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/PointerIncrement-simplified01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:29:21,483 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:29:21,486 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:29:21,497 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:29:21,498 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:29:21,499 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:29:21,500 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:29:21,502 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:29:21,504 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:29:21,505 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:29:21,506 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:29:21,506 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:29:21,507 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:29:21,508 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:29:21,509 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:29:21,510 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:29:21,510 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:29:21,512 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:29:21,514 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:29:21,516 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:29:21,517 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:29:21,519 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:29:21,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:29:21,521 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:29:21,522 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:29:21,523 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:29:21,524 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:29:21,525 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:29:21,525 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:29:21,529 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:29:21,529 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:29:21,530 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:29:21,530 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:29:21,530 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:29:21,533 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:29:21,535 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:29:21,535 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 13:29:21,560 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:29:21,560 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:29:21,561 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:29:21,561 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:29:21,561 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:29:21,562 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:29:21,562 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:29:21,562 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:29:21,562 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:29:21,562 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:29:21,563 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:29:21,563 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:29:21,564 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:29:21,564 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:29:21,564 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:29:21,564 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:29:21,564 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:29:21,565 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:29:21,566 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:29:21,566 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:29:21,566 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:29:21,566 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:29:21,567 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:29:21,567 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:29:21,567 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:29:21,567 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:29:21,567 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:29:21,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:29:21,568 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:29:21,628 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:29:21,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:29:21,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:29:21,648 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:29:21,648 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:29:21,649 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified01.bpl [2018-10-04 13:29:21,649 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified01.bpl' [2018-10-04 13:29:21,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:29:21,698 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:29:21,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:29:21,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:29:21,699 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:29:21,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:29:21" (1/1) ... [2018-10-04 13:29:21,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:29:21" (1/1) ... [2018-10-04 13:29:21,740 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 13:29:21,740 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 13:29:21,740 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 13:29:21,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:29:21,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:29:21,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:29:21,759 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:29:21,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:29:21" (1/1) ... [2018-10-04 13:29:21,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:29:21" (1/1) ... [2018-10-04 13:29:21,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:29:21" (1/1) ... [2018-10-04 13:29:21,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:29:21" (1/1) ... [2018-10-04 13:29:21,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:29:21" (1/1) ... [2018-10-04 13:29:21,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:29:21" (1/1) ... [2018-10-04 13:29:21,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:29:21" (1/1) ... [2018-10-04 13:29:21,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:29:21,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:29:21,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:29:21,785 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:29:21,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:29:21" (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 13:29:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-04 13:29:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-04 13:29:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-04 13:29:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure ~malloc [2018-10-04 13:29:22,287 INFO L338 CfgBuilder]: Using library mode [2018-10-04 13:29:22,288 INFO L202 PluginConnector]: Adding new model PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:29:22 BoogieIcfgContainer [2018-10-04 13:29:22,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:29:22,289 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:29:22,289 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:29:22,302 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:29:22,302 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:29:22" (1/1) ... [2018-10-04 13:29:22,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:29:22,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:22,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-10-04 13:29:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-10-04 13:29:22,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:29:22,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:22,671 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 13:29:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:22,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-10-04 13:29:22,799 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-10-04 13:29:22,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 13:29:22,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:22,961 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 13:29:24,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2018-10-04 13:29:24,408 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2018-10-04 13:29:24,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:29:24,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:24,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:24,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:24,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-10-04 13:29:24,582 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-10-04 13:29:24,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 13:29:24,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:24,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-04 13:29:25,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:25,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2018-10-04 13:29:25,044 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-10-04 13:29:25,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:29:25,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:25,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:26,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:26,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-10-04 13:29:26,776 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-10-04 13:29:26,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:29:26,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:26,818 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-04 13:29:27,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:27,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2018-10-04 13:29:27,264 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2018-10-04 13:29:27,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:29:27,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:27,523 