/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 17:08:09,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 17:08:09,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 17:08:09,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-07 17:08:09,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-07 17:08:09,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-07 17:08:09,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-07 17:08:09,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-07 17:08:09,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-07 17:08:09,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-07 17:08:09,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-07 17:08:09,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-07 17:08:09,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 17:08:09,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 17:08:09,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 17:08:09,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 17:08:09,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 17:08:09,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 17:08:09,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 17:08:09,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 17:08:09,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 17:08:09,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 17:08:09,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 17:08:09,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 17:08:09,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-07 17:08:09,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-07 17:08:09,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-07 17:08:09,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-07 17:08:09,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-07 17:08:09,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-07 17:08:09,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-07 17:08:09,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-07 17:08:09,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-07 17:08:09,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-07 17:08:09,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-07 17:08:09,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-07 17:08:09,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-07 17:08:09,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-07 17:08:09,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 17:08:09,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 17:08:09,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 17:08:09,988 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-DelaySleep-NoLbe-Lockstep.epf [2021-06-07 17:08:10,029 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 17:08:10,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 17:08:10,029 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 17:08:10,029 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 17:08:10,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 17:08:10,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 17:08:10,032 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 17:08:10,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 17:08:10,032 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 17:08:10,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 17:08:10,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 17:08:10,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 17:08:10,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 17:08:10,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 17:08:10,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 17:08:10,034 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 17:08:10,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 17:08:10,034 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 17:08:10,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 17:08:10,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 17:08:10,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 17:08:10,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 17:08:10,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 17:08:10,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 17:08:10,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 17:08:10,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 17:08:10,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 17:08:10,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 17:08:10,035 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 17:08:10,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 17:08:10,036 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 17:08:10,036 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 17:08:10,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 17:08:10,036 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 17:08:10,036 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 17:08:10,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 17:08:10,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 17:08:10,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 17:08:10,329 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 17:08:10,330 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 17:08:10,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl [2021-06-07 17:08:10,331 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl' [2021-06-07 17:08:10,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 17:08:10,367 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 17:08:10,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 17:08:10,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 17:08:10,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 17:08:10,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:08:10" (1/1) ... [2021-06-07 17:08:10,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:08:10" (1/1) ... [2021-06-07 17:08:10,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 17:08:10,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 17:08:10,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 17:08:10,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 17:08:10,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:08:10" (1/1) ... [2021-06-07 17:08:10,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:08:10" (1/1) ... [2021-06-07 17:08:10,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:08:10" (1/1) ... [2021-06-07 17:08:10,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:08:10" (1/1) ... [2021-06-07 17:08:10,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:08:10" (1/1) ... [2021-06-07 17:08:10,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:08:10" (1/1) ... [2021-06-07 17:08:10,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:08:10" (1/1) ... [2021-06-07 17:08:10,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 17:08:10,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 17:08:10,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 17:08:10,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 17:08:10,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:08:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 17:08:10,472 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 17:08:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 17:08:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 17:08:10,473 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 17:08:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 17:08:10,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 17:08:10,473 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 17:08:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 17:08:10,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 17:08:10,474 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-07 17:08:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-07 17:08:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-07 17:08:10,476 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 17:08:10,708 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 17:08:10,709 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 17:08:10,710 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 05:08:10 BoogieIcfgContainer [2021-06-07 17:08:10,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 17:08:10,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 17:08:10,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 17:08:10,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 17:08:10,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:08:10" (1/2) ... [2021-06-07 17:08:10,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19274bc3 and model type sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 05:08:10, skipping insertion in model container [2021-06-07 17:08:10,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 05:08:10" (2/2) ... [2021-06-07 17:08:10,716 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array.wvr.bpl [2021-06-07 17:08:10,720 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 17:08:10,720 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 17:08:10,721 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 17:08:10,721 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 17:08:10,749 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-07 17:08:10,767 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 17:08:10,839 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 17:08:10,840 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 17:08:10,840 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 17:08:10,840 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 17:08:10,840 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 17:08:10,840 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 17:08:10,840 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 17:08:10,840 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 17:08:10,929 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:10,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:10,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1759948657, now seen corresponding path program 1 times [2021-06-07 17:08:10,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:10,940 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268459039] [2021-06-07 17:08:10,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:11,051 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:11,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268459039] [2021-06-07 17:08:11,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268459039] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 17:08:11,053 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 17:08:11,053 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 17:08:11,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209941856] [2021-06-07 17:08:11,057 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 17:08:11,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:11,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 17:08:11,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 17:08:11,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:11,069 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:11,070 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:11,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:11,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:11,095 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 17:08:11,095 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:11,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:11,096 INFO L82 PathProgramCache]: Analyzing trace with hash -383688237, now seen corresponding path program 1 times [2021-06-07 17:08:11,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:11,096 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689939136] [2021-06-07 17:08:11,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:11,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 17:08:11,174 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:11,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689939136] [2021-06-07 17:08:11,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689939136] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 17:08:11,175 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 17:08:11,175 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 17:08:11,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172674988] [2021-06-07 17:08:11,176 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 17:08:11,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:11,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 17:08:11,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 17:08:11,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:11,178 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:11,178 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:11,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:11,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:11,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:11,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:11,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 17:08:11,251 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:11,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:11,252 INFO L82 PathProgramCache]: Analyzing trace with hash 2013796853, now seen corresponding path program 1 times [2021-06-07 17:08:11,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:11,253 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566336137] [2021-06-07 17:08:11,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:11,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:11,608 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:11,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566336137] [2021-06-07 