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 0.1.23-1cc990c [2018-10-01 01:25:31,159 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 01:25:31,161 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 01:25:31,174 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 01:25:31,174 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 01:25:31,176 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 01:25:31,177 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 01:25:31,179 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 01:25:31,181 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 01:25:31,182 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 01:25:31,183 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 01:25:31,183 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 01:25:31,184 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 01:25:31,185 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 01:25:31,187 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 01:25:31,187 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 01:25:31,188 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 01:25:31,190 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 01:25:31,192 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 01:25:31,194 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 01:25:31,195 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 01:25:31,196 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 01:25:31,199 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 01:25:31,199 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 01:25:31,200 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 01:25:31,201 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 01:25:31,202 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 01:25:31,202 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 01:25:31,203 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 01:25:31,204 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 01:25:31,205 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 01:25:31,206 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 01:25:31,206 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 01:25:31,206 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 01:25:31,207 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 01:25:31,208 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 01:25:31,208 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-01 01:25:31,233 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 01:25:31,233 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 01:25:31,236 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 01:25:31,236 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 01:25:31,237 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 01:25:31,237 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 01:25:31,237 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 01:25:31,238 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 01:25:31,238 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 01:25:31,238 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 01:25:31,238 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 01:25:31,240 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 01:25:31,240 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 01:25:31,240 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 01:25:31,240 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 01:25:31,240 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 01:25:31,242 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 01:25:31,242 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 01:25:31,242 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 01:25:31,242 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 01:25:31,243 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 01:25:31,243 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 01:25:31,243 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 01:25:31,243 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 01:25:31,243 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 01:25:31,244 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 01:25:31,244 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 01:25:31,244 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 01:25:31,244 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 01:25:31,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 01:25:31,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 01:25:31,326 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 01:25:31,327 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 01:25:31,328 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 01:25:31,329 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl [2018-10-01 01:25:31,329 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl' [2018-10-01 01:25:31,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 01:25:31,384 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 01:25:31,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 01:25:31,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 01:25:31,385 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 01:25:31,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,420 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 01:25:31,420 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 01:25:31,420 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 01:25:31,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 01:25:31,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 01:25:31,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 01:25:31,423 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 01:25:31,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 01:25:31,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 01:25:31,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 01:25:31,444 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 01:25:31,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 01:25:31,513 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-10-01 01:25:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-10-01 01:25:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-10-01 01:25:32,094 INFO L345 CfgBuilder]: Using library mode [2018-10-01 01:25:32,095 INFO L202 PluginConnector]: Adding new model RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 01:25:32 BoogieIcfgContainer [2018-10-01 01:25:32,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 01:25:32,096 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 01:25:32,096 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 01:25:32,128 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 01:25:32,128 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 01:25:32" (1/1) ... [2018-10-01 01:25:32,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-01 01:25:32,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:32,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-01 01:25:32,208 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-01 01:25:32,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-01 01:25:32,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:32,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:32,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:32,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-10-01 01:25:32,490 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-10-01 01:25:32,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-01 01:25:32,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:32,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:32,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:32,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 7 states and 12 transitions. [2018-10-01 01:25:32,694 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 12 transitions. [2018-10-01 01:25:32,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 01:25:32,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:33,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:33,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 8 states and 17 transitions. [2018-10-01 01:25:33,040 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 17 transitions. [2018-10-01 01:25:33,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 01:25:33,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:33,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 9 states and 23 transitions. [2018-10-01 01:25:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 23 transitions. [2018-10-01 01:25:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 01:25:33,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:33,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 10 states and 30 transitions. [2018-10-01 01:25:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 30 transitions. [2018-10-01 01:25:33,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 01:25:33,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:33,844 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:34,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:34,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 11 states and 38 transitions. [2018-10-01 01:25:34,443 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 38 transitions. [2018-10-01 