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-b2fde6a [2018-09-28 11:08:58,545 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 11:08:58,548 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 11:08:58,563 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 11:08:58,563 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 11:08:58,564 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 11:08:58,565 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 11:08:58,567 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 11:08:58,569 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 11:08:58,572 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 11:08:58,573 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 11:08:58,573 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 11:08:58,574 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 11:08:58,575 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 11:08:58,577 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 11:08:58,577 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 11:08:58,578 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 11:08:58,580 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 11:08:58,582 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 11:08:58,583 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 11:08:58,584 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 11:08:58,586 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 11:08:58,588 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 11:08:58,588 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 11:08:58,588 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 11:08:58,589 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 11:08:58,590 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 11:08:58,591 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 11:08:58,592 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 11:08:58,593 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 11:08:58,593 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 11:08:58,594 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 11:08:58,594 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 11:08:58,594 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 11:08:58,595 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 11:08:58,596 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 11:08:58,596 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 [2018-09-28 11:08:58,612 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 11:08:58,612 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 11:08:58,614 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 11:08:58,614 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 11:08:58,615 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 11:08:58,615 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 11:08:58,615 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 11:08:58,615 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 11:08:58,616 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 11:08:58,616 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 11:08:58,616 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 11:08:58,616 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 11:08:58,616 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 11:08:58,616 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 11:08:58,617 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 11:08:58,617 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 11:08:58,617 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 11:08:58,617 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 11:08:58,618 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 11:08:58,618 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 11:08:58,618 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 11:08:58,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:08:58,619 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 11:08:58,619 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 11:08:58,619 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 11:08:58,619 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 11:08:58,620 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 11:08:58,620 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 11:08:58,620 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 11:08:58,675 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 11:08:58,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 11:08:58,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 11:08:58,693 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 11:08:58,694 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 11:08:58,695 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl [2018-09-28 11:08:58,695 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl' [2018-09-28 11:08:58,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 11:08:58,748 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 11:08:58,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 11:08:58,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 11:08:58,751 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 11:08:58,772 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 28.09 11:08:58" (1/1) ... [2018-09-28 11:08:58,785 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 28.09 11:08:58" (1/1) ... [2018-09-28 11:08:58,791 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-28 11:08:58,791 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-28 11:08:58,791 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-28 11:08:58,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 11:08:58,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 11:08:58,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 11:08:58,795 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 11:08:58,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:08:58" (1/1) ... [2018-09-28 11:08:58,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:08:58" (1/1) ... [2018-09-28 11:08:58,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:08:58" (1/1) ... [2018-09-28 11:08:58,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:08:58" (1/1) ... [2018-09-28 11:08:58,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:08:58" (1/1) ... [2018-09-28 11:08:58,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:08:58" (1/1) ... [2018-09-28 11:08:58,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:08:58" (1/1) ... [2018-09-28 11:08:58,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 11:08:58,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 11:08:58,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 11:08:58,823 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 11:08:58,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:08:58" (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 [2018-09-28 11:08:58,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-28 11:08:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-28 11:08:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-28 11:08:59,281 INFO L350 CfgBuilder]: Using library mode [2018-09-28 11:08:59,282 INFO L202 PluginConnector]: Adding new model BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:08:59 BoogieIcfgContainer [2018-09-28 11:08:59,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 11:08:59,283 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 11:08:59,283 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 11:08:59,294 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 11:08:59,295 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:08:59" (1/1) ... [2018-09-28 11:08:59,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 11:08:59,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:59,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-28 11:08:59,347 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-28 11:08:59,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-28 11:08:59,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-28 11:08:59,662 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-28 11:08:59,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 11:08:59,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:59,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:59,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:59,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-09-28 11:08:59,834 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-28 11:08:59,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 11:08:59,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:59,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:00,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:00,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-09-28 11:09:00,020 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-09-28 11:09:00,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:09:00,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:00,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:00,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-09-28 11:09:00,456 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-09-28 11:09:00,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:09:00,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:00,543 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-09-28 11:09:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-09-28 11:09:00,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:09:00,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:00,944 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:01,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:01,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-09-28 11:09:01,123 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-09-28 11:09:01,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:09:01,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:01,321 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:01,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-09-28 11:09:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-09-28 11:09:01,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 11:09:01,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:01,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:01,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-09-28 11:09:01,848 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-09-28 11:09:01,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-28 11:09:01,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:01,939 