17:08:11,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566336137] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:11,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739875018] [2021-06-07 17:08:11,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:11,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-07 17:08:11,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:11,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 17:08:11,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-07 17:08:11,948 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 17:08:11,952 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:08:11,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 17:08:11,955 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:3 [2021-06-07 17:08:11,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:11,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739875018] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:11,986 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:11,986 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-07 17:08:11,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758151608] [2021-06-07 17:08:11,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-07 17:08:11,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:11,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-07 17:08:11,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-07 17:08:11,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:11,990 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:11,990 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:11,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:11,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:11,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:12,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:12,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:12,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:12,383 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:12,383 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:12,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:12,384 INFO L82 PathProgramCache]: Analyzing trace with hash 486460247, now seen corresponding path program 2 times [2021-06-07 17:08:12,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:12,385 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536437874] [2021-06-07 17:08:12,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:12,458 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:12,459 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:12,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536437874] [2021-06-07 17:08:12,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536437874] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:12,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441509089] [2021-06-07 17:08:12,463 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:12,508 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 17:08:12,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:08:12,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 17:08:12,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:12,643 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:12,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441509089] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:12,644 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:12,644 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-07 17:08:12,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279265795] [2021-06-07 17:08:12,644 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-07 17:08:12,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:12,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-07 17:08:12,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-07 17:08:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:12,645 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:12,645 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:12,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:12,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:12,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:12,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:12,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:12,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:12,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:12,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:13,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:13,033 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:13,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:13,033 INFO L82 PathProgramCache]: Analyzing trace with hash 595724435, now seen corresponding path program 1 times [2021-06-07 17:08:13,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:13,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478491849] [2021-06-07 17:08:13,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:13,102 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 17:08:13,103 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:13,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478491849] [2021-06-07 17:08:13,103 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478491849] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:13,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71765635] [2021-06-07 17:08:13,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:13,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 17:08:13,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:13,228 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 17:08:13,229 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71765635] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:13,229 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:13,229 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-07 17:08:13,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358080736] [2021-06-07 17:08:13,229 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 17:08:13,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:13,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 17:08:13,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-07 17:08:13,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:13,231 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:13,231 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 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) [2021-06-07 17:08:13,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:13,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:13,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:13,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:13,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:13,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:13,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:13,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:13,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:13,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:13,572 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:13,573 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:13,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:13,574 INFO L82 PathProgramCache]: Analyzing trace with hash 655534197, now seen corresponding path program 2 times [2021-06-07 17:08:13,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:13,574 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613241484] [2021-06-07 17:08:13,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:13,961 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:13,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613241484] [2021-06-07 17:08:13,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613241484] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:13,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352214504] [2021-06-07 17:08:13,962 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:13,998 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 17:08:13,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:08:13,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-07 17:08:14,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:14,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:14,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 17:08:14,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-06-07 17:08:14,364 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 17:08:14,369 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:08:14,370 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 17:08:14,370 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:3 [2021-06-07 17:08:14,392 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:14,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352214504] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:14,393 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:14,393 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-06-07 17:08:14,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980145085] [2021-06-07 17:08:14,393 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-07 17:08:14,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:14,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-07 17:08:14,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2021-06-07 17:08:14,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:14,395 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:14,395 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.409090909090909) internal successors, (53), 22 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:15,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:15,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:15,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:15,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:15,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:15,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:15,560 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-07 17:08:15,561 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:15,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:15,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1996826665, now seen corresponding path program 3 times [2021-06-07 17:08:15,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:15,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018493710] [2021-06-07 17:08:15,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:15,658 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:15,658 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:15,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018493710] [2021-06-07 17:08:15,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018493710] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:15,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217087429] [2021-06-07 17:08:15,658 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:15,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-07 17:08:15,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:08:15,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 17:08:15,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:15,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217087429] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:15,890 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:15,890 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-07 17:08:15,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060834330] [2021-06-07 17:08:15,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-07 17:08:15,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:15,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-07 17:08:15,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-07 17:08:15,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:15,892 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:15,892 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.6) internal successors, (52), 20 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:15,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:15,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:15,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:15,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:15,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:15,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:15,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:16,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:16,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:16,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:16,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:16,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:16,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:16,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:16,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:16,585 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:16,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:16,585 INFO L82 PathProgramCache]: Analyzing trace with hash -509356781, now seen corresponding path program 4 times [2021-06-07 17:08:16,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:16,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090732576] [2021-06-07 17:08:16,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:16,677 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 17:08:16,677 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:16,677 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090732576] [2021-06-07 17:08:16,677 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090732576] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:16,677 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275525272] [2021-06-07 17:08:16,677 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:16,712 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 