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/real-life/RailwayCrossing.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 10:47:10,752 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 10:47:10,754 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 10:47:10,765 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 10:47:10,766 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 10:47:10,767 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 10:47:10,768 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 10:47:10,770 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 10:47:10,772 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 10:47:10,773 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 10:47:10,774 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 10:47:10,775 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 10:47:10,776 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 10:47:10,777 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 10:47:10,778 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 10:47:10,779 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 10:47:10,780 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 10:47:10,782 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 10:47:10,784 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 10:47:10,785 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 10:47:10,787 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 10:47:10,788 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 10:47:10,791 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 10:47:10,791 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 10:47:10,791 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 10:47:10,792 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 10:47:10,793 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 10:47:10,794 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 10:47:10,795 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 10:47:10,796 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 10:47:10,796 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 10:47:10,797 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 10:47:10,797 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 10:47:10,798 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 10:47:10,799 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 10:47:10,800 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 10:47:10,800 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 10:47:10,817 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 10:47:10,817 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 10:47:10,818 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 10:47:10,818 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 10:47:10,819 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 10:47:10,819 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 10:47:10,819 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 10:47:10,820 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 10:47:10,820 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 10:47:10,820 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 10:47:10,820 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 10:47:10,821 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 10:47:10,821 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 10:47:10,821 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 10:47:10,821 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 10:47:10,821 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 10:47:10,822 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 10:47:10,822 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 10:47:10,822 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 10:47:10,823 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 10:47:10,823 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 10:47:10,823 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 10:47:10,823 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 10:47:10,823 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 10:47:10,824 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 10:47:10,824 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 10:47:10,824 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 10:47:10,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 10:47:10,824 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 10:47:10,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 10:47:10,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 10:47:10,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 10:47:10,891 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 10:47:10,892 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 10:47:10,892 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl [2018-09-28 10:47:10,893 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl' [2018-09-28 10:47:10,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 10:47:10,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 10:47:10,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 10:47:10,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 10:47:10,943 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 10:47:10,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:10,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:10,981 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-28 10:47:10,981 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-28 10:47:10,981 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-28 10:47:10,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 10:47:10,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 10:47:10,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 10:47:10,985 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 10:47:10,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:10,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:10,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:10,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:10,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:11,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:11,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:11,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 10:47:11,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 10:47:11,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 10:47:11,006 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 10:47:11,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t: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 10:47:11,085 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-09-28 10:47:11,085 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-09-28 10:47:11,086 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-09-28 10:47:11,552 INFO L350 CfgBuilder]: Using library mode [2018-09-28 10:47:11,553 INFO L202 PluginConnector]: Adding new model RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:47:11 BoogieIcfgContainer [2018-09-28 10:47:11,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 10:47:11,554 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 10:47:11,554 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 10:47:11,568 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 10:47:11,569 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:47:11" (1/1) ... [2018-09-28 10:47:11,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:47:11,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:11,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-28 10:47:11,618 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-28 10:47:11,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-28 10:47:11,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:11,758 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 10:47:11,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:11,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-09-28 10:47:11,877 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-09-28 10:47:11,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 10:47:11,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:11,935 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 10:47:12,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:12,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 7 states and 12 transitions. [2018-09-28 10:47:12,101 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 12 transitions. [2018-09-28 10:47:12,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 10:47:12,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:12,230 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 10:47:12,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:12,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 8 states and 17 transitions. [2018-09-28 10:47:12,521 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 17 transitions. [2018-09-28 10:47:12,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 10:47:12,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:12,620 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 10:47:12,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:12,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 9 states and 23 transitions. [2018-09-28 10:47:12,778 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 23 transitions. [2018-09-28 10:47:12,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:47:12,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:12,965 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 10:47:13,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:13,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 10 states and 30 transitions. [2018-09-28 