/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 10:20:00,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 10:20:00,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 10:20:00,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 10:20:00,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 10:20:00,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 10:20:00,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 10:20:00,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 10:20:00,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 10:20:00,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 10:20:00,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 10:20:00,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 10:20:00,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 10:20:00,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 10:20:00,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 10:20:00,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 10:20:00,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 10:20:00,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 10:20:00,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 10:20:00,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 10:20:00,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 10:20:00,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 10:20:00,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 10:20:00,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 10:20:00,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 10:20:00,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 10:20:00,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 10:20:00,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 10:20:00,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 10:20:00,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 10:20:00,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 10:20:00,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 10:20:00,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 10:20:00,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 10:20:00,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 10:20:00,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 10:20:00,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 10:20:00,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 10:20:00,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 10:20:00,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 10:20:00,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 10:20:00,688 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2021-07-14 10:20:00,715 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 10:20:00,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 10:20:00,716 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 10:20:00,716 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 10:20:00,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 10:20:00,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 10:20:00,718 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 10:20:00,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 10:20:00,718 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 10:20:00,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 10:20:00,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 10:20:00,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 10:20:00,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 10:20:00,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 10:20:00,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 10:20:00,737 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 10:20:00,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 10:20:00,737 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 10:20:00,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 10:20:00,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 10:20:00,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 10:20:00,738 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 10:20:00,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 10:20:00,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 10:20:00,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 10:20:00,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 10:20:00,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 10:20:00,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 10:20:00,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 10:20:00,739 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 10:20:00,739 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 10:20:00,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 10:20:00,739 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 10:20:00,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 10:20:00,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 10:20:01,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 10:20:01,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 10:20:01,013 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 10:20:01,013 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 10:20:01,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-07-14 10:20:01,014 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-07-14 10:20:01,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 10:20:01,033 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 10:20:01,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 10:20:01,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 10:20:01,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 10:20:01,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:20:01" (1/1) ... [2021-07-14 10:20:01,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:20:01" (1/1) ... [2021-07-14 10:20:01,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 10:20:01,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 10:20:01,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 10:20:01,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 10:20:01,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:20:01" (1/1) ... [2021-07-14 10:20:01,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:20:01" (1/1) ... [2021-07-14 10:20:01,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:20:01" (1/1) ... [2021-07-14 10:20:01,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:20:01" (1/1) ... [2021-07-14 10:20:01,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:20:01" (1/1) ... [2021-07-14 10:20:01,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:20:01" (1/1) ... [2021-07-14 10:20:01,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:20:01" (1/1) ... [2021-07-14 10:20:01,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 10:20:01,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 10:20:01,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 10:20:01,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 10:20:01,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:20:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 10:20:01,124 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 10:20:01,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 10:20:01,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 10:20:01,124 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 10:20:01,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 10:20:01,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 10:20:01,125 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 10:20:01,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 10:20:01,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 10:20:01,125 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 10:20:01,280 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 10:20:01,280 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 10:20:01,281 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 10:20:01,281 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 10:20:01,282 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:20:01 BoogieIcfgContainer [2021-07-14 10:20:01,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 10:20:01,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 10:20:01,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 10:20:01,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 10:20:01,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:20:01" (1/2) ... [2021-07-14 10:20:01,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d7e323 and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:20:01, skipping insertion in model container [2021-07-14 10:20:01,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:20:01" (2/2) ... [2021-07-14 10:20:01,287 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-07-14 10:20:01,290 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 10:20:01,290 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 10:20:01,290 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 10:20:01,291 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 10:20:01,307 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 10:20:01,321 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 10:20:01,354 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 10:20:01,354 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 10:20:01,354 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 10:20:01,354 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 10:20:01,354 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 10:20:01,354 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 10:20:01,354 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 10:20:01,354 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 10:20:01,383 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:01,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:01,387 INFO L82 PathProgramCache]: Analyzing trace with hash 327878231, now seen corresponding path program 1 times [2021-07-14 10:20:01,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:01,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316968308] [2021-07-14 10:20:01,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:01,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:01,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316968308] [2021-07-14 10:20:01,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316968308] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:20:01,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:20:01,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 10:20:01,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725528358] [2021-07-14 10:20:01,511 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 