17:08:16,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:08:16,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 17:08:16,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 17:08:16,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275525272] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:16,855 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:16,855 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-07 17:08:16,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329492065] [2021-06-07 17:08:16,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-07 17:08:16,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:16,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-07 17:08:16,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-07 17:08:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:16,856 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:16,856 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:16,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:16,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:16,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:16,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:17,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:17,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:17,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:17,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:17,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:17,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:17,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:17,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:17,248 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:17,249 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:17,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:17,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1165004043, now seen corresponding path program 5 times [2021-06-07 17:08:17,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:17,249 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119389879] [2021-06-07 17:08:17,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:17,773 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:17,774 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:17,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119389879] [2021-06-07 17:08:17,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119389879] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:17,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089485988] [2021-06-07 17:08:17,776 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:17,816 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-07 17:08:17,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:08:17,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-07 17:08:17,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:18,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 17:08:18,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:18,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:18,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:18,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:18,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2021-06-07 17:08:18,566 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 17:08:18,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:08:18,573 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 17:08:18,573 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:48, output treesize:3 [2021-06-07 17:08:18,597 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:18,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089485988] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:18,597 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:18,597 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-06-07 17:08:18,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232337533] [2021-06-07 17:08:18,598 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-07 17:08:18,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:18,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-07 17:08:18,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2021-06-07 17:08:18,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:18,599 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:18,599 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.225806451612903) internal successors, (69), 31 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:18,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:18,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:18,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:18,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:18,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:18,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:18,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:18,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:18,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:20,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:20,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:20,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:20,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:20,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:20,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:20,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:20,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:20,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:20,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-06-07 17:08:20,361 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:20,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:20,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1032042631, now seen corresponding path program 6 times [2021-06-07 17:08:20,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:20,362 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440744726] [2021-06-07 17:08:20,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:21,077 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 4 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:21,077 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:21,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440744726] [2021-06-07 17:08:21,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440744726] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:21,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642041267] [2021-06-07 17:08:21,078 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:21,128 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-07 17:08:21,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:08:21,130 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-07 17:08:21,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:22,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:22,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 17:08:22,167 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:08:22,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 43 treesize of output 107 [2021-06-07 17:08:22,486 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-07 17:08:22,627 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 23 [2021-06-07 17:08:22,627 INFO L628 ElimStorePlain]: treesize reduction 1124, result has 2.7 percent of original size [2021-06-07 17:08:22,639 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 17:08:22,639 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:65, output treesize:19 [2021-06-07 17:08:22,717 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:22,718 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642041267] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:22,718 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:22,718 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22] total 37 [2021-06-07 17:08:22,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624309689] [2021-06-07 17:08:22,718 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-07 17:08:22,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:22,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-07 17:08:22,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1214, Unknown=0, NotChecked=0, Total=1332 [2021-06-07 17:08:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:22,719 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:22,720 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.054054054054054) internal successors, (76), 37 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:22,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:24,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:24,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:24,897 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:24,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:24,897 INFO L82 PathProgramCache]: Analyzing trace with hash -457280549, now seen corresponding path program 7 times [2021-06-07 17:08:24,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:24,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40881376] [2021-06-07 17:08:24,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:25,060 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 25 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:25,060 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:25,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40881376] [2021-06-07 17:08:25,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40881376] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:25,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78674430] [2021-06-07 17:08:25,060 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:25,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-07 17:08:25,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 36 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:25,470 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78674430] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:25,470 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:25,470 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 31 [2021-06-07 17:08:25,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575119590] [2021-06-07 17:08:25,471 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-07 17:08:25,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:25,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-07 17:08:25,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=765, Unknown=0, NotChecked=0, Total=930 [2021-06-07 17:08:25,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:25,473 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:25,473 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.3870967741935485) internal successors, (74), 31 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:25,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:25,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:25,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:25,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:25,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:25,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:25,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:26,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:26,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-06-07 17:08:26,897 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:26,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:26,897 INFO L82 PathProgramCache]: Analyzing trace with hash -111202187, now seen corresponding path program 8 times [2021-06-07 17:08:26,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:26,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558581822] [2021-06-07 17:08:26,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:27,057 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 40 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:27,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:27,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558581822] [2021-06-07 17:08:27,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558581822] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:27,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703433395] [2021-06-07 17:08:27,057 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:27,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 17:08:27,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:08:27,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-07 17:08:27,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 49 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-07 17:08:27,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703433395] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:27,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:27,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 36 [2021-06-07 17:08:27,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025727274] [2021-06-07 17:08:27,438 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-07 17:08:27,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:27,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-07 17:08:27,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1083, Unknown=0, NotChecked=0, Total=1260 [2021-06-07 17:08:27,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:27,439 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:27,439 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.5) internal successors, (90), 36 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:27,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:27,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:27,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:27,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:27,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:27,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:28,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:28,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:28,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:28,259 