10:47:13,158 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 30 transitions. [2018-09-28 10:47:13,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:47:13,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:13,235 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 10:47:13,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:13,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 11 states and 38 transitions. [2018-09-28 10:47:13,711 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 38 transitions. [2018-09-28 10:47:13,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:47:13,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:13,823 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 10:47:13,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:13,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 12 states and 47 transitions. [2018-09-28 10:47:13,975 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 47 transitions. [2018-09-28 10:47:13,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:47:13,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:14,058 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 10:47:14,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:14,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 13 states and 57 transitions. [2018-09-28 10:47:14,229 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 57 transitions. [2018-09-28 10:47:14,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-28 10:47:14,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:14,422 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 10:47:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:14,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 14 states and 68 transitions. [2018-09-28 10:47:14,644 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 68 transitions. [2018-09-28 10:47:14,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:47:14,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:14,775 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 10:47:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 15 states and 80 transitions. [2018-09-28 10:47:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 80 transitions. [2018-09-28 10:47:14,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:47:14,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:15,088 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 10:47:15,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 16 states and 93 transitions. [2018-09-28 10:47:15,319 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 93 transitions. [2018-09-28 10:47:15,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:47:15,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:15,713 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 10:47:15,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:15,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 17 states and 107 transitions. [2018-09-28 10:47:15,940 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 107 transitions. [2018-09-28 10:47:15,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-28 10:47:15,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:16,166 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 10:47:16,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:16,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 18 states and 122 transitions. [2018-09-28 10:47:16,345 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 122 transitions. [2018-09-28 10:47:16,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 10:47:16,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:16,674 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 10:47:17,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 19 states and 138 transitions. [2018-09-28 10:47:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 138 transitions. [2018-09-28 10:47:17,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 10:47:17,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:17,157 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 10:47:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:17,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 20 states and 155 transitions. [2018-09-28 10:47:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 155 transitions. [2018-09-28 10:47:17,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:47:17,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:18,464 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 10:47:19,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:19,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 21 states and 173 transitions. [2018-09-28 10:47:19,203 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 173 transitions. [2018-09-28 10:47:19,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-28 10:47:19,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:20,075 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 10:47:20,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:20,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 22 states and 192 transitions. [2018-09-28 10:47:20,497 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 192 transitions. [2018-09-28 10:47:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-28 10:47:20,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:20,849 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 10:47:21,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:21,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 23 states and 212 transitions. [2018-09-28 10:47:21,177 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 212 transitions. [2018-09-28 10:47:21,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-28 10:47:21,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:21,339 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 10:47:21,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:21,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 24 states and 233 transitions. [2018-09-28 10:47:21,755 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 233 transitions. [2018-09-28 10:47:21,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-28 10:47:21,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:21,878 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 10:47:22,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:22,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 25 states and 255 transitions. [2018-09-28 10:47:22,050 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 255 transitions. [2018-09-28 10:47:22,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-28 10:47:22,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:22,434 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 10:47:22,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:22,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 26 states and 278 transitions. [2018-09-28 10:47:22,980 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 278 transitions. [2018-09-28 10:47:22,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-28 10:47:22,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:23,470 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 10:47:24,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 27 states and 302 transitions. [2018-09-28 10:47:24,308 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 302 transitions. [2018-09-28 10:47:24,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-28 10:47:24,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:24,567 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 10:47:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:24,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 28 states and 327 transitions. [2018-09-28 10:47:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 327 transitions. [2018-09-28 10:47:24,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-28 10:47:24,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:25,152 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 10:47:25,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 29 states and 353 transitions. [2018-09-28 10:47:25,441 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 353 transitions. [2018-09-28 10:47:25,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-28 10:47:25,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:25,620 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 10:47:25,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:25,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 30 states and 380 transitions. [2018-09-28 10:47:25,930 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 380 transitions. [2018-09-28 10:47:25,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-28 10:47:25,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:26,582 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 10:47:26,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:26,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 31 states and 408 transitions. [2018-09-28 10:47:26,878 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 408 transitions. [2018-09-28 10:47:26,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-28 10:47:26,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:27,015 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 10:47:27,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:27,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 32 states and 437 transitions. [2018-09-28 10:47:27,345 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 437 transitions. [2018-09-28 10:47:27,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-28 10:47:27,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:27,530 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 