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:02,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:02,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-09-28 11:09:02,072 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-09-28 11:09:02,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 11:09:02,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:02,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:02,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-09-28 11:09:02,430 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-09-28 11:09:02,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 11:09:02,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:02,619 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:02,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2018-09-28 11:09:02,726 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-09-28 11:09:02,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 11:09:02,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:02,823 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:02,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:02,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-09-28 11:09:02,941 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-09-28 11:09:02,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-28 11:09:02,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:03,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:03,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2018-09-28 11:09:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-09-28 11:09:03,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 11:09:03,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:03,530 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:03,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:03,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-09-28 11:09:03,644 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-09-28 11:09:03,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 11:09:03,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:03,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:03,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2018-09-28 11:09:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-09-28 11:09:03,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 11:09:03,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:04,000 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:04,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:04,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-09-28 11:09:04,258 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-09-28 11:09:04,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-28 11:09:04,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:04,499 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:04,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:04,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2018-09-28 11:09:04,620 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-09-28 11:09:04,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-28 11:09:04,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:04,715 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:04,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:04,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-09-28 11:09:04,963 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-09-28 11:09:04,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-28 11:09:04,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:05,188 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:05,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:05,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2018-09-28 11:09:05,320 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-09-28 11:09:05,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-28 11:09:05,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:05,571 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:05,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:05,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-09-28 11:09:05,707 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-09-28 11:09:05,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-28 11:09:05,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:06,063 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:06,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2018-09-28 11:09:06,302 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-09-28 11:09:06,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-28 11:09:06,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:06,492 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:07,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:07,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-09-28 11:09:07,055 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-09-28 11:09:07,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-28 11:09:07,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:08,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:08,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2018-09-28 11:09:08,816 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-09-28 11:09:08,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-28 11:09:08,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:09,438 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:09,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:09,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-09-28 11:09:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-09-28 11:09:09,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-28 11:09:09,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:10,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:10,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2018-09-28 11:09:10,768 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-09-28 11:09:10,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-28 11:09:10,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:11,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:11,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-09-28 11:09:11,206 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-09-28 11:09:11,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-28 11:09:11,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:11,369 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:11,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:11,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2018-09-28 11:09:11,650 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-09-28 11:09:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-28 11:09:11,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:11,806 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:11,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:11,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-09-28 11:09:11,938 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-09-28 11:09:11,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-28 11:09:11,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:12,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:12,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2018-09-28 11:09:12,208 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-09-28 11:09:12,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-28 11:09:12,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:12,423 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:12,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-09-28 11:09:12,566 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-09-28 11:09:12,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-28 11:09:12,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:12,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:12,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 38 states and 39 transitions. [2018-09-28 11:09:12,911 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-09-28 11:09:12,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 11:09:12,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:13,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:13,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-09-28 11:09:13,882 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-09-28 11:09:13,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-28 11:09:13,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:14,218 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:14,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:14,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 40 states and 41 transitions. [2018-09-28 11:09:14,381 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2018-09-28 11:09:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 11:09:14,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:14,763 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:14,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:14,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-09-28 11:09:14,952 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-09-28 11:09:14,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-28 11:09:14,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:16,456 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:16,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:16,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 42 states and 43 transitions. [2018-09-28 11:09:16,838 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-09-28 11:09:16,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-28 11:09:16,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:17,749 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:17,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:17,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-09-28 11:09:17,945 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-09-28 11:09:17,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-28 11:09:17,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:18,110 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:18,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:18,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 44 states and 45 transitions. [2018-09-28 11:09:18,339 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-09-28 11:09:18,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-28 11:09:18,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:18,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:18,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-09-28 11:09:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-09-28 11:09:18,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-28 