java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 10:19:19,392 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:19:19,394 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:19:19,406 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:19:19,406 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:19:19,408 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:19:19,409 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:19:19,411 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:19:19,412 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:19:19,413 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:19:19,414 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:19:19,414 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:19:19,415 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:19:19,416 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:19:19,417 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:19:19,418 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:19:19,419 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:19:19,421 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:19:19,423 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:19:19,424 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:19:19,425 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:19:19,426 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:19:19,431 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:19:19,431 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:19:19,432 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:19:19,433 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:19:19,434 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:19:19,434 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:19:19,435 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:19:19,436 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:19:19,436 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:19:19,437 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-04 10:19:19,440 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-04 10:19:19,455 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:19:19,455 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:19:19,456 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:19:19,456 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:19:19,457 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:19:19,457 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:19:19,457 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:19:19,458 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:19:19,458 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:19:19,458 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:19:19,458 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:19:19,458 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:19:19,458 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:19:19,459 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:19:19,459 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:19:19,459 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:19:19,459 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:19:19,459 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:19:19,460 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:19:19,460 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:19:19,460 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:19:19,460 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:19:19,461 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:19:19,461 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:19:19,461 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:19:19,461 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:19:19,461 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:19:19,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:19:19,462 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:19:19,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:19:19,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:19:19,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:19:19,521 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:19:19,522 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:19:19,522 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl [2018-10-04 10:19:19,523 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl' [2018-10-04 10:19:19,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:19:19,573 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:19:19,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:19:19,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:19:19,574 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:19:19,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:19" (1/1) ... [2018-10-04 10:19:19,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:19" (1/1) ... [2018-10-04 10:19:19,612 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 10:19:19,612 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 10:19:19,612 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 10:19:19,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:19:19,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:19:19,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:19:19,616 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:19:19,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:19" (1/1) ... [2018-10-04 10:19:19,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:19" (1/1) ... [2018-10-04 10:19:19,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:19" (1/1) ... [2018-10-04 10:19:19,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:19" (1/1) ... [2018-10-04 10:19:19,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:19" (1/1) ... [2018-10-04 10:19:19,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:19" (1/1) ... [2018-10-04 10:19:19,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:19" (1/1) ... [2018-10-04 10:19:19,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:19:19,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:19:19,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:19:19,639 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:19:19,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:19" (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:10000 (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:10000 [2018-10-04 10:19:19,717 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-04 10:19:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-04 10:19:19,717 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-04 10:19:20,015 INFO L338 CfgBuilder]: Using library mode [2018-10-04 10:19:20,016 INFO L202 PluginConnector]: Adding new model BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:19:20 BoogieIcfgContainer [2018-10-04 10:19:20,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:19:20,017 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:19:20,017 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:19:20,030 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:19:20,031 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:19:20" (1/1) ... [2018-10-04 10:19:20,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 10:19:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:20,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-04 10:19:20,080 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-04 10:19:20,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 10:19:20,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:20,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:20,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-04 10:19:20,396 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-04 10:19:20,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:19:20,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:20,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:20,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:20,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-10-04 10:19:20,600 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-10-04 10:19:20,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 10:19:20,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:20,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:20,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:20,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-10-04 10:19:20,767 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-10-04 10:19:20,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 10:19:20,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:21,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-04 10:19:21,214 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-04 10:19:21,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:19:21,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:21,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:21,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-10-04 10:19:21,502 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-10-04 10:19:21,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:19:21,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:21,583 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:21,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:21,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-04 10:19:21,761 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-04 10:19:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:19:21,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:21,935 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:22,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:22,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-10-04 10:19:22,220 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-10-04 10:19:22,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:19:22,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:22,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:22,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-10-04 10:19:22,470 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-10-04 10:19:22,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:19:22,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:22,554 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:22,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:22,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-10-04 10:19:22,675 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-10-04 10:19:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:19:22,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:23,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:23,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-10-04 10:19:23,001 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-10-04 10:19:23,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:19:23,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:23,176 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:23,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:23,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2018-10-04 10:19:23,284 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-10-04 10:19:23,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:19:23,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:23,411 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:23,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:23,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-10-04 10:19:23,521 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-10-04 10:19:23,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 10:19:23,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:23,838 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:23,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:23,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2018-10-04 10:19:23,965 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-10-04 10:19:23,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:19:23,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:24,062 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:24,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:24,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-10-04 10:19:24,178 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-10-04 10:19:24,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 10:19:24,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:24,273 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:24,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:24,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2018-10-04 10:19:24,386 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-10-04 10:19:24,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:19:24,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:24,560 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:24,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:24,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-10-04 10:19:24,889 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-10-04 10:19:24,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 10:19:24,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:25,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:25,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2018-10-04 10:19:25,128 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-10-04 10:19:25,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:19:25,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:25,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:25,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-10-04 10:19:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-10-04 10:19:25,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 10:19:25,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:25,781 