10:47:27,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:27,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 33 states and 467 transitions. [2018-09-28 10:47:27,929 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 467 transitions. [2018-09-28 10:47:27,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-28 10:47:27,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:28,228 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 10:47:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 34 states and 498 transitions. [2018-09-28 10:47:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 498 transitions. [2018-09-28 10:47:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-28 10:47:28,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:28,759 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 10:47:28,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:28,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 35 states and 530 transitions. [2018-09-28 10:47:28,995 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 530 transitions. [2018-09-28 10:47:28,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-28 10:47:28,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:29,213 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 10:47:29,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:29,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 36 states and 563 transitions. [2018-09-28 10:47:29,494 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 563 transitions. [2018-09-28 10:47:29,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 10:47:29,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:29,623 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 10:47:29,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:29,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 37 states and 597 transitions. [2018-09-28 10:47:29,870 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 597 transitions. [2018-09-28 10:47:29,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-28 10:47:29,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:30,186 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 10:47:30,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 38 states and 632 transitions. [2018-09-28 10:47:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 632 transitions. [2018-09-28 10:47:30,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 10:47:30,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:30,799 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 10:47:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 39 states and 668 transitions. [2018-09-28 10:47:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 668 transitions. [2018-09-28 10:47:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-28 10:47:31,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:31,372 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 10:47:31,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:31,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 40 states and 705 transitions. [2018-09-28 10:47:31,645 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 705 transitions. [2018-09-28 10:47:31,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-28 10:47:31,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:31,824 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 10:47:32,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 41 states and 743 transitions. [2018-09-28 10:47:32,179 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 743 transitions. [2018-09-28 10:47:32,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-28 10:47:32,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:32,384 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 10:47:32,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:32,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 42 states and 782 transitions. [2018-09-28 10:47:32,747 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 782 transitions. [2018-09-28 10:47:32,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-28 10:47:32,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:33,202 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 10:47:33,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:33,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 43 states and 822 transitions. [2018-09-28 10:47:33,561 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 822 transitions. [2018-09-28 10:47:33,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-28 10:47:33,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:33,741 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 10:47:37,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:37,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 44 states and 863 transitions. [2018-09-28 10:47:37,471 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 863 transitions. [2018-09-28 10:47:37,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-28 10:47:37,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:37,761 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 10:47:38,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:38,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 45 states and 905 transitions. [2018-09-28 10:47:38,116 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 905 transitions. [2018-09-28 10:47:38,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-28 10:47:38,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:38,472 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 10:47:38,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:38,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 46 states and 948 transitions. [2018-09-28 10:47:38,960 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 948 transitions. [2018-09-28 10:47:38,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-28 10:47:38,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:39,275 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 10:47:39,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:39,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 47 states and 992 transitions. [2018-09-28 10:47:39,896 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 992 transitions. [2018-09-28 10:47:39,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-28 10:47:39,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:40,047 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 10:47:40,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:40,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 48 states and 1037 transitions. [2018-09-28 10:47:40,447 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 1037 transitions. [2018-09-28 10:47:40,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-28 10:47:40,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:40,601 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 10:47:41,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 49 states and 1083 transitions. [2018-09-28 10:47:41,056 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 1083 transitions. [2018-09-28 10:47:41,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-28 10:47:41,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:41,257 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 10:47:41,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:41,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 50 states and 1130 transitions. [2018-09-28 10:47:41,653 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 1130 transitions. [2018-09-28 10:47:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-28 10:47:41,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:41,868 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 10:47:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 51 states and 1178 transitions. [2018-09-28 10:47:42,226 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 1178 transitions. [2018-09-28 10:47:42,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-28 10:47:42,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:42,512 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 10:47:42,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:42,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 52 states and 1227 transitions. [2018-09-28 10:47:42,893 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 1227 transitions. [2018-09-28 10:47:42,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-28 10:47:42,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:43,504 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 10:47:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:43,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 53 states and 1277 transitions. [2018-09-28 10:47:43,892 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 1277 transitions. [2018-09-28 10:47:43,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-28 10:47:43,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:44,748 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 10:47:45,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:45,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 54 states and 1328 transitions. [2018-09-28 10:47:45,500 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 1328 transitions. [2018-09-28 10:47:45,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-28 10:47:45,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:45,689 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 10:47:46,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:46,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 55 states and 1380 transitions. [2018-09-28 10:47:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 1380 