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-06-07 17:08:28,259 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:28,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:28,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1055382231, now seen corresponding path program 9 times [2021-06-07 17:08:28,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:28,260 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871188057] [2021-06-07 17:08:28,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:28,466 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 40 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:28,467 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:28,467 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871188057] [2021-06-07 17:08:28,467 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871188057] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:28,467 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321778336] [2021-06-07 17:08:28,467 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:28,518 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-07 17:08:28,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:08:28,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-07 17:08:28,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 40 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:28,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321778336] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:28,932 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:28,932 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 38 [2021-06-07 17:08:28,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531358773] [2021-06-07 17:08:28,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-07 17:08:28,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:28,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-07 17:08:28,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1133, Unknown=0, NotChecked=0, Total=1406 [2021-06-07 17:08:28,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:28,934 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:28,934 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 38 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:28,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:28,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:28,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:29,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:29,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:29,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:29,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:29,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:29,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:29,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:29,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:29,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:29,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:29,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:29,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:29,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:29,412 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-06-07 17:08:29,413 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:29,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:29,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1156543673, now seen corresponding path program 10 times [2021-06-07 17:08:29,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:29,413 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033403284] [2021-06-07 17:08:29,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:30,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:30,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033403284] [2021-06-07 17:08:30,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033403284] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:30,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014970020] [2021-06-07 17:08:30,286 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:30,329 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 17:08:30,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:08:30,330 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2021-06-07 17:08:30,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:31,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 17:08:31,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 17:08:31,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 17:08:31,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:31,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 36 disjoint index pairs (out of 66 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 37 [2021-06-07 17:08:31,510 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 17:08:31,517 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:08:31,518 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 17:08:31,518 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:115, output treesize:7 [2021-06-07 17:08:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:31,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014970020] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:31,548 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:31,548 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 37 [2021-06-07 17:08:31,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392734216] [2021-06-07 17:08:31,548 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-07 17:08:31,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:31,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-07 17:08:31,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1234, Unknown=0, NotChecked=0, Total=1332 [2021-06-07 17:08:31,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:31,549 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:31,549 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.2432432432432434) internal successors, (83), 37 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:31,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:31,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:31,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:31,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:31,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:31,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:31,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:31,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:31,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:31,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:31,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:31,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:31,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:31,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:31,898 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-07 17:08:32,228 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-06-07 17:08:32,553 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-06-07 17:08:32,881 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-07 17:08:33,202 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-07 17:08:33,502 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-07 17:08:33,803 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-07 17:08:34,131 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-06-07 17:08:34,439 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-06-07 17:08:34,697 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-06-07 17:08:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:35,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:35,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:35,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:35,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:08:35,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-06-07 17:08:35,265 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:35,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:35,265 INFO L82 PathProgramCache]: Analyzing trace with hash -411558373, now seen corresponding path program 11 times [2021-06-07 17:08:35,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:35,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180707584] [2021-06-07 17:08:35,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 64 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:35,490 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:35,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180707584] [2021-06-07 17:08:35,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180707584] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:35,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9777051] [2021-06-07 17:08:35,491 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:35,541 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-07 17:08:35,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:08:35,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-07 17:08:35,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:36,065 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 81 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:36,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9777051] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:36,065 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:36,065 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 43 [2021-06-07 17:08:36,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619593730] [2021-06-07 17:08:36,065 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-07 17:08:36,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:36,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-07 17:08:36,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=1488, Unknown=0, NotChecked=0, Total=1806 [2021-06-07 17:08:36,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:36,066 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:36,067 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 2.2790697674418605) internal successors, (98), 43 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:08:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:38,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:38,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:38,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:38,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:38,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:38,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:38,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:38,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:38,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:38,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:38,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:38,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:38,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:38,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:08:38,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-07 17:08:38,269 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:38,269 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:38,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:38,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1782590133, now seen corresponding path program 12 times [2021-06-07 17:08:38,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:38,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973624326] [2021-06-07 17:08:38,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:38,529 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 85 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:38,529 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:38,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973624326] [2021-06-07 17:08:38,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973624326] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:38,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304951000] [2021-06-07 17:08:38,529 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:38,572 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-07 17:08:38,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:08:38,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-07 17:08:38,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:39,159 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 85 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:39,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304951000] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:39,160 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:39,160 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 48 [2021-06-07 17:08:39,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141928031] [2021-06-07 17:08:39,160 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-07 17:08:39,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:39,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-07 17:08:39,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=1827, Unknown=0, NotChecked=0, Total=2256 [2021-06-07 17:08:39,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:39,161 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:39,161 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 2.25) internal successors, (108), 48 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:39,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:39,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:39,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:39,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:39,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:39,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:39,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:39,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:39,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:39,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:39,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:39,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:39,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:39,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:08:39,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-06-07 