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:25,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:25,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2018-10-04 10:19:25,942 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-10-04 10:19:25,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:19:25,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:26,261 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:26,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:26,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-10-04 10:19:26,385 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-10-04 10:19:26,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 10:19:26,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:26,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:26,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2018-10-04 10:19:26,985 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-10-04 10:19:26,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:19:26,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:27,576 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:28,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-10-04 10:19:28,073 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-10-04 10:19:28,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 10:19:28,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:29,131 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:29,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:29,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2018-10-04 10:19:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-10-04 10:19:29,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 10:19:29,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:29,829 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:29,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:29,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-10-04 10:19:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-10-04 10:19:29,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 10:19:29,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:30,139 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:30,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:30,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2018-10-04 10:19:30,434 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-10-04 10:19:30,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 10:19:30,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:31,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:31,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-10-04 10:19:31,123 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-10-04 10:19:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 10:19:31,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:31,250 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:31,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:31,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2018-10-04 10:19:31,519 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-10-04 10:19:31,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 10:19:31,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:31,661 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:31,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:31,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-10-04 10:19:31,808 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-10-04 10:19:31,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 10:19:31,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:33,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2018-10-04 10:19:33,031 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-10-04 10:19:33,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 10:19:33,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:33,168 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:33,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:33,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-10-04 10:19:33,291 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-10-04 10:19:33,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 10:19:33,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:33,470 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:33,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 38 states and 39 transitions. [2018-10-04 10:19:33,612 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-10-04 10:19:33,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 10:19:33,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:33,840 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:34,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:34,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-10-04 10:19:34,005 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-10-04 10:19:34,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 10:19:34,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:34,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:34,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 40 states and 41 transitions. [2018-10-04 10:19:34,368 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2018-10-04 10:19:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:19:34,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:34,806 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:34,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:34,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-10-04 10:19:34,988 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-10-04 10:19:34,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 10:19:34,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:36,220 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:36,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:36,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 42 states and 43 transitions. [2018-10-04 10:19:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-10-04 10:19:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 10:19:36,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:37,459 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:37,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-10-04 10:19:37,651 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-10-04 10:19:37,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 10:19:37,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:37,983 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:38,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:38,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 44 states and 45 transitions. [2018-10-04 10:19:38,202 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-10-04 10:19:38,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 10:19:38,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:38,445 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:38,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-10-04 10:19:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-10-04 10:19:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 10:19:38,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:38,832 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:39,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2018-10-04 10:19:39,010 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-10-04 10:19:39,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 10:19:39,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:39,182 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:39,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:39,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-10-04 10:19:39,384 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-10-04 10:19:39,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 10:19:39,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:39,562 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:39,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:39,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2018-10-04 10:19:39,736 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-10-04 10:19:39,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:19:39,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:39,985 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:40,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:40,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-10-04 10:19:40,406 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-10-04 10:19:40,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 10:19:40,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:40,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:40,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 50 states and 51 transitions. [2018-10-04 10:19:40,920 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-10-04 10:19:40,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 10:19:40,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:41,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:41,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-10-04 10:19:41,667 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-10-04 10:19:41,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 10:19:41,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:41,891 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:42,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:42,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2018-10-04 10:19:42,073 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-10-04 10:19:42,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:19:42,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:42,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:42,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:42,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-10-04 10:19:42,466 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-10-04 10:19:42,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 10:19:42,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:42,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:42,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:42,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 54 states and 55 transitions. [2018-10-04 10:19:42,785 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2018-10-04 10:19:42,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 10:19:42,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:43,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:43,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-10-04 10:19:43,169 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-10-04 10:19:43,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 10:19:43,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:43,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:43,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:43,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 56 states and 57 transitions. [2018-10-04 10:19:43,610 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2018-10-04 10:19:43,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:19:43,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:44,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:44,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:44,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-10-04 10:19:44,394 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-10-04 10:19:44,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 10:19:44,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:44,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:44,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:44,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 58 states and 59 transitions. [2018-10-04 10:19:44,795 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 59 transitions. [2018-10-04 10:19:44,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 10:19:44,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:45,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:45,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-10-04 10:19:45,568 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-10-04 10:19:45,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 10:19:45,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:48,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:49,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-10-04 10:19:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-10-04 10:19:49,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 10:19:49,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:52,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:52,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:52,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-10-04 10:19:52,841 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-10-04 10:19:52,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 10:19:52,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:55,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:55,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:55,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-10-04 10:19:55,917 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-10-04 10:19:55,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 10:19:55,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:58,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:58,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:58,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-10-04 10:19:58,942 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-10-04 10:19:58,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 10:19:58,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:01,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:01,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-10-04 10:20:01,966 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-10-04 