10:20:01,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:01,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 10:20:01,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 10:20:01,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:01,522 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:01,523 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:20:01,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:01,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:01,532 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 10:20:01,532 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:01,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:01,533 INFO L82 PathProgramCache]: Analyzing trace with hash 652599305, now seen corresponding path program 1 times [2021-07-14 10:20:01,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:01,533 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104207966] [2021-07-14 10:20:01,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:01,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:01,560 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:01,560 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104207966] [2021-07-14 10:20:01,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104207966] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:01,561 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213771819] [2021-07-14 10:20:01,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:01,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 10:20:01,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:01,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:01,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213771819] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:01,643 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:20:01,643 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-14 10:20:01,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952605226] [2021-07-14 10:20:01,644 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 10:20:01,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:01,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 10:20:01,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 10:20:01,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:01,645 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:01,645 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:20:01,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:01,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:01,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:01,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:01,891 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:01,892 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:01,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:01,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1221187306, now seen corresponding path program 1 times [2021-07-14 10:20:01,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:01,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405335031] [2021-07-14 10:20:01,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:01,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 10:20:01,952 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:01,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405335031] [2021-07-14 10:20:01,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405335031] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:01,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282199681] [2021-07-14 10:20:01,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:02,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 10:20:02,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:02,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 10:20:02,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282199681] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:02,060 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:20:02,060 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 10:20:02,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945935799] [2021-07-14 10:20:02,061 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 10:20:02,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:02,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 10:20:02,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 10:20:02,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:02,061 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:02,062 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:20:02,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:02,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:02,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:02,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:02,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:02,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:02,295 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:02,295 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:02,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:02,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1598119496, now seen corresponding path program 2 times [2021-07-14 10:20:02,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:02,296 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288673522] [2021-07-14 10:20:02,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:02,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 10:20:02,368 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:02,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288673522] [2021-07-14 10:20:02,368 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288673522] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:02,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250215471] [2021-07-14 10:20:02,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:02,404 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:20:02,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:20:02,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 10:20:02,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:02,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 10:20:02,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250215471] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:02,444 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:20:02,444 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-14 10:20:02,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862469283] [2021-07-14 10:20:02,444 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 10:20:02,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:02,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 10:20:02,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-14 10:20:02,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:02,445 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:02,445 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:20:02,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:02,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:02,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:02,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:02,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:02,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:02,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:02,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:02,723 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:02,723 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:02,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:02,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1197682858, now seen corresponding path program 3 times [2021-07-14 10:20:02,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:02,724 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755660624] [2021-07-14 10:20:02,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 10:20:02,773 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:02,773 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755660624] [2021-07-14 10:20:02,773 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755660624] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:02,773 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074340232] [2021-07-14 10:20:02,773 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:02,797 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 10:20:02,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:20:02,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 10:20:02,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:02,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 10:20:02,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074340232] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:02,855 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:20:02,855 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-14 10:20:02,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981826633] [2021-07-14 10:20:02,856 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 10:20:02,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:02,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 10:20:02,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-14 10:20:02,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:02,858 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:02,858 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:20:02,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:02,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:02,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:02,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:02,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:02,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:02,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:02,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:02,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:02,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:03,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:03,121 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:03,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:03,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1968209912, now seen corresponding path program 4 times [2021-07-14 10:20:03,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:03,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404478944] [2021-07-14 10:20:03,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:03,194 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:03,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:03,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404478944] [2021-07-14 