01:25:34,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 01:25:34,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:34,567 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:34,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:34,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 12 states and 47 transitions. [2018-10-01 01:25:34,786 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 47 transitions. [2018-10-01 01:25:34,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:25:34,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:35,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:35,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 13 states and 57 transitions. [2018-10-01 01:25:35,030 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 57 transitions. [2018-10-01 01:25:35,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 01:25:35,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:35,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:35,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 14 states and 68 transitions. [2018-10-01 01:25:35,326 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 68 transitions. [2018-10-01 01:25:35,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:25:35,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:35,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:35,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 15 states and 80 transitions. [2018-10-01 01:25:35,848 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 80 transitions. [2018-10-01 01:25:35,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:25:35,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:35,936 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:36,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:36,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 16 states and 93 transitions. [2018-10-01 01:25:36,145 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 93 transitions. [2018-10-01 01:25:36,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:25:36,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:36,551 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:37,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:37,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 17 states and 107 transitions. [2018-10-01 01:25:37,011 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 107 transitions. [2018-10-01 01:25:37,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:25:37,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:37,213 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:37,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:37,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 18 states and 122 transitions. [2018-10-01 01:25:37,410 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 122 transitions. [2018-10-01 01:25:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:25:37,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:37,929 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:38,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:38,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 19 states and 138 transitions. [2018-10-01 01:25:38,233 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 138 transitions. [2018-10-01 01:25:38,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:25:38,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:38,432 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:38,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:38,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 20 states and 155 transitions. [2018-10-01 01:25:38,996 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 155 transitions. [2018-10-01 01:25:38,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:25:38,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:39,137 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:39,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 21 states and 173 transitions. [2018-10-01 01:25:39,332 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 173 transitions. [2018-10-01 01:25:39,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-01 01:25:39,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:40,231 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:40,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 22 states and 192 transitions. [2018-10-01 01:25:40,717 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 192 transitions. [2018-10-01 01:25:40,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:25:40,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:40,913 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:41,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:41,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 23 states and 212 transitions. [2018-10-01 01:25:41,218 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 212 transitions. [2018-10-01 01:25:41,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:25:41,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:42,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:42,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 24 states and 233 transitions. [2018-10-01 01:25:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 233 transitions. [2018-10-01 01:25:42,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 01:25:42,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:42,780 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:42,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 25 states and 255 transitions. [2018-10-01 01:25:42,992 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 255 transitions. [2018-10-01 01:25:42,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-01 01:25:42,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:43,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:43,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 26 states and 278 transitions. [2018-10-01 01:25:43,831 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 278 transitions. [2018-10-01 01:25:43,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 01:25:43,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:44,253 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:45,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:45,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 27 states and 302 transitions. [2018-10-01 01:25:45,006 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 302 transitions. [2018-10-01 01:25:45,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-01 01:25:45,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:45,253 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 28 states and 327 transitions. [2018-10-01 01:25:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 327 transitions. [2018-10-01 01:25:45,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 01:25:45,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:45,852 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:46,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:46,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 29 states and 353 transitions. [2018-10-01 01:25:46,132 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 353 transitions. [2018-10-01 01:25:46,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-01 01:25:46,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:46,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 30 states and 380 transitions. [2018-10-01 01:25:46,569 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 380 transitions. [2018-10-01 01:25:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 01:25:46,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:46,830 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:47,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:47,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 31 states and 408 transitions. [2018-10-01 01:25:47,137 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 408 transitions. [2018-10-01 01:25:47,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-01 01:25:47,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:48,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 32 states and 437 transitions. [2018-10-01 01:25:48,180 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 437 transitions. [2018-10-01 01:25:48,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 01:25:48,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:48,365 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:48,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:48,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 33 states and 467 transitions. [2018-10-01 01:25:48,912 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 467 transitions. [2018-10-01 01:25:48,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-01 01:25:48,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:49,251 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:49,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:49,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 34 states and 498 transitions. [2018-10-01 01:25:49,561 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 498 transitions. [2018-10-01 01:25:49,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 01:25:49,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:49,733 