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:28,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:28,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2018-10-04 13:29:28,889 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2018-10-04 13:29:28,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:29:28,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:28,930 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:29,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2018-10-04 13:29:29,453 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2018-10-04 13:29:29,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:29:29,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-04 13:29:29,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:29,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2018-10-04 13:29:29,928 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2018-10-04 13:29:29,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:29:29,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:30,115 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:31,677 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-04 13:29:32,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:32,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-10-04 13:29:32,555 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-10-04 13:29:32,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:29:32,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:32,621 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-04 13:29:33,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:33,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-10-04 13:29:33,084 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-10-04 13:29:33,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 13:29:33,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:35,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:35,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 42 states and 74 transitions. [2018-10-04 13:29:35,153 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 74 transitions. [2018-10-04 13:29:35,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 13:29:35,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:35,203 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-10-04 13:29:35,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:35,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2018-10-04 13:29:35,747 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2018-10-04 13:29:35,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:29:35,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:36,411 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:38,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:38,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 87 transitions. [2018-10-04 13:29:38,300 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 87 transitions. [2018-10-04 13:29:38,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:29:38,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:38,339 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-10-04 13:29:39,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:39,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2018-10-04 13:29:39,254 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2018-10-04 13:29:39,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 13:29:39,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:39,510 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:41,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:41,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2018-10-04 13:29:41,831 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2018-10-04 13:29:41,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 13:29:41,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:41,867 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-10-04 13:29:42,671 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-04 13:29:43,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:43,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 100 transitions. [2018-10-04 13:29:43,174 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2018-10-04 13:29:43,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:29:43,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:43,458 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:45,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:45,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 57 states and 116 transitions. [2018-10-04 13:29:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2018-10-04 13:29:45,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:29:45,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-10-04 13:29:47,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:47,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 57 states and 115 transitions. [2018-10-04 13:29:47,185 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 115 transitions. [2018-10-04 13:29:47,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 13:29:47,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:50,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 62 states and 132 transitions. [2018-10-04 13:29:50,297 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 132 transitions. [2018-10-04 13:29:50,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 13:29:50,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-10-04 13:29:51,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:51,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 62 states and 131 transitions. [2018-10-04 13:29:51,392 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 131 transitions. [2018-10-04 13:29:51,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:29:51,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:52,153 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:55,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:55,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 67 states and 149 transitions. [2018-10-04 13:29:55,442 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 149 transitions. [2018-10-04 13:29:55,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 13:29:55,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:55,478 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-10-04 13:29:56,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:56,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 67 states and 148 transitions. [2018-10-04 13:29:56,747 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 148 transitions. [2018-10-04 13:29:56,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 13:29:56,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:57,303 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:00,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:00,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 72 states and 167 transitions. [2018-10-04 13:30:00,743 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 167 transitions. [2018-10-04 13:30:00,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 13:30:00,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:00,783 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2018-10-04 13:30:02,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:02,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 72 states and 166 transitions. [2018-10-04 13:30:02,058 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 166 transitions. [2018-10-04 13:30:02,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 13:30:02,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:02,890 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:06,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:06,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 77 states and 186 transitions. [2018-10-04 13:30:06,719 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 186 transitions. [2018-10-04 13:30:06,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 13:30:06,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:06,760 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-10-04 13:30:07,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:07,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 77 states and 185 transitions. [2018-10-04 13:30:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 185 transitions. [2018-10-04 13:30:07,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 13:30:07,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:08,257 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 13:30:11,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 82 states and 206 transitions. [2018-10-04 13:30:11,735 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 206 transitions. [2018-10-04 13:30:11,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 13:30:11,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:11,776 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2018-10-04 13:30:13,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:13,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 82 states and 205 transitions. [2018-10-04 13:30:13,015 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 205 transitions. [2018-10-04 13:30:13,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 13:30:13,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:14,094 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:17,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:17,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 87 states and 227 transitions. [2018-10-04 13:30:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 227 transitions. [2018-10-04 13:30:17,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 13:30:17,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-10-04 13:30:18,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:18,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 87 states and 226 transitions. [2018-10-04 13:30:18,726 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 226 transitions. [2018-10-04 13:30:18,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 