10:20:03,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404478944] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:03,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468603268] [2021-07-14 10:20:03,195 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:03,226 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:20:03,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:20:03,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 10:20:03,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:03,324 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:20:03,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-14 10:20:03,370 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:20:03,371 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:20:03,372 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:20:03,372 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-14 10:20:03,377 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:03,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468603268] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:03,378 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:20:03,378 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-14 10:20:03,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386848835] [2021-07-14 10:20:03,378 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 10:20:03,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:03,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 10:20:03,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-07-14 10:20:03,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:03,379 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:03,379 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 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) [2021-07-14 10:20:03,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:03,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:03,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:03,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:03,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:03,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:03,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:03,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:03,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:03,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:03,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:03,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:03,644 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:03,644 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:03,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:03,645 INFO L82 PathProgramCache]: Analyzing trace with hash -84744810, now seen corresponding path program 5 times [2021-07-14 10:20:03,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:03,645 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200504322] [2021-07-14 10:20:03,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:03,698 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:03,698 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:03,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200504322] [2021-07-14 10:20:03,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200504322] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:03,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454253640] [2021-07-14 10:20:03,699 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:03,723 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 10:20:03,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:20:03,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 10:20:03,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:03,785 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:03,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454253640] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:03,785 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:20:03,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-14 10:20:03,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902052659] [2021-07-14 10:20:03,786 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 10:20:03,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:03,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 10:20:03,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-14 10:20:03,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:03,787 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:03,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:20:03,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:03,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:03,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:03,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:03,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:03,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:03,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:03,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:03,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:04,086 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 10:20:04,087 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:04,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:04,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1690948905, now seen corresponding path program 6 times [2021-07-14 10:20:04,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:04,087 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068910490] [2021-07-14 10:20:04,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:04,161 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 10:20:04,162 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:04,162 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068910490] [2021-07-14 10:20:04,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068910490] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:04,162 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296228500] [2021-07-14 10:20:04,162 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:04,186 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 10:20:04,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:20:04,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 10:20:04,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:04,253 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 10:20:04,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296228500] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:04,254 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:20:04,254 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-14 10:20:04,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710466578] [2021-07-14 10:20:04,254 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 10:20:04,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:04,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 10:20:04,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-07-14 10:20:04,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:04,257 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:04,257 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:20:04,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:04,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:04,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:04,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:04,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:04,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:04,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:04,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:04,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:04,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:04,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:04,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:04,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:04,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:04,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:04,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:20:04,581 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 10:20:04,581 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:04,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:04,582 INFO L82 PathProgramCache]: Analyzing trace with hash -775286985, now seen corresponding path program 7 times [2021-07-14 10:20:04,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:04,582 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840325211] [2021-07-14 10:20:04,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:04,655 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 10:20:04,656 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:04,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840325211] [2021-07-14 10:20:04,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840325211] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:04,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605087761] [2021-07-14 10:20:04,656 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:04,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 10:20:04,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 10:20:04,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605087761] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:04,749 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:20:04,749 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-14 10:20:04,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633715299] [2021-07-14 10:20:04,750 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 10:20:04,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:04,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 10:20:04,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-14 10:20:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:04,750 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:04,751 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:20:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:20:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:04,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:04,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:04,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:04,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:04,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:04,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:04,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:04,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:20:04,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:05,107 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 