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:49,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:49,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 35 states and 530 transitions. [2018-10-01 01:25:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 530 transitions. [2018-10-01 01:25:49,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-01 01:25:49,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:50,135 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:50,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 36 states and 563 transitions. [2018-10-01 01:25:50,393 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 563 transitions. [2018-10-01 01:25:50,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 01:25:50,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:50,687 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:50,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:50,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 37 states and 597 transitions. [2018-10-01 01:25:50,945 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 597 transitions. [2018-10-01 01:25:50,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-01 01:25:50,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:51,085 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:51,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 38 states and 632 transitions. [2018-10-01 01:25:51,372 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 632 transitions. [2018-10-01 01:25:51,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 01:25:51,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:51,544 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:51,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 39 states and 668 transitions. [2018-10-01 01:25:51,807 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 668 transitions. [2018-10-01 01:25:51,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-01 01:25:51,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:51,941 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:52,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:52,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 40 states and 705 transitions. [2018-10-01 01:25:52,296 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 705 transitions. [2018-10-01 01:25:52,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 01:25:52,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:52,456 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:52,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 41 states and 743 transitions. [2018-10-01 01:25:52,780 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 743 transitions. [2018-10-01 01:25:52,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-01 01:25:52,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:53,051 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:53,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:53,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 42 states and 782 transitions. [2018-10-01 01:25:53,450 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 782 transitions. [2018-10-01 01:25:53,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 01:25:53,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:53,866 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:54,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 43 states and 822 transitions. [2018-10-01 01:25:54,187 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 822 transitions. [2018-10-01 01:25:54,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-01 01:25:54,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:54,483 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:00,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 44 states and 863 transitions. [2018-10-01 01:26:00,086 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 863 transitions. [2018-10-01 01:26:00,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 01:26:00,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:01,966 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:05,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:05,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 45 states and 905 transitions. [2018-10-01 01:26:05,712 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 905 transitions. [2018-10-01 01:26:05,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-01 01:26:05,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:05,897 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:06,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:06,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 46 states and 948 transitions. [2018-10-01 01:26:06,218 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 948 transitions. [2018-10-01 01:26:06,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 01:26:06,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:06,459 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:07,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:07,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 47 states and 992 transitions. [2018-10-01 01:26:07,093 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 992 transitions. [2018-10-01 01:26:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-01 01:26:07,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:07,288 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:07,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:07,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 48 states and 1037 transitions. [2018-10-01 01:26:07,699 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 1037 transitions. [2018-10-01 01:26:07,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 01:26:07,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:08,076 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:08,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:08,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 49 states and 1083 transitions. [2018-10-01 01:26:08,566 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 1083 transitions. [2018-10-01 01:26:08,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 01:26:08,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:09,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:09,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 50 states and 1130 transitions. [2018-10-01 01:26:09,479 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 1130 transitions. [2018-10-01 01:26:09,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 01:26:09,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:09,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:10,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:10,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 51 states and 1178 transitions. [2018-10-01 01:26:10,151 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 1178 transitions. [2018-10-01 01:26:10,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 01:26:10,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:10,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:10,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:10,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 52 states and 1227 transitions. [2018-10-01 01:26:10,699 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 1227 transitions. [2018-10-01 01:26:10,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 01:26:10,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:11,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:12,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:12,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 53 states and 1277 transitions. [2018-10-01 01:26:12,227 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 1277 transitions. [2018-10-01 01:26:12,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 01:26:12,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:13,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:13,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 54 states and 1328 transitions. [2018-10-01 01:26:13,140 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 1328 transitions. [2018-10-01 01:26:13,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 01:26:13,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:13,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:14,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:14,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 55 states and 1380 transitions. [2018-10-01 01:26:14,579 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 1380 transitions. [2018-10-01 01:26:14,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 01:26:14,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:14,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:15,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:15,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 56 states and 1433 transitions. [2018-10-01 01:26:15,389 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 1433 transitions. [2018-10-01 01:26:15,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 01:26:15,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:15,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:16,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:16,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 57 states and 1487 transitions. [2018-10-01 01:26:16,117 