13:30:18,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:20,103 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:23,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:23,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 92 states and 249 transitions. [2018-10-04 13:30:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 249 transitions. [2018-10-04 13:30:23,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-04 13:30:23,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:23,979 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2018-10-04 13:30:25,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:25,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 92 states and 248 transitions. [2018-10-04 13:30:25,058 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 248 transitions. [2018-10-04 13:30:25,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 13:30:25,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:26,670 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:30,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:30,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 97 states and 272 transitions. [2018-10-04 13:30:30,651 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 272 transitions. [2018-10-04 13:30:30,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 13:30:30,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:30,691 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2018-10-04 13:30:32,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:32,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 97 states and 271 transitions. [2018-10-04 13:30:32,943 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 271 transitions. [2018-10-04 13:30:32,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 13:30:32,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:33,515 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:38,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 102 states and 296 transitions. [2018-10-04 13:30:38,205 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 296 transitions. [2018-10-04 13:30:38,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 13:30:38,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2018-10-04 13:30:39,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:39,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 102 states and 295 transitions. [2018-10-04 13:30:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 295 transitions. [2018-10-04 13:30:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 13:30:39,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:40,366 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:45,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:45,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 107 states and 321 transitions. [2018-10-04 13:30:45,047 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 321 transitions. [2018-10-04 13:30:45,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 13:30:45,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:45,093 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2018-10-04 13:30:46,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:46,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 107 states and 320 transitions. [2018-10-04 13:30:46,420 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 320 transitions. [2018-10-04 13:30:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-04 13:30:46,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:47,079 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:51,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:51,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 112 states and 347 transitions. [2018-10-04 13:30:51,924 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 347 transitions. [2018-10-04 13:30:51,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-04 13:30:51,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 893 trivial. 0 not checked. [2018-10-04 13:30:53,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:53,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 112 states and 346 transitions. [2018-10-04 13:30:53,734 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 346 transitions. [2018-10-04 13:30:53,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 13:30:53,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:59,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:59,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 117 states and 374 transitions. [2018-10-04 13:30:59,423 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 374 transitions. [2018-10-04 13:30:59,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-04 13:30:59,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:59,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2018-10-04 13:31:00,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:00,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 117 states and 373 transitions. [2018-10-04 13:31:00,864 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 373 transitions. [2018-10-04 13:31:00,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-04 13:31:00,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:01,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:07,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:07,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 122 states and 402 transitions. [2018-10-04 13:31:07,108 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 402 transitions. [2018-10-04 13:31:07,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-04 13:31:07,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:07,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2018-10-04 13:31:09,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:09,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 122 states and 401 transitions. [2018-10-04 13:31:09,233 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 401 transitions. [2018-10-04 13:31:09,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-04 13:31:09,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 0 proven. 1134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:15,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 127 states and 431 transitions. [2018-10-04 13:31:15,403 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 431 transitions. [2018-10-04 13:31:15,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-04 13:31:15,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:15,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2018-10-04 13:31:16,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 127 states and 430 transitions. [2018-10-04 13:31:16,961 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 430 transitions. [2018-10-04 13:31:16,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-04 13:31:16,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:17,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 1243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:20,865 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-04 13:31:27,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:27,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 132 states and 461 transitions. [2018-10-04 13:31:27,342 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 461 transitions. [2018-10-04 13:31:27,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-04 13:31:27,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:27,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2018-10-04 13:31:29,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:29,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 132 states and 460 transitions. [2018-10-04 13:31:29,204 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 460 transitions. [2018-10-04 13:31:29,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-04 13:31:29,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:29,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 0 proven. 1357 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:35,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:35,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 137 states and 492 transitions. [2018-10-04 13:31:35,873 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 492 transitions. [2018-10-04 13:31:35,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-04 13:31:35,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:35,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 1428 trivial. 0 not checked. [2018-10-04 13:31:37,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:37,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 137 states and 491 transitions. [2018-10-04 13:31:37,773 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 491 transitions. [2018-10-04 13:31:37,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-04 13:31:37,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:38,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1476 backedges. 0 proven. 1476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:44,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:44,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 142 states and 524 transitions. [2018-10-04 13:31:44,927 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 524 transitions. [2018-10-04 13:31:44,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-04 13:31:44,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:44,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2018-10-04 13:31:46,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:46,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 142 states and 523 transitions. [2018-10-04 13:31:46,735 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 523 transitions. [2018-10-04 13:31:46,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-04 13:31:46,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 1600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:53,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 147 states and 557 transitions. [2018-10-04 13:31:53,834 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 557 transitions. [2018-10-04 13:31:53,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-04 13:31:53,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:53,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 1677 trivial. 