10:20:05,107 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:05,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:05,108 INFO L82 PathProgramCache]: Analyzing trace with hash 80811753, now seen corresponding path program 8 times [2021-07-14 10:20:05,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:05,108 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982322202] [2021-07-14 10:20:05,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:05,193 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 10:20:05,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:05,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982322202] [2021-07-14 10:20:05,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982322202] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:05,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839809612] [2021-07-14 10:20:05,194 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:05,223 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:20:05,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:20:05,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 10:20:05,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:05,309 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 10:20:05,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839809612] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:05,310 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:20:05,310 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-14 10:20:05,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607341693] [2021-07-14 10:20:05,311 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 10:20:05,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:05,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 10:20:05,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-07-14 10:20:05,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:05,312 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:05,312 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:20:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:20:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:20:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:20:05,662 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 10:20:05,662 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:05,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:05,662 INFO L82 PathProgramCache]: Analyzing trace with hash 850068855, now seen corresponding path program 9 times [2021-07-14 10:20:05,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:05,662 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618476021] [2021-07-14 10:20:05,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:05,734 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:05,734 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:05,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618476021] [2021-07-14 10:20:05,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618476021] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:05,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568212083] [2021-07-14 10:20:05,734 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:05,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 10:20:05,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:20:05,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 10:20:05,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:06,009 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:20:06,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-14 10:20:06,763 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 263 [2021-07-14 10:20:06,958 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-07-14 10:20:07,096 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-07-14 10:20:07,802 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 239 [2021-07-14 10:20:08,535 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:20:08,537 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:20:08,537 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:20:08,537 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-14 10:20:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:08,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568212083] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:08,542 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:20:08,542 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-07-14 10:20:08,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032039870] [2021-07-14 10:20:08,542 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 10:20:08,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:08,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 10:20:08,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-14 10:20:08,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:08,543 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:08,543 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:20:08,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:08,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:08,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:08,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:08,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:08,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:08,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:08,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:20:08,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:08,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:20:08,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:20:08,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:08,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:20:08,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:20:08,863 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 10:20:08,864 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:08,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:08,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1072764759, now seen corresponding path program 10 times [2021-07-14 10:20:08,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:08,864 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471671829] [2021-07-14 10:20:08,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:08,939 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:08,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:08,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471671829] [2021-07-14 10:20:08,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471671829] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:08,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583233547] [2021-07-14 10:20:08,939 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:08,963 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:20:08,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:20:08,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 10:20:08,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:09,021 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:09,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583233547] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:09,022 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:20:09,022 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-14 10:20:09,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033978653] [2021-07-14 10:20:09,022 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 10:20:09,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:09,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 10:20:09,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-14 10:20:09,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:09,023 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:09,023 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:20:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:20:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:20:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:20:09,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:09,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:09,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:09,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:09,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:09,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:09,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:09,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:09,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:20:09,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:09,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:20:09,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:20:09,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:20:09,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:09,392 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:09,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:09,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1127101558, now seen corresponding path program 11 times [2021-07-14 10:20:09,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:09,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889520175] [2021-07-14 10:20:09,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:09,503 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 10:20:09,504 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:09,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889520175] [2021-07-14 10:20:09,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889520175] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:09,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543485847] [2021-07-14 10:20:09,504 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 [2021-07-14 10:20:09,535 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 10:20:09,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:20:09,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 10:20:09,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:09,657 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 10:20:09,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543485847] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:09,658 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:20:09,658 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-14 10:20:09,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511872491] [2021-07-14 10:20:09,658 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 10:20:09,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:09,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 10:20:09,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-07-14 