transitions. [2018-09-28 10:47:46,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-28 10:47:46,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:46,378 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 10:47:46,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:46,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 56 states and 1433 transitions. [2018-09-28 10:47:46,836 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 1433 transitions. [2018-09-28 10:47:46,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-28 10:47:46,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:47,022 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 10:47:47,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:47,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 57 states and 1487 transitions. [2018-09-28 10:47:47,567 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 1487 transitions. [2018-09-28 10:47:47,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-28 10:47:47,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:48,426 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 10:47:48,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:48,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 58 states and 1542 transitions. [2018-09-28 10:47:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 1542 transitions. [2018-09-28 10:47:48,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-28 10:47:48,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:49,101 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 10:47:49,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:49,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 59 states and 1598 transitions. [2018-09-28 10:47:49,543 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 1598 transitions. [2018-09-28 10:47:49,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-28 10:47:49,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:49,830 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 10:47:50,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:50,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 60 states and 1655 transitions. [2018-09-28 10:47:50,312 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 1655 transitions. [2018-09-28 10:47:50,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-28 10:47:50,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:50,581 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 10:47:51,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:51,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 61 states and 1713 transitions. [2018-09-28 10:47:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 1713 transitions. [2018-09-28 10:47:51,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-28 10:47:51,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:51,207 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 10:47:51,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:51,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 62 states and 1772 transitions. [2018-09-28 10:47:51,699 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 1772 transitions. [2018-09-28 10:47:51,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-28 10:47:51,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:51,917 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 10:47:52,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:52,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 63 states and 1832 transitions. [2018-09-28 10:47:52,490 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 1832 transitions. [2018-09-28 10:47:52,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-28 10:47:52,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:52,754 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 10:47:53,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 64 states and 1893 transitions. [2018-09-28 10:47:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 1893 transitions. [2018-09-28 10:47:53,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-28 10:47:53,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:53,427 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 10:47:53,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 65 states and 1955 transitions. [2018-09-28 10:47:54,001 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 1955 transitions. [2018-09-28 10:47:54,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-28 10:47:54,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:54,183 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 10:47:54,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:54,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 66 states and 2018 transitions. [2018-09-28 10:47:54,742 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 2018 transitions. [2018-09-28 10:47:54,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-28 10:47:54,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:54,913 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 10:47:55,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:55,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 67 states and 2082 transitions. [2018-09-28 10:47:55,452 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 2082 transitions. [2018-09-28 10:47:55,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-28 10:47:55,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:55,639 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 10:47:56,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:56,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 68 states and 2147 transitions. [2018-09-28 10:47:56,196 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 2147 transitions. [2018-09-28 10:47:56,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-28 10:47:56,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:56,441 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 10:47:57,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:57,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 69 states and 2213 transitions. [2018-09-28 10:47:57,041 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 2213 transitions. [2018-09-28 10:47:57,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-28 10:47:57,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:57,268 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 10:47:57,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:57,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 70 states and 2280 transitions. [2018-09-28 10:47:57,862 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 2280 transitions. [2018-09-28 10:47:57,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-28 10:47:57,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:58,083 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 10:47:58,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:58,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 71 states and 2348 transitions. [2018-09-28 10:47:58,779 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 2348 transitions. [2018-09-28 10:47:58,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-28 10:47:58,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:58,972 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 10:47:59,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:59,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 72 states and 2417 transitions. [2018-09-28 10:47:59,593 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 2417 transitions. [2018-09-28 10:47:59,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-28 10:47:59,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:59,814 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 10:48:00,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:00,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 73 states and 2487 transitions. [2018-09-28 10:48:00,437 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 2487 transitions. [2018-09-28 10:48:00,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-28 10:48:00,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:00,630 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 10:48:01,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:01,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 74 states and 2558 transitions. [2018-09-28 10:48:01,336 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 2558 transitions. [2018-09-28 10:48:01,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-28 10:48:01,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:01,587 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 10:48:02,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:02,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 75 states and 2630 transitions. [2018-09-28 10:48:02,356 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 2630 transitions. [2018-09-28 10:48:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-28 10:48:02,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:02,619 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 10:48:03,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:03,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 76 states and 2703 transitions. [2018-09-28 10:48:03,288 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 2703 transitions. [2018-09-28 10:48:03,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-28 10:48:03,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:03,495 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 10:48:04,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:04,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 77 states and 2777 transitions. [2018-09-28 10:48:04,390 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 