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 1487 transitions. [2018-10-01 01:26:16,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 01:26:16,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:16,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:17,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:17,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 58 states and 1542 transitions. [2018-10-01 01:26:17,277 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 1542 transitions. [2018-10-01 01:26:17,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 01:26:17,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:17,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:17,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:17,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 59 states and 1598 transitions. [2018-10-01 01:26:17,880 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 1598 transitions. [2018-10-01 01:26:17,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 01:26:17,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:18,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 60 states and 1655 transitions. [2018-10-01 01:26:18,586 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 1655 transitions. [2018-10-01 01:26:18,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 01:26:18,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:18,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:19,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:19,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 61 states and 1713 transitions. [2018-10-01 01:26:19,339 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 1713 transitions. [2018-10-01 01:26:19,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 01:26:19,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:20,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:20,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 62 states and 1772 transitions. [2018-10-01 01:26:20,142 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 1772 transitions. [2018-10-01 01:26:20,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 01:26:20,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:20,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:20,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:20,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 63 states and 1832 transitions. [2018-10-01 01:26:20,906 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 1832 transitions. [2018-10-01 01:26:20,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-01 01:26:20,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:21,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:21,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:21,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 64 states and 1893 transitions. [2018-10-01 01:26:21,577 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 1893 transitions. [2018-10-01 01:26:21,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 01:26:21,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:22,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:22,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 65 states and 1955 transitions. [2018-10-01 01:26:22,333 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 1955 transitions. [2018-10-01 01:26:22,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-01 01:26:22,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:22,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:23,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:23,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 66 states and 2018 transitions. [2018-10-01 01:26:23,052 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 2018 transitions. [2018-10-01 01:26:23,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 01:26:23,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:23,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:23,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 67 states and 2082 transitions. [2018-10-01 01:26:23,755 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 2082 transitions. [2018-10-01 01:26:23,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-01 01:26:23,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:23,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:24,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:24,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 68 states and 2147 transitions. [2018-10-01 01:26:24,762 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 2147 transitions. [2018-10-01 01:26:24,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 01:26:24,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:24,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:25,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 69 states and 2213 transitions. [2018-10-01 01:26:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 2213 transitions. [2018-10-01 01:26:25,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-01 01:26:25,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:25,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:26,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:26,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 70 states and 2280 transitions. [2018-10-01 01:26:26,307 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 2280 transitions. [2018-10-01 01:26:26,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 01:26:26,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:26,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:27,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 71 states and 2348 transitions. [2018-10-01 01:26:27,093 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 2348 transitions. [2018-10-01 01:26:27,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-01 01:26:27,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:27,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:27,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 72 states and 2417 transitions. [2018-10-01 01:26:27,862 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 2417 transitions. [2018-10-01 01:26:27,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 01:26:27,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:28,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:28,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 73 states and 2487 transitions. [2018-10-01 01:26:28,660 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 2487 transitions. [2018-10-01 01:26:28,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-01 01:26:28,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:28,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:29,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:29,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 74 states and 2558 transitions. [2018-10-01 01:26:29,637 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 2558 transitions. [2018-10-01 01:26:29,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 01:26:29,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:29,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:30,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:30,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 75 states and 2630 transitions. [2018-10-01 01:26:30,663 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 2630 transitions. [2018-10-01 01:26:30,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-01 01:26:30,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:30,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:31,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:31,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 76 states and 2703 transitions. [2018-10-01 01:26:31,556 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 2703 transitions. [2018-10-01 01:26:31,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 01:26:31,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:32,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:32,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 77 states and 2777 transitions. [2018-10-01 01:26:32,493 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 2777 transitions. [2018-10-01 01:26:32,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-01 01:26:32,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:32,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:33,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:33,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 78 states and 2852 transitions. [2018-10-01 01:26:33,360 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 2852 transitions. [2018-10-01 01:26:33,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 01:26:33,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:33,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:34,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:34,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 79 states and 2928 transitions. [2018-10-01 01:26:34,273 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 2928 transitions. [2018-10-01 01:26:34,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-01 01:26:34,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:35,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:35,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 80 states and 3005 