17:08:39,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:39,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:08:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-07 17:08:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:39,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:39,705 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:39,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:39,705 INFO L82 PathProgramCache]: Analyzing trace with hash -196980201, now seen corresponding path program 13 times [2021-06-07 17:08:39,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:39,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076677753] [2021-06-07 17:08:39,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:39,970 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 85 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:39,970 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:39,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076677753] [2021-06-07 17:08:39,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076677753] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:39,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740392993] [2021-06-07 17:08:39,970 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:40,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-07 17:08:40,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:40,647 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 85 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:40,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740392993] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:40,648 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:40,648 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 50 [2021-06-07 17:08:40,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598202079] [2021-06-07 17:08:40,648 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-07 17:08:40,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:40,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-07 17:08:40,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=1982, Unknown=0, NotChecked=0, Total=2450 [2021-06-07 17:08:40,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:40,649 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:40,650 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 2.24) internal successors, (112), 50 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:40,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:41,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:41,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:41,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:41,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:41,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:08:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-07 17:08:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 17:08:41,233 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:41,233 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:41,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:41,233 INFO L82 PathProgramCache]: Analyzing trace with hash 106440953, now seen corresponding path program 14 times [2021-06-07 17:08:41,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:41,234 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246492593] [2021-06-07 17:08:41,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:42,413 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:42,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246492593] [2021-06-07 17:08:42,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246492593] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:42,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978084528] [2021-06-07 17:08:42,413 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:42,454 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 17:08:42,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:08:42,455 WARN L261 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 104 conjunts are in the unsatisfiable core [2021-06-07 17:08:42,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:44,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 17:08:44,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 17:08:44,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:08:44,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 17:08:44,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 66 disjoint index pairs (out of 105 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 46 [2021-06-07 17:08:44,194 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 17:08:44,203 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:08:44,204 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 17:08:44,204 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:142, output treesize:7 [2021-06-07 17:08:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:44,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978084528] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:44,250 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:44,250 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 46 [2021-06-07 17:08:44,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576072624] [2021-06-07 17:08:44,250 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-07 17:08:44,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:44,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-07 17:08:44,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1948, Unknown=0, NotChecked=0, Total=2070 [2021-06-07 17:08:44,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:44,252 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:44,252 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 2.1956521739130435) internal successors, (101), 46 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:08:44,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-06-07 17:08:44,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:44,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 17:08:44,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:44,719 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 132 [2021-06-07 17:08:46,009 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 55 [2021-06-07 17:08:46,361 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 68 [2021-06-07 17:08:46,749 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 81 [2021-06-07 17:08:47,172 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 94 [2021-06-07 17:08:47,601 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 107 [2021-06-07 17:08:48,044 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 120 [2021-06-07 17:08:48,500 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 138 [2021-06-07 17:08:48,974 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 146 [2021-06-07 17:08:49,455 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 162 [2021-06-07 17:08:49,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 17:08:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-07 17:08:50,067 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-06-07 17:08:50,067 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:50,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:50,067 INFO L82 PathProgramCache]: Analyzing trace with hash -363606181, now seen corresponding path program 15 times [2021-06-07 17:08:50,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:50,068 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380420087] [2021-06-07 17:08:50,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:50,450 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 121 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:50,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:50,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380420087] [2021-06-07 17:08:50,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380420087] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:50,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444684659] [2021-06-07 17:08:50,451 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:50,509 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-06-07 17:08:50,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:08:50,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-07 17:08:50,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 144 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:51,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444684659] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:51,250 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:51,250 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 55 [2021-06-07 17:08:51,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027562181] [2021-06-07 17:08:51,251 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-07 17:08:51,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:51,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-07 17:08:51,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=525, Invalid=2445, Unknown=0, NotChecked=0, Total=2970 [2021-06-07 17:08:51,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:51,252 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:51,252 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 2.2181818181818183) internal successors, (122), 55 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:51,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:51,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:51,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:51,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:51,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:51,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:51,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:51,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:51,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:51,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:51,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:51,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:51,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:51,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:08:51,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-06-07 17:08:51,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:51,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 17:08:51,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-07 17:08:51,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:54,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:54,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:54,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:54,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:08:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-07 17:08:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 17:08:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-07 17:08:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-07 17:08:54,663 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-06-07 17:08:54,663 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:54,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:54,663 INFO L82 PathProgramCache]: Analyzing trace with hash 90303477, now seen corresponding path program 16 times [2021-06-07 17:08:54,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:54,664 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700942592] [2021-06-07 17:08:54,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:55,004 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 148 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:55,004 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:55,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700942592] [2021-06-07 17:08:55,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700942592] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:55,005 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433146933] [2021-06-07 17:08:55,005 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:55,044 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 17:08:55,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:08:55,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-07 17:08:55,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:55,733 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 169 proven. 