10:20:09,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:09,659 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:09,659 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:20:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:20:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:20:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:20:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:20:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:20:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:20:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:20:09,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:20:09,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:20:10,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable314 [2021-07-14 10:20:10,205 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:10,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:10,205 INFO L82 PathProgramCache]: Analyzing trace with hash 119935784, now seen corresponding path program 12 times [2021-07-14 10:20:10,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:10,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039898471] [2021-07-14 10:20:10,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:10,330 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 10:20:10,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:10,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039898471] [2021-07-14 10:20:10,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039898471] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:10,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713298109] [2021-07-14 10:20:10,331 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 [2021-07-14 10:20:10,380 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 10:20:10,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:20:10,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 10:20:10,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:10,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713298109] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:10,633 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:20:10,633 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-07-14 10:20:10,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097016862] [2021-07-14 10:20:10,634 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 10:20:10,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:10,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 10:20:10,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-07-14 10:20:10,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:10,634 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:10,634 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:20:10,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:10,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:10,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:10,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:10,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:10,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:10,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:10,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:20:10,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:10,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:20:10,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:20:10,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:20:10,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:20:10,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:11,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:11,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:11,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:11,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:11,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:11,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:11,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:11,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:20:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:20:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:20:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:20:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:20:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:20:11,367 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:20:11,367 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:11,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:11,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1037432138, now seen corresponding path program 13 times [2021-07-14 10:20:11,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:11,368 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146069757] [2021-07-14 10:20:11,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:11,521 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 10:20:11,521 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:11,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146069757] [2021-07-14 10:20:11,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146069757] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:11,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257835833] [2021-07-14 10:20:11,521 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 [2021-07-14 10:20:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:11,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 10:20:11,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:11,714 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 10:20:11,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257835833] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:11,715 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:20:11,715 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-14 10:20:11,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082397286] [2021-07-14 10:20:11,715 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 10:20:11,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:20:11,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 10:20:11,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-07-14 10:20:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:11,716 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:20:11,716 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:20:11,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:11,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:11,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:11,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:11,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:11,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:11,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:11,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:20:11,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:11,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:20:11,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:20:11,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:20:11,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:20:11,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:20:11,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:20:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:20:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:20:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:20:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:20:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:20:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:20:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:20:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:20:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:20:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:20:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:20:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:20:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:20:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:20:12,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable316 [2021-07-14 10:20:12,269 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:20:12,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:20:12,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1738867944, now seen corresponding path program 14 times [2021-07-14 10:20:12,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:20:12,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004396879] [2021-07-14 10:20:12,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:20:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:20:12,365 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:20:12,365 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:20:12,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004396879] [2021-07-14 10:20:12,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004396879] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:20:12,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536535550] [2021-07-14 10:20:12,365 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 [2021-07-14 10:20:12,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:20:12,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:20:12,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 10:20:12,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:20:13,047 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 10:20:13,048 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:20:13,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-07-14 10:20:13,850 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-14 10:20:14,001 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-14 10:20:15,216 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-14 10:20:15,474 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-14 10:20:15,934 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-14 10:20:16,495 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-14 10:20:17,306 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-14 10:20:17,531 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-14 10:20:17,749 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-14 10:20:18,446 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-14 10:20:19,062 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-14 10:20:19,381 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-14 10:20:19,770 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-14 10:20:20,210 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-14 10:20:20,949 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-14 10:20:21,798 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-14 10:20:23,330 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-14 10:20:24,590 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-14 10:20:24,801 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-14 10:20:25,555 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-14 10:20:25,962 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-14 10:20:26,444 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-14 10:20:27,133 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-14 10:20:27,284 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-14 10:20:27,491 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-14 10:20:28,040 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 370 [2021-07-14 10:20:28,606 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-07-14 10:20:28,841 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-14 10:20:29,159 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-14 10:20:29,534 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-14 10:20:30,186 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-14 10:20:30,961 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-14 10:20:32,320 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-14 10:20:35,720 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-14 10:20:39,630 WARN L205 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-14 10:20:44,084 WARN L205 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 10:20:48,542 WARN L205 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 10:20:53,818 WARN L205 SmtUtils]: Spent 5.26 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-14 10:20:58,716 WARN L205 SmtUtils]: Spent 4.88 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-14 10:21:03,984 WARN L205 SmtUtils]: Spent 5.25 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-14 10:21:12,235 WARN L205 SmtUtils]: Spent 8.22 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-14 10:21:12,433 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-14 10:21:13,491 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-14 10:21:15,439 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-14 10:21:22,134 WARN L205 SmtUtils]: Spent 6.68 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-14 10:21:22,456 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-14 10:21:22,765 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-14 10:21:23,755 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-14 10:21:24,042 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-14 10:21:25,496 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-14 10:21:25,733 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-14 10:21:26,036 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-14 10:21:26,516 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-14 10:21:27,478 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-14 10:21:27,806 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-14 10:21:28,121 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-14 10:21:28,585 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-14 10:21:29,644 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-14 10:21:30,904 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-14 10:21:31,186 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-14 10:21:32,140 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-14 10:21:32,381 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-14 10:21:32,715 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-14 10:21:33,619 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-14 10:21:33,836 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-14 10:21:34,101 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-14 10:21:34,452 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-14 10:21:35,197 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-14 10:21:36,170 WARN L205 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-14 10:21:37,035 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-14 10:21:37,204 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-14 10:21:37,437 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-14 10:21:37,756 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-14 10:21:38,750 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-14 10:21:38,901 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-14 10:21:39,109 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-14 10:21:39,395 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-14 10:21:39,745 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-14 10:21:40,491 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-14 10:21:42,347 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-14 10:21:45,388 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-14 10:21:48,898 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-14 10:21:53,421 WARN L205 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-14 10:21:54,548 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-14 10:21:54,923 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-14 10:21:55,524 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-14 10:21:56,516 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-14 10:21:56,718 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-14 10:21:56,998 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-14 10:21:57,395 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-14 10:21:57,584 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-14 10:21:58,524 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-14 10:21:58,727 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-14 10:21:59,607 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-14 10:21:59,787 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-14 10:22:00,164 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-14 10:22:00,701 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-14 10:22:01,472 WARN L205 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-14 10:22:02,694 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-14 10:22:04,386 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-14 10:22:05,070 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-14 10:22:05,672 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-14 10:22:06,055 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-14 10:22:06,166 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-14 10:22:07,814 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-14 10:22:07,984 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-14 10:22:08,278 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-14 10:22:08,905 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-14 10:22:09,844 WARN L205 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-14 10:22:11,218 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-14 10:22:14,616 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-14 10:22:18,585 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-14 10:22:24,302 WARN L205 SmtUtils]: Spent 5.71 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-14 10:22:35,658 WARN L205 SmtUtils]: Spent 11.34 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-14 10:22:36,942 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-14 10:22:37,527 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-14 10:22:38,338 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-14 10:22:38,847 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-14 10:22:39,651 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-14 10:22:39,872 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-14 10:22:40,092 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-14 10:22:40,984 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-14 10:22:41,824 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-14 10:22:42,718 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-14 10:22:43,811 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-14 10:22:44,249 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-14 10:22:45,066 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-14 10:22:46,048 WARN L205 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-14 10:22:47,290 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-14 10:22:48,596 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-14 10:22:50,525 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-14 10:22:53,143 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-14 10:22:53,982 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-14 10:22:54,352 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-14 10:22:54,654 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-14 10:22:55,936 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-14 10:22:56,805 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-14 10:22:57,092 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-14 10:22:57,494 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-14 10:22:58,217 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-14 10:22:59,280 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-14 10:22:59,458 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-14 10:23:00,133 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-14 10:23:00,312 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-14 10:23:00,589 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-14 10:23:01,868 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-14 10:23:03,769 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-14 10:23:08,680 WARN L205 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-14 10:23:15,448 WARN L205 SmtUtils]: Spent 6.76 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-14 10:23:23,070 WARN L205 SmtUtils]: Spent 7.61 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-14 10:23:23,742 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-14 10:23:24,451 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-14 10:23:24,618 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-14 10:23:25,323 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-14 10:23:26,247 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-14 10:23:26,403 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-14 10:23:26,637 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-14 10:23:26,935 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-14 10:23:27,316 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-14 10:23:27,781 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-14 10:23:28,341 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-14 10:23:29,423 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 221 [2021-07-14 10:23:29,615 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-14 10:23:29,867 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-14 