transitions. [2018-10-01 01:26:35,381 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 3005 transitions. [2018-10-01 01:26:35,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 01:26:35,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:35,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:36,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:36,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 81 states and 3083 transitions. [2018-10-01 01:26:36,409 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 3083 transitions. [2018-10-01 01:26:36,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-01 01:26:36,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:36,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:37,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:37,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 82 states and 3162 transitions. [2018-10-01 01:26:37,343 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 3162 transitions. [2018-10-01 01:26:37,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 01:26:37,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:37,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:38,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 83 states and 3242 transitions. [2018-10-01 01:26:38,317 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 3242 transitions. [2018-10-01 01:26:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-01 01:26:38,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:38,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:39,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:39,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 84 states and 3323 transitions. [2018-10-01 01:26:39,255 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 3323 transitions. [2018-10-01 01:26:39,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-01 01:26:39,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:40,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:40,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 85 states and 3405 transitions. [2018-10-01 01:26:40,405 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 3405 transitions. [2018-10-01 01:26:40,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-01 01:26:40,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:40,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:41,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:41,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 86 states and 3488 transitions. [2018-10-01 01:26:41,369 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 3488 transitions. [2018-10-01 01:26:41,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-01 01:26:41,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:41,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:42,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:42,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 87 states and 3572 transitions. [2018-10-01 01:26:42,402 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 3572 transitions. [2018-10-01 01:26:42,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-01 01:26:42,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:42,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:43,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:43,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3657 states to 88 states and 3657 transitions. [2018-10-01 01:26:43,599 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 3657 transitions. [2018-10-01 01:26:43,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-01 01:26:43,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:43,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:44,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 89 states and 3743 transitions. [2018-10-01 01:26:44,714 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 3743 transitions. [2018-10-01 01:26:44,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-01 01:26:44,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:45,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:45,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:45,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 90 states and 3830 transitions. [2018-10-01 01:26:45,946 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 3830 transitions. [2018-10-01 01:26:45,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-01 01:26:45,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:46,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3918 states to 91 states and 3918 transitions. [2018-10-01 01:26:46,967 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 3918 transitions. [2018-10-01 01:26:46,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-01 01:26:46,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:47,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:48,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:48,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 92 states and 4007 transitions. [2018-10-01 01:26:48,292 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 4007 transitions. [2018-10-01 01:26:48,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-01 01:26:48,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:48,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:49,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:49,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 93 states and 4097 transitions. [2018-10-01 01:26:49,361 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 4097 transitions. [2018-10-01 01:26:49,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-01 01:26:49,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:49,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:50,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:50,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4188 states to 94 states and 4188 transitions. [2018-10-01 01:26:50,763 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 4188 transitions. [2018-10-01 01:26:50,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-01 01:26:50,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:51,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:51,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:51,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 95 states and 4280 transitions. [2018-10-01 01:26:51,914 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 4280 transitions. [2018-10-01 01:26:51,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-01 01:26:51,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:52,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:53,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:53,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4373 states to 96 states and 4373 transitions. [2018-10-01 01:26:53,043 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 4373 transitions. [2018-10-01 01:26:53,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-01 01:26:53,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:54,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:54,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4467 states to 97 states and 4467 transitions. [2018-10-01 01:26:54,215 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 4467 transitions. [2018-10-01 01:26:54,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-01 01:26:54,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:54,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:55,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:55,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4562 states to 98 states and 4562 transitions. [2018-10-01 01:26:55,668 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 4562 transitions. [2018-10-01 01:26:55,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-01 01:26:55,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:56,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:56,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:56,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4658 states to 99 states and 4658 transitions. [2018-10-01 01:26:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 4658 transitions. [2018-10-01 01:26:56,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-01 01:26:56,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:57,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:58,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4755 states to 100 states and 4755 transitions. [2018-10-01 01:26:58,223 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 4755 transitions. [2018-10-01 01:26:58,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-01 01:26:58,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:58,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:59,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4853 states to 101 states and 4853 transitions. [2018-10-01 01:26:59,544 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 4853 transitions. [2018-10-01 01:26:59,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-01 01:26:59,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:59,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:01,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:01,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4952 states to 102 states and 4952 transitions. [2018-10-01 01:27:01,107 