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-06-17 13:05:48,595 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-06-17 13:05:50,824 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-06-17 13:05:51,087 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-06-17 13:05:51,198 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 356 [2021-06-17 13:05:51,412 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-17 13:05:51,600 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-17 13:05:51,825 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-06-17 13:05:52,972 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 151 [2021-06-17 13:05:53,131 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-06-17 13:05:53,419 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-06-17 13:05:53,775 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-06-17 13:05:54,350 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-06-17 13:05:54,989 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-06-17 13:05:55,172 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-17 13:05:55,370 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-17 13:05:56,654 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-06-17 13:05:56,833 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-06-17 13:05:57,098 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-06-17 13:05:57,525 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-06-17 13:05:58,577 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-06-17 13:06:00,047 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-06-17 13:06:03,610 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-06-17 13:06:14,091 WARN L205 SmtUtils]: Spent 10.47 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-06-17 13:06:25,905 WARN L205 SmtUtils]: Spent 11.41 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-06-17 13:06:39,839 WARN L205 SmtUtils]: Spent 13.91 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-06-17 13:06:54,239 WARN L205 SmtUtils]: Spent 14.37 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-06-17 13:07:08,600 WARN L205 SmtUtils]: Spent 14.34 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-06-17 13:07:25,603 WARN L205 SmtUtils]: Spent 16.98 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-06-17 13:08:34,500 WARN L205 SmtUtils]: Spent 1.15 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-06-17 13:09:52,323 WARN L205 SmtUtils]: Spent 1.30 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