2777 transitions. [2018-09-28 10:48:04,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-28 10:48:04,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:04,587 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 10:48:05,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 78 states and 2852 transitions. [2018-09-28 10:48:05,243 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 2852 transitions. [2018-09-28 10:48:05,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-28 10:48:05,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:05,465 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 10:48:06,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:06,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 79 states and 2928 transitions. [2018-09-28 10:48:06,177 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 2928 transitions. [2018-09-28 10:48:06,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-28 10:48:06,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:06,393 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 10:48:07,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:07,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 80 states and 3005 transitions. [2018-09-28 10:48:07,064 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 3005 transitions. [2018-09-28 10:48:07,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-28 10:48:07,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:07,324 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 10:48:08,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 81 states and 3083 transitions. [2018-09-28 10:48:08,031 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 3083 transitions. [2018-09-28 10:48:08,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-28 10:48:08,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:08,234 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 10:48:09,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:09,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 82 states and 3162 transitions. [2018-09-28 10:48:09,137 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 3162 transitions. [2018-09-28 10:48:09,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-28 10:48:09,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:09,374 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 10:48:10,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 83 states and 3242 transitions. [2018-09-28 10:48:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 3242 transitions. [2018-09-28 10:48:10,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-28 10:48:10,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:10,298 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 10:48:11,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:11,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 84 states and 3323 transitions. [2018-09-28 10:48:11,141 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 3323 transitions. [2018-09-28 10:48:11,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-28 10:48:11,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:11,355 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 10:48:12,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:12,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 85 states and 3405 transitions. [2018-09-28 10:48:12,105 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 3405 transitions. [2018-09-28 10:48:12,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-28 10:48:12,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:12,316 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 10:48:13,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:13,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 86 states and 3488 transitions. [2018-09-28 10:48:13,065 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 3488 transitions. [2018-09-28 10:48:13,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-28 10:48:13,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:13,439 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 10:48:14,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:14,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 87 states and 3572 transitions. [2018-09-28 10:48:14,471 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 3572 transitions. [2018-09-28 10:48:14,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-28 10:48:14,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:14,718 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 10:48:15,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:15,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3657 states to 88 states and 3657 transitions. [2018-09-28 10:48:15,518 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 3657 transitions. [2018-09-28 10:48:15,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-28 10:48:15,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:15,952 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 10:48:16,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:16,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 89 states and 3743 transitions. [2018-09-28 10:48:16,820 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 3743 transitions. [2018-09-28 10:48:16,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-28 10:48:16,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:17,066 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 10:48:17,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:17,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 90 states and 3830 transitions. [2018-09-28 10:48:17,873 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 3830 transitions. [2018-09-28 10:48:17,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-28 10:48:17,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:18,099 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 10:48:19,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:19,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3918 states to 91 states and 3918 transitions. [2018-09-28 10:48:19,004 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 3918 transitions. [2018-09-28 10:48:19,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-28 10:48:19,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:19,372 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 10:48:20,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:20,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 92 states and 4007 transitions. [2018-09-28 10:48:20,186 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 4007 transitions. [2018-09-28 10:48:20,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-28 10:48:20,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:20,511 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 10:48:21,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:21,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 93 states and 4097 transitions. [2018-09-28 10:48:21,428 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 4097 transitions. [2018-09-28 10:48:21,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-28 10:48:21,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:21,666 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 10:48:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:22,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4188 states to 94 states and 4188 transitions. [2018-09-28 10:48:22,504 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 4188 transitions. [2018-09-28 10:48:22,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-28 10:48:22,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:22,819 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 10:48:23,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:23,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 95 states and 4280 transitions. [2018-09-28 10:48:23,687 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 4280 transitions. [2018-09-28 10:48:23,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-28 10:48:23,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:23,939 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 10:48:24,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:24,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4373 states to 96 states and 4373 transitions. [2018-09-28 10:48:24,946 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 4373 transitions. [2018-09-28 10:48:24,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-28 10:48:24,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:25,188 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 10:48:26,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:26,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4467 states to 97 states and 4467 transitions. [2018-09-28 10:48:26,108 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 4467 transitions. [2018-09-28 10:48:26,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-28 10:48:26,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:26,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:27,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4562 states to 98 states and 4562 transitions. [2018-09-28 10:48:27,325 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 4562 transitions. [2018-09-28 10:48:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-28 10:48:27,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:27,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:28,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4658 states to 99 states and 4658 transitions. [2018-09-28 10:48:28,512 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 4658 transitions. [2018-09-28 