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 4952 transitions. [2018-10-01 01:27:01,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-01 01:27:01,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5052 states to 103 states and 5052 transitions. [2018-10-01 01:27:02,351 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 5052 transitions. [2018-10-01 01:27:02,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-01 01:27:02,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:02,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:03,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:03,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5153 states to 104 states and 5153 transitions. [2018-10-01 01:27:03,656 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 5153 transitions. [2018-10-01 01:27:03,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-01 01:27:03,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:05,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:05,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5255 states to 105 states and 5255 transitions. [2018-10-01 01:27:05,027 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 5255 transitions. [2018-10-01 01:27:05,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-01 01:27:05,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:05,630 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:06,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:06,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5358 states to 106 states and 5358 transitions. [2018-10-01 01:27:06,697 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 5358 transitions. [2018-10-01 01:27:06,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-01 01:27:06,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:07,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:08,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:08,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5462 states to 107 states and 5462 transitions. [2018-10-01 01:27:08,078 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 5462 transitions. [2018-10-01 01:27:08,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-01 01:27:08,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:08,382 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:09,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:09,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5567 states to 108 states and 5567 transitions. [2018-10-01 01:27:09,433 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 5567 transitions. [2018-10-01 01:27:09,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-01 01:27:09,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:09,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:11,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:11,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5673 states to 109 states and 5673 transitions. [2018-10-01 01:27:11,239 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 5673 transitions. [2018-10-01 01:27:11,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-01 01:27:11,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:11,557 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:12,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5780 states to 110 states and 5780 transitions. [2018-10-01 01:27:12,645 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 5780 transitions. [2018-10-01 01:27:12,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-01 01:27:12,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:12,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:14,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5888 states to 111 states and 5888 transitions. [2018-10-01 01:27:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 5888 transitions. [2018-10-01 01:27:14,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-01 01:27:14,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:14,322 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:15,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:15,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5997 states to 112 states and 5997 transitions. [2018-10-01 01:27:15,465 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 5997 transitions. [2018-10-01 01:27:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-01 01:27:15,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:15,998 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:17,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:17,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6107 states to 113 states and 6107 transitions. [2018-10-01 01:27:17,143 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 6107 transitions. [2018-10-01 01:27:17,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-01 01:27:17,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:17,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:18,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6218 states to 114 states and 6218 transitions. [2018-10-01 01:27:18,586 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 6218 transitions. [2018-10-01 01:27:18,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-01 01:27:18,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:20,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:20,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6330 states to 115 states and 6330 transitions. [2018-10-01 01:27:20,060 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 6330 transitions. [2018-10-01 01:27:20,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-01 01:27:20,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:20,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:21,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:21,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6443 states to 116 states and 6443 transitions. [2018-10-01 01:27:21,674 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 6443 transitions. [2018-10-01 01:27:21,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-01 01:27:21,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:23,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:23,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6444 states to 117 states and 6444 transitions. [2018-10-01 01:27:23,208 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 6444 transitions. [2018-10-01 01:27:23,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-01 01:27:23,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 1 proven. 6272 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-01 01:30:59,146 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-01 01:32:14,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:32:14,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25586 states to 231 states and 25586 transitions. [2018-10-01 01:32:14,160 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 25586 transitions. [2018-10-01 01:32:14,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-01 01:32:14,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:32:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:32:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 1 proven. 6374 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-01 01:36:59,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:36:59,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42247 states to 331 states and 42247 transitions. [2018-10-01 01:36:59,797 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 42247 transitions. [2018-10-01 01:36:59,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-01 01:36:59,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:36:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:00,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 1 proven. 6476 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. Received shutdown request... [2018-10-01 01:38:38,256 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-01 01:38:38,258 INFO L168 Benchmark]: Toolchain (without parser) took 786876.87 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -698.5 MB). Peak memory consumption was 952.0 MB. Max. memory is 7.1 GB. [2018-10-01 01:38:38,259 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 01:38:38,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.40 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 01:38:38,260 INFO L168 Benchmark]: Boogie Preprocessor took 20.03 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 01:38:38,260 INFO L168 Benchmark]: RCFGBuilder took 652.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-01 01:38:38,261 INFO L168 Benchmark]: CodeCheck took 786161.41 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -719.6 MB). Peak memory consumption was 930.8 MB. Max. memory is 7.1 GB. [2018-10-01 01:38:38,264 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 1626 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.40 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 20.03 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 652.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 786161.41 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -719.6 MB). Peak memory consumption was 930.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/RailwayCrossing.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-01_01-38-38-275.csv Completed graceful shutdown