11:09:18,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:19,203 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:19,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:19,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2018-09-28 11:09:19,415 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-09-28 11:09:19,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-28 11:09:19,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:19,633 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:19,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:19,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-09-28 11:09:19,838 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-09-28 11:09:19,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-28 11:09:19,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:20,055 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:20,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:20,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2018-09-28 11:09:20,221 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-09-28 11:09:20,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-28 11:09:20,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:20,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-09-28 11:09:20,932 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-09-28 11:09:20,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-28 11:09:20,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:21,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:21,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 50 states and 51 transitions. [2018-09-28 11:09:21,738 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-09-28 11:09:21,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-28 11:09:21,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:22,062 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:22,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:22,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-09-28 11:09:22,269 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-09-28 11:09:22,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-28 11:09:22,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:22,527 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:22,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:22,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2018-09-28 11:09:22,851 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-09-28 11:09:22,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-28 11:09:22,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:23,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:23,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:23,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-09-28 11:09:23,200 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-09-28 11:09:23,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-28 11:09:23,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:23,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:23,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:23,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 54 states and 55 transitions. [2018-09-28 11:09:23,526 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2018-09-28 11:09:23,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-28 11:09:23,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:23,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:24,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:24,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-09-28 11:09:24,154 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-09-28 11:09:24,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-28 11:09:24,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:24,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:24,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:24,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 56 states and 57 transitions. [2018-09-28 11:09:24,599 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2018-09-28 11:09:24,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-28 11:09:24,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:25,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-09-28 11:09:25,191 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-09-28 11:09:25,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-28 11:09:25,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:25,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:25,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 58 states and 59 transitions. [2018-09-28 11:09:25,772 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 59 transitions. [2018-09-28 11:09:25,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-28 11:09:25,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:25,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:26,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:26,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-09-28 11:09:26,271 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-09-28 11:09:26,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-28 11:09:26,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:30,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:30,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:30,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-09-28 11:09:30,477 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-09-28 11:09:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-28 11:09:30,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:33,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:33,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:33,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-09-28 11:09:33,665 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-09-28 11:09:33,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-28 11:09:33,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:36,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:36,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-09-28 11:09:36,872 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-09-28 11:09:36,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-28 11:09:36,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:39,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:40,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:40,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-09-28 11:09:40,159 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-09-28 11:09:40,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-28 11:09:40,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:42,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:43,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:43,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-09-28 11:09:43,007 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-09-28 11:09:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-28 11:09:43,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:45,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:46,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:46,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-09-28 11:09:46,116 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-09-28 11:09:46,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-28 11:09:46,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:48,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:49,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:49,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-09-28 11:09:49,192 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-09-28 11:09:49,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-28 11:09:49,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:52,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-09-28 11:09:52,492 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-09-28 11:09:52,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-28 11:09:52,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:55,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:56,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:56,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-09-28 11:09:56,153 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-09-28 11:09:56,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-28 11:09:56,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:59,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:59,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:59,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-09-28 11:09:59,431 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-09-28 11:09:59,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-28 11:09:59,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:03,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:03,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:03,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-09-28 11:10:03,382 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-09-28 11:10:03,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-28 11:10:03,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:07,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:07,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-09-28 11:10:07,371 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-09-28 11:10:07,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-28 11:10:07,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:10,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:11,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-09-28 11:10:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-09-28 11:10:11,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-28 11:10:11,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:14,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:15,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:15,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-09-28 11:10:15,266 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-09-28 11:10:15,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-28 11:10:15,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:18,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:26,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:26,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2018-09-28 11:10:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2018-09-28 11:10:26,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-28 11:10:26,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:32,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-09-28 