10:48:28,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-28 10:48:28,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:28,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:30,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:30,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4755 states to 100 states and 4755 transitions. [2018-09-28 10:48:30,047 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 4755 transitions. [2018-09-28 10:48:30,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-28 10:48:30,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:30,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:31,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:31,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4853 states to 101 states and 4853 transitions. [2018-09-28 10:48:31,359 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 4853 transitions. [2018-09-28 10:48:31,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-28 10:48:31,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:31,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:32,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:32,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4952 states to 102 states and 4952 transitions. [2018-09-28 10:48:32,717 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 4952 transitions. [2018-09-28 10:48:32,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-28 10:48:32,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:33,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:33,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5052 states to 103 states and 5052 transitions. [2018-09-28 10:48:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 5052 transitions. [2018-09-28 10:48:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-28 10:48:33,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:35,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:35,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5153 states to 104 states and 5153 transitions. [2018-09-28 10:48:35,324 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 5153 transitions. [2018-09-28 10:48:35,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-28 10:48:35,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:35,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:36,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:36,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5255 states to 105 states and 5255 transitions. [2018-09-28 10:48:36,646 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 5255 transitions. [2018-09-28 10:48:36,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-09-28 10:48:36,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:38,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:38,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5358 states to 106 states and 5358 transitions. [2018-09-28 10:48:38,034 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 5358 transitions. [2018-09-28 10:48:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-28 10:48:38,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:38,318 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:39,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5462 states to 107 states and 5462 transitions. [2018-09-28 10:48:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 5462 transitions. [2018-09-28 10:48:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-09-28 10:48:39,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:39,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:40,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:41,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5567 states to 108 states and 5567 transitions. [2018-09-28 10:48:41,000 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 5567 transitions. [2018-09-28 10:48:41,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-28 10:48:41,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:41,358 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:42,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:42,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5673 states to 109 states and 5673 transitions. [2018-09-28 10:48:42,442 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 5673 transitions. [2018-09-28 10:48:42,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-28 10:48:42,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:42,766 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:43,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:43,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5780 states to 110 states and 5780 transitions. [2018-09-28 10:48:43,983 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 5780 transitions. [2018-09-28 10:48:43,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-28 10:48:43,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:45,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:45,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5888 states to 111 states and 5888 transitions. [2018-09-28 10:48:45,613 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 5888 transitions. [2018-09-28 10:48:45,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-09-28 10:48:45,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:45,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:47,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:47,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5997 states to 112 states and 5997 transitions. [2018-09-28 10:48:47,083 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 5997 transitions. [2018-09-28 10:48:47,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-28 10:48:47,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:47,383 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:48,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:48,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6107 states to 113 states and 6107 transitions. [2018-09-28 10:48:48,562 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 6107 transitions. [2018-09-28 10:48:48,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-28 10:48:48,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:48,862 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:50,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:50,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6218 states to 114 states and 6218 transitions. [2018-09-28 10:48:50,380 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 6218 transitions. [2018-09-28 10:48:50,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-28 10:48:50,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:51,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:51,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6330 states to 115 states and 6330 transitions. [2018-09-28 10:48:51,865 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 6330 transitions. [2018-09-28 10:48:51,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-09-28 10:48:51,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:52,177 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:53,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:53,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6443 states to 116 states and 6443 transitions. [2018-09-28 10:48:53,357 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 6443 transitions. [2018-09-28 10:48:53,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-28 10:48:53,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:53,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:54,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:54,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6444 states to 117 states and 6444 transitions. [2018-09-28 10:48:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 6444 transitions. [2018-09-28 10:48:54,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-09-28 10:48:54,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:27,293 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 1 proven. 6272 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. Received shutdown request... [2018-09-28 10:51:18,837 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 10:51:18,840 INFO L168 Benchmark]: Toolchain (without parser) took 247901.38 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.2 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 300.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-28 10:51:18,841 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 10:51:18,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.99 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 10:51:18,842 INFO L168 Benchmark]: Boogie Preprocessor took 20.90 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 10:51:18,843 INFO L168 Benchmark]: RCFGBuilder took 547.01 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 10:51:18,843 INFO L168 Benchmark]: CodeCheck took 247285.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.2 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 279.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-28 10:51:18,847 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 846 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.99 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 20.90 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 547.01 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 247285.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.2 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 279.0 MB). Peak memory consumption was 1.0 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/RailwayCrossing.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-28_10-51-18-858.csv Completed graceful shutdown