10:20:01,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 10:20:01,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:04,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:04,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-10-04 10:20:04,899 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-10-04 10:20:04,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-04 10:20:04,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:07,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:08,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:08,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-10-04 10:20:08,196 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-10-04 10:20:08,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 10:20:08,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:11,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:11,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:11,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-10-04 10:20:11,498 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-10-04 10:20:11,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 10:20:11,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:15,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:15,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-10-04 10:20:15,208 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-10-04 10:20:15,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 10:20:15,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:18,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:18,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:18,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-10-04 10:20:18,718 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-10-04 10:20:18,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 10:20:18,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:21,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:22,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:22,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-10-04 10:20:22,526 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-10-04 10:20:22,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 10:20:22,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:25,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:26,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-10-04 10:20:26,207 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-10-04 10:20:26,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-04 10:20:26,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:30,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:30,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-10-04 10:20:30,107 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-10-04 10:20:30,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 10:20:30,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:33,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:34,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:34,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-10-04 10:20:34,090 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-10-04 10:20:34,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 10:20:34,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:37,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:45,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:45,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2018-10-04 10:20:45,094 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2018-10-04 10:20:45,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 10:20:45,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:50,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:51,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:51,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-10-04 10:20:51,294 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-10-04 10:20:51,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 10:20:51,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:55,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-10-04 10:20:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-10-04 10:20:55,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 10:20:55,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:59,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:59,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:59,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-10-04 10:20:59,845 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-10-04 10:20:59,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-04 10:20:59,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:04,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:04,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-10-04 10:21:04,370 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-10-04 10:21:04,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 10:21:04,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:08,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:08,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:08,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-10-04 10:21:08,966 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-10-04 10:21:08,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 10:21:08,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:13,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:13,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:13,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-10-04 10:21:13,626 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-10-04 10:21:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 10:21:13,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:17,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:18,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:18,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-10-04 10:21:18,073 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-10-04 10:21:18,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 10:21:18,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:22,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:22,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-10-04 10:21:22,990 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-10-04 10:21:22,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 10:21:22,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:27,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:28,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:28,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-10-04 10:21:28,091 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-10-04 10:21:28,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-04 10:21:28,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:32,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:33,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-10-04 10:21:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-10-04 10:21:33,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 10:21:33,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:38,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:38,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:38,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-10-04 10:21:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-10-04 10:21:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 10:21:38,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:43,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:43,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:43,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2018-10-04 10:21:43,765 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2018-10-04 10:21:43,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 10:21:43,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:49,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:49,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-10-04 10:21:49,521 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-10-04 10:21:49,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 10:21:49,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:54,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:55,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:55,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-10-04 10:21:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-10-04 10:21:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 10:21:55,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:01,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:01,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-10-04 10:22:01,077 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-10-04 10:22:01,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 10:22:01,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:07,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:07,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-10-04 10:22:07,069 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-10-04 10:22:07,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 10:22:07,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:13,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:13,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-10-04 10:22:13,149 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-10-04 10:22:13,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 10:22:13,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:19,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:19,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-10-04 10:22:19,325 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-10-04 10:22:19,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 10:22:19,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:25,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:26,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:26,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-10-04 10:22:26,201 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-10-04 10:22:26,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 10:22:26,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:32,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:32,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:32,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-10-04 10:22:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-10-04 10:22:32,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 10:22:32,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:39,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:39,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:39,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-10-04 10:22:39,449 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-10-04 10:22:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-04 10:22:39,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:46,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:46,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-10-04 10:22:46,455 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-10-04 10:22:46,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 10:22:46,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:53,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:53,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:53,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-10-04 10:22:53,433 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-10-04 10:22:53,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-04 10:22:53,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:00,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:00,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-10-04 10:23:00,444 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-10-04 10:23:00,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 10:23:00,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:07,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:08,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-10-04 10:23:08,003 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-10-04 10:23:08,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-04 10:23:08,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:14,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-04 10:23:14,949 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 10:23:14,952 INFO L168 Benchmark]: Toolchain (without parser) took 235379.97 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -92.3 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 291.0 MB). Peak memory consumption was 198.8 MB. Max. memory is 7.1 GB. [2018-10-04 10:23:14,954 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:23:14,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.86 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:23:14,955 INFO L168 Benchmark]: Boogie Preprocessor took 22.37 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:23:14,955 INFO L168 Benchmark]: RCFGBuilder took 377.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 10:23:14,956 INFO L168 Benchmark]: CodeCheck took 234933.97 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -92.3 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 269.9 MB). Peak memory consumption was 177.6 MB. Max. memory is 7.1 GB. [2018-10-04 10:23:14,961 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 373 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.86 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.37 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 377.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 234933.97 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -92.3 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 269.9 MB). Peak memory consumption was 177.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_10-23-14-973.csv Completed graceful shutdown