169 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-07 17:08:55,733 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433146933] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:55,733 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:55,733 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 60 [2021-06-07 17:08:55,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759742665] [2021-06-07 17:08:55,733 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-06-07 17:08:55,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:55,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-06-07 17:08:55,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=3069, Unknown=0, NotChecked=0, Total=3540 [2021-06-07 17:08:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:55,734 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:55,735 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 2.3) internal successors, (138), 60 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-07 17:08:55,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-07 17:08:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-07 17:08:56,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-07 17:08:57,149 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-06-07 17:08:57,149 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:57,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:57,150 INFO L82 PathProgramCache]: Analyzing trace with hash -527822761, now seen corresponding path program 17 times [2021-06-07 17:08:57,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:57,150 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164299480] [2021-06-07 17:08:57,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:08:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 148 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:57,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:08:57,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164299480] [2021-06-07 17:08:57,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164299480] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:57,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145123113] [2021-06-07 17:08:57,527 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:08:57,572 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-06-07 17:08:57,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:08:57,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-07 17:08:57,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:08:58,331 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 148 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:08:58,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145123113] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:08:58,332 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:08:58,332 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 62 [2021-06-07 17:08:58,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705507471] [2021-06-07 17:08:58,332 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-06-07 17:08:58,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:08:58,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-06-07 17:08:58,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=717, Invalid=3065, Unknown=0, NotChecked=0, Total=3782 [2021-06-07 17:08:58,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:58,333 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:08:58,334 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 2.193548387096774) internal successors, (136), 62 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-07 17:08:58,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-07 17:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-07 17:08:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 17:08:58,991 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-06-07 17:08:58,991 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:08:58,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:08:58,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1841650631, now seen corresponding path program 18 times [2021-06-07 17:08:58,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:08:58,992 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417467618] [2021-06-07 17:08:58,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:08:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:09:00,546 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 398 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:09:00,546 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:09:00,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417467618] [2021-06-07 17:09:00,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417467618] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:09:00,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869675249] [2021-06-07 17:09:00,547 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:09:00,600 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-06-07 17:09:00,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:09:00,602 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 132 conjunts are in the unsatisfiable core [2021-06-07 17:09:00,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:09:05,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:09:05,647 INFO L244 Elim1Store]: Index analysis took 179 ms [2021-06-07 17:09:07,240 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 501 [2021-06-07 17:09:07,241 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:09:07,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 215 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 110 case distinctions, treesize of input 171 treesize of output 1109 [2021-06-07 17:09:07,532 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 740 DAG size of output: 537 [2021-06-07 17:09:07,817 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 561 [2021-06-07 17:09:10,032 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 3613 DAG size of output: 2204 [2021-06-07 17:09:12,317 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 3642 DAG size of output: 2233 [2021-06-07 17:09:36,791 WARN L205 SmtUtils]: Spent 22.34 s on a formula simplification. DAG size of input: 17908 DAG size of output: 11137 [2021-06-07 17:09:40,218 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 486 [2021-06-07 17:09:40,352 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 573 [2021-06-07 17:09:40,903 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 748 DAG size of output: 720 [2021-06-07 17:09:41,146 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 857 [2021-06-07 17:09:41,476 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 1020 DAG size of output: 994 [2021-06-07 17:09:42,003 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 1375 DAG size of output: 1349 [2021-06-07 17:09:42,530 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 1375 DAG size of output: 1349 [2021-06-07 17:09:43,862 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 1412 DAG size of output: 1386 [2021-06-07 17:09:43,987 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 1388 [2021-06-07 17:09:44,749 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 1370 DAG size of output: 1377 [2021-06-07 17:09:44,883 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1359 DAG size of output: 1359 [2021-06-07 17:09:44,995 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 502 [2021-06-07 17:09:45,683 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 754 [2021-06-07 17:09:46,074 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 953 [2021-06-07 17:09:46,657 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 1383 DAG size of output: 1236 [2021-06-07 17:09:47,211 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 1731 DAG size of output: 1584 [2021-06-07 17:09:48,053 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 789 DAG size of output: 707 [2021-06-07 17:09:48,700 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 646 DAG size of output: 644 [2021-06-07 17:09:48,909 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 925 [2021-06-07 17:09:49,301 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 1277 DAG size of output: 1257 [2021-06-07 17:09:50,113 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 786 [2021-06-07 17:09:50,380 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 1043 [2021-06-07 17:09:51,389 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 2558 DAG size of output: 2401 [2021-06-07 17:09:52,070 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 514 [2021-06-07 17:09:52,292 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 874 DAG size of output: 759 [2021-06-07 17:09:53,786 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 3026 DAG size of output: 2785 [2021-06-07 17:09:56,261 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 4648 DAG size of output: 4268 [2021-06-07 17:09:59,923 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 5521 DAG size of output: 5158 [2021-06-07 17:10:05,587 WARN L205 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 6339 DAG size of output: 5977 [2021-06-07 17:10:12,560 WARN L205 SmtUtils]: Spent 6.93 s on a formula simplification. DAG size of input: 6905 DAG size of output: 6538 [2021-06-07 17:10:21,253 WARN L205 SmtUtils]: Spent 8.63 s on a formula simplification. DAG size of input: 7523 DAG size of output: 7141 [2021-06-07 17:10:32,369 WARN L205 SmtUtils]: Spent 11.06 s on a formula simplification. DAG size of input: 8001 DAG size of output: 7608 [2021-06-07 17:10:43,141 WARN L205 SmtUtils]: Spent 10.73 s on a formula simplification. DAG size of input: 8001 DAG size of output: 7608 [2021-06-07 17:11:19,713 WARN L205 SmtUtils]: Spent 35.52 s on a formula simplification. DAG size of input: 25830 DAG size of output: 18656 [2021-06-07 17:11:40,289 WARN L205 SmtUtils]: Spent 20.42 s on a formula simplification. DAG size of input: 18089 DAG size of output: 18078 [2021-06-07 17:12:02,364 WARN L205 SmtUtils]: Spent 21.92 s on a formula simplification. DAG size of input: 18088 DAG size of output: 18078 [2021-06-07 17:12:18,623 WARN L205 SmtUtils]: Spent 16.12 s on a formula simplification. DAG size of input: 9540 DAG size of output: 9856 [2021-06-07 17:12:22,725 WARN L205 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 9392 DAG size of output: 9504 [2021-06-07 17:12:24,219 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 3152 DAG size of output: 3147 [2021-06-07 17:12:25,096 WARN L205 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 1703 DAG size of output: 1960 [2021-06-07 17:12:25,491 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 1463 DAG size of output: 1617 [2021-06-07 17:12:25,647 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 766 DAG size of output: 797 [2021-06-07 17:12:25,754 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 452 [2021-06-07 17:12:26,169 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 852 DAG size of output: 721 [2021-06-07 17:12:26,681 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 599 [2021-06-07 17:12:26,817 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 702 [2021-06-07 17:12:27,027 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1084 DAG size of output: 953 [2021-06-07 17:12:27,436 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 1181 DAG size of output: 1048 [2021-06-07 17:12:27,554 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 692 [2021-06-07 17:12:28,191 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 620 [2021-06-07 17:12:28,447 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 912 DAG size of output: 898 [2021-06-07 17:12:28,835 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 1181 DAG size of output: 1168 [2021-06-07 17:12:29,373 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 1451 DAG size of output: 1440 [2021-06-07 17:12:30,106 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 1726 DAG size of output: 1717 [2021-06-07 17:12:31,089 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 2007 DAG size of output: 1999 [2021-06-07 17:12:32,346 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 2303 DAG size of output: 2298 [2021-06-07 17:12:33,938 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 2598 DAG size of output: 2597 [2021-06-07 17:12:34,330 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 787 DAG size of output: 732 [2021-06-07 17:12:35,737 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 1072 DAG size of output: 916 [2021-06-07 17:12:36,042 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 1346 DAG size of output: 1187 [2021-06-07 17:12:36,480 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 1542 DAG size of output: 1369 [2021-06-07 17:12:37,083 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 1731 DAG size of output: 1551 [2021-06-07 17:12:37,802 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 1897 DAG size of output: 1704 [2021-06-07 17:12:37,919 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 554 [2021-06-07 17:12:39,366 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 902 [2021-06-07 17:12:39,544 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 976 [2021-06-07 17:12:39,820 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 1141 DAG size of output: 1111 [2021-06-07 17:12:40,258 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 1832 DAG size of output: 1695 [2021-06-07 17:12:41,259 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 2582 DAG size of output: 2303 [2021-06-07 17:12:41,775 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 556 [2021-06-07 17:12:42,782 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 3129 DAG size of output: 2770 [2021-06-07 17:12:44,620 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 895 DAG size of output: 875 [2021-06-07 17:12:44,802 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 969 DAG size of output: 945 [2021-06-07 17:12:45,039 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 1111 DAG size of output: 1081 [2021-06-07 17:12:45,638 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 1818 DAG size of output: 1702 [2021-06-07 17:12:46,395 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 2591 DAG size of output: 2292 [2021-06-07 17:12:46,999 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 483 [2021-06-07 17:12:47,153 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 582 [2021-06-07 17:12:48,299 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 3151 DAG size of output: 2784 [2021-06-07 17:12:48,468 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 493 [2021-06-07 17:12:48,686 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 310 [2021-06-07 17:12:49,875 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 810 [2021-06-07 17:12:50,142 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 945 [2021-06-07 17:12:50,681 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 643 [2021-06-07 17:12:51,151 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 1630 DAG size of output: 1534 [2021-06-07 17:12:52,552 