0 not checked. [2018-10-04 13:31:56,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 147 states and 556 transitions. [2018-10-04 13:31:56,182 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 556 transitions. [2018-10-04 13:31:56,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-04 13:31:56,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:03,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:03,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 152 states and 591 transitions. [2018-10-04 13:32:03,357 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 591 transitions. [2018-10-04 13:32:03,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-04 13:32:03,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:03,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2018-10-04 13:32:05,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:05,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 152 states and 590 transitions. [2018-10-04 13:32:05,694 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 590 transitions. [2018-10-04 13:32:05,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-04 13:32:05,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 0 proven. 1863 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:13,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:13,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 157 states and 626 transitions. [2018-10-04 13:32:13,481 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 626 transitions. [2018-10-04 13:32:13,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-04 13:32:13,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:13,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1946 trivial. 0 not checked. [2018-10-04 13:32:15,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:15,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 157 states and 625 transitions. [2018-10-04 13:32:15,593 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 625 transitions. [2018-10-04 13:32:15,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-04 13:32:15,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:21,129 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 10 [2018-10-04 13:32:23,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:23,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 162 states and 662 transitions. [2018-10-04 13:32:23,762 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 662 transitions. [2018-10-04 13:32:23,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-04 13:32:23,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:23,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2117 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2018-10-04 13:32:26,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:26,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 162 states and 661 transitions. [2018-10-04 13:32:26,058 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 661 transitions. [2018-10-04 13:32:26,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-04 13:32:26,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:27,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 0 proven. 2146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:34,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 167 states and 699 transitions. [2018-10-04 13:32:34,349 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 699 transitions. [2018-10-04 13:32:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-04 13:32:34,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2265 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2018-10-04 13:32:36,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:36,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 167 states and 698 transitions. [2018-10-04 13:32:36,684 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 698 transitions. [2018-10-04 13:32:36,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-04 13:32:36,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:37,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2295 backedges. 0 proven. 2295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:45,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:45,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 172 states and 737 transitions. [2018-10-04 13:32:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 737 transitions. [2018-10-04 13:32:45,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-04 13:32:45,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:45,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 2387 trivial. 0 not checked. [2018-10-04 13:32:47,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:47,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 172 states and 736 transitions. [2018-10-04 13:32:47,617 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 736 transitions. [2018-10-04 13:32:47,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-04 13:32:47,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:48,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2449 backedges. 0 proven. 2449 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:56,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:56,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 177 states and 776 transitions. [2018-10-04 13:32:56,834 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 776 transitions. [2018-10-04 13:32:56,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-04 13:32:56,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:56,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 2544 trivial. 0 not checked. [2018-10-04 13:32:59,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:59,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 177 states and 775 transitions. [2018-10-04 13:32:59,225 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 775 transitions. [2018-10-04 13:32:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-04 13:32:59,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:00,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2608 backedges. 0 proven. 2608 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:08,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:08,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 182 states and 816 transitions. [2018-10-04 13:33:08,310 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 816 transitions. [2018-10-04 13:33:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-04 13:33:08,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:08,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2706 trivial. 0 not checked. [2018-10-04 13:33:10,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:10,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 182 states and 815 transitions. [2018-10-04 13:33:10,527 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 815 transitions. [2018-10-04 13:33:10,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-04 13:33:10,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:11,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2772 backedges. 0 proven. 2772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:18,039 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-04 13:33:20,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:20,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 187 states and 857 transitions. [2018-10-04 13:33:20,374 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 857 transitions. [2018-10-04 13:33:20,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-04 13:33:20,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:20,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2907 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2873 trivial. 0 not checked. [2018-10-04 13:33:22,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:22,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 187 states and 856 transitions. [2018-10-04 13:33:22,898 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 856 transitions. [2018-10-04 13:33:22,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-04 13:33:22,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2941 backedges. 0 proven. 2941 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-04 13:33:25,741 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 13:33:25,743 INFO L168 Benchmark]: Toolchain (without parser) took 244045.70 ms. Allocated memory was 1.6 GB in the beginning and 3.1 GB in the end (delta: 1.5 GB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 274.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-04 13:33:25,744 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:33:25,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.67 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:33:25,745 INFO L168 Benchmark]: Boogie Preprocessor took 25.00 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:33:25,746 INFO L168 Benchmark]: RCFGBuilder took 504.30 ms. Allocated memory is still 1.6 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 13:33:25,746 INFO L168 Benchmark]: CodeCheck took 243453.03 ms. Allocated memory was 1.6 GB in the beginning and 3.1 GB in the end (delta: 1.5 GB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 253.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-04 13:33:25,750 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 1180 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.67 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.00 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 504.30 ms. Allocated memory is still 1.6 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 243453.03 ms. Allocated memory was 1.6 GB in the beginning and 3.1 GB in the end (delta: 1.5 GB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 253.0 MB). Peak memory consumption was 1.7 GB. 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/PointerIncrement-simplified01.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_13-33-25-762.csv Completed graceful shutdown