11:10:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-09-28 11:10:32,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-28 11:10:32,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:36,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:37,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:37,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-09-28 11:10:37,229 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-09-28 11:10:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-28 11:10:37,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:41,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:41,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:41,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-09-28 11:10:41,537 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-09-28 11:10:41,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-28 11:10:41,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:45,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:45,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-09-28 11:10:45,997 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-09-28 11:10:45,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-28 11:10:45,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:49,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:50,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-09-28 11:10:50,273 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-09-28 11:10:50,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-28 11:10:50,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:54,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:54,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:54,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-09-28 11:10:54,842 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-09-28 11:10:54,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-28 11:10:54,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:59,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:59,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:59,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-09-28 11:10:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-09-28 11:10:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-28 11:10:59,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:04,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:04,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:04,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-09-28 11:11:04,568 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-09-28 11:11:04,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-28 11:11:04,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:09,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:09,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:09,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-09-28 11:11:09,625 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-09-28 11:11:09,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-28 11:11:09,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:14,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:14,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-09-28 11:11:14,643 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-09-28 11:11:14,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-28 11:11:14,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:19,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:19,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-09-28 11:11:19,831 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-09-28 11:11:19,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-28 11:11:19,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:24,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:25,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:25,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2018-09-28 11:11:25,291 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2018-09-28 11:11:25,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-28 11:11:25,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:30,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:30,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-09-28 11:11:30,806 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-09-28 11:11:30,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-28 11:11:30,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:36,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:36,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:36,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-09-28 11:11:36,487 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-09-28 11:11:36,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-28 11:11:36,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:42,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:42,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:42,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-09-28 11:11:42,720 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-09-28 11:11:42,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-28 11:11:42,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:48,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:48,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-09-28 11:11:48,526 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-09-28 11:11:48,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-28 11:11:48,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:54,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:54,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:54,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-09-28 11:11:54,518 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-09-28 11:11:54,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-28 11:11:54,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:00,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:00,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-09-28 11:12:00,578 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-09-28 11:12:00,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-28 11:12:00,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:06,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:06,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:06,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-09-28 11:12:06,999 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-09-28 11:12:07,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-28 11:12:07,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:13,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:13,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:13,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-09-28 11:12:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-09-28 11:12:13,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-28 11:12:13,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:20,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:20,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-09-28 11:12:20,527 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-09-28 11:12:20,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-28 11:12:20,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:26,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:27,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:27,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-09-28 11:12:27,209 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-09-28 11:12:27,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-28 11:12:27,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:34,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:34,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-09-28 11:12:34,265 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-09-28 11:12:34,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-28 11:12:34,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:40,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:41,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:41,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-09-28 11:12:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-09-28 11:12:41,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-28 11:12:41,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:48,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:48,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:48,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-09-28 11:12:48,420 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-09-28 11:12:48,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-28 11:12:48,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-28 11:12:53,152 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-09-28 11:12:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:53,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-28 11:12:53,260 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-28 11:12:53,260 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-28 11:12:53,262 INFO L168 Benchmark]: Toolchain (without parser) took 234516.99 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -114.3 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 157.8 MB). Peak memory consumption was 43.5 MB. Max. memory is 7.1 GB. [2018-09-28 11:12:53,264 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-09-28 11:12:53,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.44 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. [2018-09-28 11:12:53,265 INFO L168 Benchmark]: Boogie Preprocessor took 27.41 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. [2018-09-28 11:12:53,266 INFO L168 Benchmark]: RCFGBuilder took 459.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-28 11:12:53,266 INFO L168 Benchmark]: CodeCheck took 233978.71 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -114.3 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 136.6 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2018-09-28 11:12:53,272 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 TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 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 45.44 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 27.41 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 459.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 233978.71 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -114.3 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 136.6 MB). Peak memory consumption was 22.3 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-0-2018-09-28_11-12-53-293.csv Completed graceful shutdown