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 954 [2021-06-07 17:12:53,748 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 967 DAG size of output: 881 [2021-06-07 17:12:54,885 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 2547 DAG size of output: 2452 [2021-06-07 17:12:55,832 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 897 [2021-06-07 17:12:56,191 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 1266 DAG size of output: 1179 [2021-06-07 17:12:56,533 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 1496 DAG size of output: 1393 [2021-06-07 17:12:56,677 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 317 [2021-06-07 17:12:58,461 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 1053 DAG size of output: 962 [2021-06-07 17:12:59,514 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 1602 DAG size of output: 1507 [2021-06-07 17:13:00,545 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 2473 DAG size of output: 2373 [2021-06-07 17:13:01,335 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 950 DAG size of output: 896 [2021-06-07 17:13:01,674 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 1177 [2021-06-07 17:13:01,979 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 1479 DAG size of output: 1384 [2021-06-07 17:13:02,979 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 809 [2021-06-07 17:13:03,928 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 1328 DAG size of output: 1251 [2021-06-07 17:13:04,669 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 1564 DAG size of output: 1471 [2021-06-07 17:13:05,648 WARN L205 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 2443 DAG size of output: 2339 [2021-06-07 17:13:05,891 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 312 [2021-06-07 17:13:07,288 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1037 DAG size of output: 949 [2021-06-07 17:13:08,709 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 1571 DAG size of output: 1479 [2021-06-07 17:13:08,855 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 314 [2021-06-07 17:13:11,211 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1035 DAG size of output: 946 [2021-06-07 17:13:11,715 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 1573 DAG size of output: 1480 [2021-06-07 17:13:11,847 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 315 [2021-06-07 17:13:13,253 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1051 DAG size of output: 962 [2021-06-07 17:13:14,267 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 644 [2021-06-07 17:13:14,778 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 1600 DAG size of output: 1507 [2021-06-07 17:13:16,582 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 3607 DAG size of output: 3506 [2021-06-07 17:13:22,721 WARN L205 SmtUtils]: Spent 6.11 s on a formula simplification. DAG size of input: 7878 DAG size of output: 7834 [2021-06-07 17:13:32,525 WARN L205 SmtUtils]: Spent 9.73 s on a formula simplification. DAG size of input: 10873 DAG size of output: 10661 [2021-06-07 17:13:44,869 WARN L205 SmtUtils]: Spent 12.26 s on a formula simplification. DAG size of input: 12024 DAG size of output: 11657 [2021-06-07 17:13:46,296 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 326 [2021-06-07 17:13:46,489 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 640 [2021-06-07 17:13:46,764 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 1354 DAG size of output: 874 [2021-06-07 17:13:47,144 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 1506 DAG size of output: 1067 [2021-06-07 17:13:47,636 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 1823 DAG size of output: 1379 [2021-06-07 17:13:48,301 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 1999 DAG size of output: 1562 [2021-06-07 17:14:03,677 WARN L205 SmtUtils]: Spent 15.34 s on a formula simplification. DAG size of input: 13672 DAG size of output: 12969 [2021-06-07 17:14:23,770 WARN L205 SmtUtils]: Spent 19.99 s on a formula simplification. DAG size of input: 15233 DAG size of output: 14550 [2021-06-07 17:14:46,528 WARN L205 SmtUtils]: Spent 22.65 s on a formula simplification. DAG size of input: 15734 DAG size of output: 15038 [2021-06-07 17:15:14,972 WARN L205 SmtUtils]: Spent 28.32 s on a formula simplification. DAG size of input: 16778 DAG size of output: 16073 [2021-06-07 17:15:48,835 WARN L205 SmtUtils]: Spent 33.71 s on a formula simplification. DAG size of input: 17258 DAG size of output: 16552 [2021-06-07 17:15:51,912 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 2989 DAG size of output: 3380 [2021-06-07 17:15:53,246 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 2749 DAG size of output: 2873 [2021-06-07 17:15:54,789 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1929 DAG size of output: 2222 [2021-06-07 17:15:55,537 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 1847 DAG size of output: 1845 [2021-06-07 17:15:56,083 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 1548 DAG size of output: 1546 [2021-06-07 17:15:56,382 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 534 [2021-06-07 17:15:57,156 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 971 [2021-06-07 17:15:57,474 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1081 [2021-06-07 17:15:58,091 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1024 DAG size of output: 981 [2021-06-07 17:15:58,468 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 1157 DAG size of output: 1106 [2021-06-07 17:16:00,080 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 719 [2021-06-07 17:16:00,354 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 992 DAG size of output: 939 [2021-06-07 17:16:00,764 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 1194 DAG size of output: 1141 [2021-06-07 17:16:01,865 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 2630 DAG size of output: 2561 [2021-06-07 17:16:03,626 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 732 [2021-06-07 17:16:03,903 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 947 [2021-06-07 17:16:04,372 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 1197 DAG size of output: 1143 [2021-06-07 17:16:05,710 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 784 DAG size of output: 731 [2021-06-07 17:16:06,000 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 997 DAG size of output: 943 [2021-06-07 17:16:06,834 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 1199 DAG size of output: 1145 [2021-06-07 17:16:07,473 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 987 [2021-06-07 17:16:07,782 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 1099 [2021-06-07 17:16:09,168 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 2708 DAG size of output: 2641 [2021-06-07 17:16:10,636 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 783 DAG size of output: 730 [2021-06-07 17:16:11,406 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 1191 DAG size of output: 1138 [2021-06-07 17:16:12,709 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 780 DAG size of output: 725 [2021-06-07 17:16:13,391 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 1201 DAG size of output: 1147 [2021-06-07 17:16:14,377 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 694 [2021-06-07 17:16:14,727 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1036 DAG size of output: 992 [2021-06-07 17:16:15,071 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 1127 [2021-06-07 17:16:16,387 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 2679 DAG size of output: 2625 [2021-06-07 17:16:17,058 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 965 DAG size of output: 921 [2021-06-07 17:16:17,249 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1068 DAG size of output: 1018 [2021-06-07 17:16:18,930 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 723 [2021-06-07 17:16:19,294 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 1188 DAG size of output: 1136 [2021-06-07 17:16:19,993 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 1792 DAG size of output: 1739 [2021-06-07 17:16:20,974 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 721 [2021-06-07 17:16:21,888 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 712 [2021-06-07 17:16:23,234 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 773 DAG size of output: 720 [2021-06-07 17:16:23,953 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 1208 DAG size of output: 1155 [2021-06-07 17:16:24,863 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 1818 DAG size of output: 1764 [2021-06-07 17:16:26,202 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 727 [2021-06-07 17:16:26,884 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 1203 DAG size of output: 1149 [2021-06-07 17:16:27,593 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 975 DAG size of output: 927 [2021-06-07 17:16:27,800 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 1101 DAG size of output: 1045 [2021-06-07 17:16:28,536 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 1813 DAG size of output: 1758 [2021-06-07 17:16:33,046 WARN L205 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 5740 DAG size of output: 5671 [2021-06-07 17:16:41,405 WARN L205 SmtUtils]: Spent 8.30 s on a formula simplification. DAG size of input: 8078 DAG size of output: 7977 [2021-06-07 17:16:41,794 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 661 [2021-06-07 17:16:41,983 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 968 [2021-06-07 17:16:42,285 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 1277 DAG size of output: 1234 [2021-06-07 17:16:52,641 WARN L205 SmtUtils]: Spent 10.34 s on a formula simplification. DAG size of input: 8640 DAG size of output: 8507 [2021-06-07 17:17:04,830 WARN L205 SmtUtils]: Spent 12.13 s on a formula simplification. DAG size of input: 9081 DAG size of output: 8932 [2021-06-07 17:17:05,256 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 1411 DAG size of output: 1409 [2021-06-07 17:17:05,565 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 1232 DAG size of output: 1230 [2021-06-07 17:17:07,219 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1197 [2021-06-07 17:17:08,206 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 772 [2021-06-07 17:17:09,150 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 805 DAG size of output: 779 [2021-06-07 17:17:09,883 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 794 DAG size of output: 767 [2021-06-07 17:17:10,947 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 2597 DAG size of output: 2566 [2021-06-07 17:17:12,073 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 1200 DAG size of output: 1170 [2021-06-07 17:17:13,579 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 1234 DAG size of output: 1203 [2021-06-07 17:17:15,583 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 3608 DAG size of output: 3575 [2021-06-07 17:17:16,080 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 869 DAG size of output: 854 [2021-06-07 17:17:16,318 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 1083 [2021-06-07 17:17:16,687 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 1415 DAG size of output: 1390 [2021-06-07 17:17:19,592 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 4913 DAG size of output: 4873 [2021-06-07 17:17:19,922 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 730 [2021-06-07 17:17:23,775 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 5560 DAG size of output: 5502 [2021-06-07 17:17:24,142 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 666 [2021-06-07 17:17:24,974 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 666 [2021-06-07 17:17:25,405 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 988 DAG size of output: 926 [2021-06-07 17:17:25,725 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 1201 DAG size of output: 1141 [2021-06-07 17:17:26,179 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 1511 DAG size of output: 1448 [2021-06-07 17:17:27,222 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 677 [2021-06-07 17:17:27,633 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 945 [2021-06-07 17:17:28,007 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 1192 DAG size of output: 1164 [2021-06-07 17:17:29,364 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 1373 DAG size of output: 1342 [2021-06-07 17:17:31,078 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 1422 DAG size of output: 1393 [2021-06-07 17:17:32,883 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 1402 DAG size of output: 1371 [2021-06-07 17:17:33,950 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 936 DAG size of output: 909 [2021-06-07 17:17:35,041 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 928 DAG size of output: 900 [2021-06-07 17:17:35,843 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 906 [2021-06-07 17:17:37,037 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 2969 DAG size of output: 2936 [2021-06-07 17:17:39,263 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 4181 DAG size of output: 4149 [2021-06-07 17:17:39,700 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 896 [2021-06-07 17:17:43,214 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 5917 DAG size of output: 5866 [2021-06-07 17:17:43,502 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 684 [2021-06-07 17:17:48,568 WARN L205 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 7701 DAG size of output: 7598 [2021-06-07 17:17:54,810 WARN L205 SmtUtils]: Spent 6.18 s on a formula simplification. DAG size of input: 8246 DAG size of output: 8136 [2021-06-07 17:17:55,048 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1048 DAG size of output: 1046 [2021-06-07 17:17:55,198 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 954 [2021-06-07 17:17:55,349 