10:23:30,209 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-14 10:23:30,825 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-14 10:23:31,367 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-14 10:23:32,027 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-14 10:23:33,383 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-14 10:23:34,266 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-14 10:23:34,426 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-14 10:23:34,697 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-14 10:23:35,036 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-14 10:23:35,230 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-14 10:23:35,657 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 278 [2021-07-14 10:23:35,882 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-14 10:23:36,105 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-14 10:23:36,411 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-14 10:23:37,116 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-14 10:23:38,214 WARN L205 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-14 10:23:40,728 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-14 10:23:44,015 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-14 10:23:44,166 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-14 10:23:44,775 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-14 10:23:44,963 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-14 10:23:45,557 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-14 10:23:45,913 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-14 10:23:46,906 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-14 10:23:47,070 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-14 10:23:47,264 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-14 10:23:47,567 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-14 10:23:47,969 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-14 10:23:48,835 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-14 10:23:50,025 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-14 10:23:51,092 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-07-14 10:23:51,267 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-14 10:23:51,516 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-14 10:23:51,798 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-14 10:23:52,177 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-14 10:23:53,951 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-14 10:23:59,227 WARN L205 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-14 10:24:05,200 WARN L205 SmtUtils]: Spent 5.96 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-14 10:24:20,006 WARN L205 SmtUtils]: Spent 14.79 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-14 10:24:48,618 WARN L205 SmtUtils]: Spent 28.59 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-14 10:24:49,673 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-14 10:24:49,855 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-14 10:25:21,833 WARN L205 SmtUtils]: Spent 31.96 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-14 10:25:59,963 WARN L205 SmtUtils]: Spent 38.08 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-14 10:26:01,080 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-14 10:26:01,285 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-14 10:26:01,524 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-14 10:26:40,198 WARN L205 SmtUtils]: Spent 38.66 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-14 10:27:20,231 WARN L205 SmtUtils]: Spent 39.98 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-14 10:28:07,482 WARN L205 SmtUtils]: Spent 47.19 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-14 10:28:11,065 WARN L205 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-14 10:28:11,225 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-14 10:28:12,650 WARN L205 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-14 10:28:13,184 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 234 [2021-07-14 10:28:16,222 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-14 10:28:16,383 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-14 10:28:16,523 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-14 10:28:17,620 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-14 10:28:18,318 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-14 10:28:19,256 WARN L205 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-14 10:28:20,023 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-14 10:28:20,356 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-14 10:28:21,062 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-14 10:28:21,230 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-14 10:28:21,599 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-14 10:28:21,952 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-14 10:28:22,377 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-14 10:28:23,888 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-14 10:28:24,209 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-14 10:28:25,022 WARN L205 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-14 10:28:26,078 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-14 10:28:27,512 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-14 10:28:28,423 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-14 10:28:29,507 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-14 10:28:29,807 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-14 10:28:30,457 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-14 10:28:30,667 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-14 10:28:31,025 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-14 10:28:31,268 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-14 10:28:31,914 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-14 10:28:32,089 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-14 10:28:32,891 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-14 10:28:33,087 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-14 10:28:33,485 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-14 10:28:34,412 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-14 10:28:34,922 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-14 10:28:35,218 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-14 10:28:36,009 WARN L205 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-14 10:28:37,033 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-14 10:28:38,343 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-14 10:28:40,065 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-14 10:28:42,280 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-14 10:28:45,052 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-14 10:28:49,648 WARN L205 SmtUtils]: Spent 4.59 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-14 10:28:55,855 WARN L205 SmtUtils]: Spent 6.20 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-14 10:28:56,259 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-14 10:28:56,461 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-14 10:28:56,664 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-14 10:28:57,008 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-14 10:28:58,498 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-14 10:28:58,667 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-14 10:28:58,920 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-14 10:28:59,315 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-14 10:28:59,851 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-14 10:28:59,972 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-07-14 10:29:00,132 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-14 10:29:01,326 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-14 10:29:01,489 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-14 10:29:01,706 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-14 10:29:01,994 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-14 10:29:02,372 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-14 10:29:02,942 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-14 10:29:03,535 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-14 10:29:04,784 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-14 10:29:06,228 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-14 10:29:08,183 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-14 10:29:08,428 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-14 10:29:08,677 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 10:29:08,856 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 10:29:09,033 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-14 10:29:10,130 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-14 10:29:10,322 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-14 10:29:10,577 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-14 10:29:10,934 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-14 10:29:11,426 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-14 10:29:11,607 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 10:29:11,797 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 10:29:12,877 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-14 10:29:13,070 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-14 10:29:13,333 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-14 10:29:13,736 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-14 10:29:14,742 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-14 10:29:16,072 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-14 10:29:19,413 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-14 10:29:29,104 WARN L205 SmtUtils]: Spent 9.68 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-14 10:29:40,406 WARN L205 SmtUtils]: Spent 10.92 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-14 10:29:53,436 WARN L205 SmtUtils]: Spent 13.01 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-14 10:30:06,844 WARN L205 SmtUtils]: Spent 13.39 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-14 10:30:20,351 WARN L205 SmtUtils]: Spent 13.49 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-14 10:30:35,798 WARN L205 SmtUtils]: Spent 15.43 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-14 10:31:40,361 WARN L205 SmtUtils]: Spent 1.08 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-14 10:32:51,009 WARN L205 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-14 10:34:01,481 WARN L205 SmtUtils]: Spent 1.17 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