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 828 [2021-06-07 17:17:56,672 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1174 DAG size of output: 1136 [2021-06-07 17:17:57,008 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 1300 DAG size of output: 1252 [2021-06-07 17:17:57,440 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 1718 DAG size of output: 1666 [2021-06-07 17:17:58,267 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 841 DAG size of output: 807 [2021-06-07 17:17:59,369 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 1317 [2021-06-07 17:18:00,200 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 796 [2021-06-07 17:18:00,915 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 1335 DAG size of output: 1292 [2021-06-07 17:18:01,815 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 842 DAG size of output: 805 [2021-06-07 17:18:02,671 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 810 [2021-06-07 17:18:03,589 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 843 DAG size of output: 806 [2021-06-07 17:18:04,150 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 2056 DAG size of output: 2016 [2021-06-07 17:18:05,020 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 810 [2021-06-07 17:18:05,817 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 829 DAG size of output: 794 [2021-06-07 17:18:06,195 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 1319 DAG size of output: 1299 [2021-06-07 17:18:08,228 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 4534 DAG size of output: 4506 [2021-06-07 17:18:09,584 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 1153 DAG size of output: 1123 [2021-06-07 17:18:09,936 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 1277 DAG size of output: 1238 [2021-06-07 17:18:10,526 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 1695 DAG size of output: 1652 [2021-06-07 17:18:14,348 WARN L205 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 5936 DAG size of output: 5924 [2021-06-07 17:18:15,467 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 1072 DAG size of output: 1042 [2021-06-07 17:18:16,177 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 654 [2021-06-07 17:18:17,267 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 652 [2021-06-07 17:18:18,383 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 1054 DAG size of output: 1029 [2021-06-07 17:18:19,131 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 2314 DAG size of output: 2285 [2021-06-07 17:18:20,383 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 1038 [2021-06-07 17:18:21,927 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 3167 DAG size of output: 3125 [2021-06-07 17:18:22,831 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 793 [2021-06-07 17:18:24,535 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 1765 DAG size of output: 1385 [2021-06-07 17:18:25,386 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 838 DAG size of output: 663 [2021-06-07 17:18:26,027 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 707 [2021-06-07 17:18:27,193 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 2530 DAG size of output: 2018 [2021-06-07 17:18:27,876 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 998 DAG size of output: 927 [2021-06-07 17:18:29,595 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 3696 DAG size of output: 3124 [2021-06-07 17:18:30,518 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 997 DAG size of output: 840 [2021-06-07 17:18:30,779 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 1242 DAG size of output: 1096 [2021-06-07 17:18:31,205 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 420 [2021-06-07 17:18:31,602 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 875 DAG size of output: 860 [2021-06-07 17:18:32,324 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 630 [2021-06-07 17:18:32,874 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 876 DAG size of output: 637 [2021-06-07 17:18:33,509 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 536 [2021-06-07 17:18:33,668 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 935 DAG size of output: 791 [2021-06-07 17:18:34,056 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 858 [2021-06-07 17:18:34,354 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 600 [2021-06-07 17:18:34,482 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 602 [2021-06-07 17:18:35,444 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 944 DAG size of output: 768 [2021-06-07 17:18:37,022 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 5152 DAG size of output: 4412 [2021-06-07 17:18:39,052 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 5466 DAG size of output: 4727 [2021-06-07 17:18:42,094 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 6865 DAG size of output: 6000 [2021-06-07 17:18:42,937 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 935 DAG size of output: 916 [2021-06-07 17:18:43,161 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1138 DAG size of output: 1107 [2021-06-07 17:18:43,999 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 948 DAG size of output: 928 [2021-06-07 17:18:44,277 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1117 [2021-06-07 17:18:45,994 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 1546 DAG size of output: 1514 [2021-06-07 17:18:46,875 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 982 DAG size of output: 953 [2021-06-07 17:18:47,972 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 1006 DAG size of output: 978 [2021-06-07 17:18:49,023 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 986 DAG size of output: 957 [2021-06-07 17:18:50,205 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 3434 DAG size of output: 3400 [2021-06-07 17:18:52,334 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 4327 DAG size of output: 4292 [2021-06-07 17:18:54,078 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 1341 DAG size of output: 1339 [2021-06-07 17:18:54,901 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 1864 DAG size of output: 1861 [2021-06-07 17:18:55,257 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 912 DAG size of output: 909 [2021-06-07 17:18:55,857 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 1647 DAG size of output: 1619 [2021-06-07 17:18:56,466 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 802 [2021-06-07 17:18:57,155 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 823 DAG size of output: 799 [2021-06-07 17:18:58,778 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 791 [2021-06-07 17:18:59,202 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 1786 DAG size of output: 1762 [2021-06-07 17:19:00,077 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 2392 DAG size of output: 2358 [2021-06-07 17:19:00,360 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 627 [2021-06-07 17:19:00,781 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 909 [2021-06-07 17:19:01,204 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 2059 DAG size of output: 2018 [2021-06-07 17:19:01,739 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 909 [2021-06-07 17:19:02,088 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 1643 DAG size of output: 1619 [2021-06-07 17:19:04,665 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 6121 DAG size of output: 6034 [2021-06-07 17:19:10,975 WARN L205 SmtUtils]: Spent 6.25 s on a formula simplification. DAG size of input: 11193 DAG size of output: 11099 [2021-06-07 17:19:30,411 WARN L205 SmtUtils]: Spent 19.33 s on a formula simplification. DAG size of input: 24493 DAG size of output: 23445 [2021-06-07 17:19:31,375 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 729 DAG size of output: 692 [2021-06-07 17:19:32,162 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 678 [2021-06-07 17:19:32,529 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 1573 DAG size of output: 1528 [2021-06-07 17:19:33,140 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 1906 DAG size of output: 1855 [2021-06-07 17:19:33,922 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 735 DAG size of output: 700 [2021-06-07 17:19:34,578 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 1731 DAG size of output: 1684 [2021-06-07 17:19:35,099 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 2060 DAG size of output: 2007 [2021-06-07 17:19:35,814 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 966 DAG size of output: 918 [2021-06-07 17:19:36,517 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 959 DAG size of output: 916 [2021-06-07 17:19:36,877 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1451 [2021-06-07 17:19:37,598 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 970 DAG size of output: 927 [2021-06-07 17:19:38,003 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1025 DAG size of output: 979 [2021-06-07 17:19:38,344 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 1534 DAG size of output: 1487 [2021-06-07 17:19:39,078 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 965 DAG size of output: 922 [2021-06-07 17:19:39,875 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 964 DAG size of output: 921 [2021-06-07 17:19:40,579 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 959 DAG size of output: 916 [2021-06-07 17:19:41,135 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 2064 DAG size of output: 2021 [2021-06-07 17:19:42,079 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 997 [2021-06-07 17:19:42,782 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 1488 DAG size of output: 1445 [2021-06-07 17:19:44,830 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 4624 DAG size of output: 4572 [2021-06-07 17:19:48,589 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 6527 DAG size of output: 6470 [2021-06-07 17:19:53,560 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 6840 DAG size of output: 6780 [2021-06-07 17:19:59,220 WARN L205 SmtUtils]: Spent 5.60 s on a formula simplification. DAG size of input: 7079 DAG size of output: 7019 [2021-06-07 17:20:06,820 WARN L205 SmtUtils]: Spent 7.53 s on a formula simplification. DAG size of input: 7279 DAG size of output: 7217 [2021-06-07 17:20:39,119 WARN L205 SmtUtils]: Spent 32.19 s on a formula simplification. DAG size of input: 29661 DAG size of output: 28652 [2021-06-07 17:20:40,613 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 728 DAG size of output: 697 [2021-06-07 17:20:40,828 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 850 [2021-06-07 17:20:41,559 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 948 DAG size of output: 907 [2021-06-07 17:20:42,339 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 915 DAG size of output: 880 [2021-06-07 17:20:43,010 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 2235 DAG size of output: 2167 [2021-06-07 17:20:44,091 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 2625 DAG size of output: 2553 [2021-06-07 17:20:45,421 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 666 [2021-06-07 17:20:46,817 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1112 [2021-06-07 17:20:47,419 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 1708 DAG size of output: 1666 [2021-06-07 17:20:48,377 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 670 [2021-06-07 17:20:49,159 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 1045 DAG size of output: 1009 [2021-06-07 17:20:50,046 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 667 [2021-06-07 17:20:50,805 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 1004 [2021-06-07 17:20:51,956 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 668 [2021-06-07 17:20:52,389 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 1005 [2021-06-07 17:20:53,491 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 2522 DAG size of output: 2486 [2021-06-07 17:20:54,281 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 841 [2021-06-07 17:20:54,474 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1032 DAG size of output: 985 [2021-06-07 17:20:55,355 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 670 [2021-06-07 17:20:56,078 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 1045 DAG size of output: 1009 [2021-06-07 17:20:56,670 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 1700 DAG size of output: 1653 [2021-06-07 17:20:57,568 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 668 [2021-06-07 17:20:58,279 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 1006 [2021-06-07 17:20:58,945 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 825 [2021-06-07 17:20:59,142 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 999 DAG size of output: 965 [2021-06-07 17:20:59,743 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1627 [2021-06-07 17:21:03,165 WARN L205 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 5727 DAG size of output: 5660 [2021-06-07 17:21:04,151 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 831 [2021-06-07 17:21:04,914 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 916 DAG size of output: 882 [2021-06-07 17:21:05,559 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 925 DAG size of output: 890 [2021-06-07 17:21:06,175 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 2137 [2021-06-07 17:21:07,257 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 2589 DAG size of output: 2523 [2021-06-07 17:21:13,466 WARN L205 SmtUtils]: Spent 6.18 s on a formula simplification. DAG size of input: 8204 DAG size of output: 8172 [2021-06-07 17:21:21,142 WARN L205 SmtUtils]: Spent 7.48 s on a formula simplification. DAG size of input: 8554 DAG size of output: 8512 [2021-06-07 17:22:04,937 WARN L205 SmtUtils]: Spent 43.69 s on a formula simplification. DAG size of input: 34644 DAG size of output: 33642 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown