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_PUPT.epf -i ../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 03:03:33,579 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 03:03:33,583 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 03:03:33,596 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 03:03:33,596 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 03:03:33,598 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 03:03:33,600 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 03:03:33,602 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 03:03:33,604 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 03:03:33,605 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 03:03:33,606 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 03:03:33,606 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 03:03:33,607 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 03:03:33,608 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 03:03:33,609 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 03:03:33,610 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 03:03:33,611 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 03:03:33,614 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 03:03:33,616 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 03:03:33,618 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 03:03:33,619 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 03:03:33,621 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 03:03:33,624 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 03:03:33,624 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 03:03:33,625 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 03:03:33,626 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 03:03:33,627 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 03:03:33,628 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 03:03:33,629 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 03:03:33,631 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 03:03:33,631 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 03:03:33,632 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 03:03:33,632 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 03:03:33,633 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 03:03:33,634 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 03:03:33,635 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 03:03:33,636 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-01 03:03:33,656 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 03:03:33,657 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 03:03:33,658 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 03:03:33,658 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 03:03:33,659 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 03:03:33,659 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 03:03:33,659 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 03:03:33,659 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 03:03:33,660 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 03:03:33,660 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 03:03:33,660 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 03:03:33,660 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 03:03:33,660 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 03:03:33,661 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 03:03:33,661 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 03:03:33,661 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 03:03:33,661 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 03:03:33,662 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 03:03:33,662 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 03:03:33,662 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 03:03:33,662 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 03:03:33,662 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 03:03:33,663 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 03:03:33,663 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 03:03:33,663 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 03:03:33,663 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 03:03:33,663 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 03:03:33,664 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 03:03:33,664 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 03:03:33,664 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 03:03:33,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 03:03:33,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 03:03:33,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 03:03:33,741 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 03:03:33,742 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 03:03:33,743 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2018-10-01 03:03:33,743 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2018-10-01 03:03:33,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 03:03:33,840 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 03:03:33,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 03:03:33,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 03:03:33,843 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 03:03:33,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,900 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 03:03:33,900 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 03:03:33,900 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 03:03:33,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 03:03:33,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 03:03:33,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 03:03:33,905 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 03:03:33,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 03:03:33,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 03:03:33,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 03:03:33,959 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 03:03:33,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (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 03:03:34,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-10-01 03:03:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-10-01 03:03:34,081 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-10-01 03:03:35,815 INFO L345 CfgBuilder]: Using library mode [2018-10-01 03:03:35,816 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:03:35 BoogieIcfgContainer [2018-10-01 03:03:35,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 03:03:35,817 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 03:03:35,817 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 03:03:35,831 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 03:03:35,832 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:03:35" (1/1) ... [2018-10-01 03:03:35,848 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 03:03:35,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:35,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-01 03:03:35,893 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-01 03:03:35,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-01 03:03:35,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:36,093 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 03:03:36,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:36,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-10-01 03:03:36,544 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-10-01 03:03:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-01 03:03:36,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:36,746 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 03:03:37,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:37,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-10-01 03:03:37,992 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-10-01 03:03:37,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 03:03:37,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:38,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:40,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:40,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 13 states and 28 transitions. [2018-10-01 03:03:40,332 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 28 transitions. [2018-10-01 03:03:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 03:03:40,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:40,820 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:43,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:43,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2018-10-01 03:03:43,849 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2018-10-01 03:03:43,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 03:03:43,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:44,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:44,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 19 states and 49 transitions. [2018-10-01 03:03:44,824 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 49 transitions. [2018-10-01 03:03:44,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:03:44,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:46,746 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:50,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:50,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 27 states and 83 transitions. [2018-10-01 03:03:50,846 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 83 transitions. [2018-10-01 03:03:50,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:03:50,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:51,229 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:54,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:54,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 30 states and 99 transitions. [2018-10-01 03:03:54,431 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 99 transitions. [2018-10-01 03:03:54,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:03:54,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:54,837 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:57,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:57,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 32 states and 109 transitions. [2018-10-01 03:03:57,072 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 109 transitions. [2018-10-01 03:03:57,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:03:57,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:58,100 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:04,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:04,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 40 states and 151 transitions. [2018-10-01 03:04:04,292 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 151 transitions. [2018-10-01 03:04:04,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:04:04,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:10,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 44 states and 177 transitions. [2018-10-01 03:04:10,336 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 177 transitions. [2018-10-01 03:04:10,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:04:10,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:10,882 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:14,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:14,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 45 states and 182 transitions. [2018-10-01 03:04:14,630 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 182 transitions. [2018-10-01 03:04:14,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:04:14,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:18,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:18,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 47 states and 197 transitions. [2018-10-01 03:04:18,256 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 197 transitions. [2018-10-01 03:04:18,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:04:18,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:20,796 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 03:04:33,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:33,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 53 states and 232 transitions. [2018-10-01 03:04:33,237 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 232 transitions. [2018-10-01 03:04:33,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:04:33,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:34,002 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 03:04:45,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:45,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 58 states and 262 transitions. [2018-10-01 03:04:45,423 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 262 transitions. [2018-10-01 03:04:45,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:04:45,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:46,024 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 03:04:53,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:53,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 61 states and 272 transitions. [2018-10-01 03:04:53,722 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 272 transitions. [2018-10-01 03:04:53,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:04:53,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:54,450 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 03:05:02,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:02,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 63 states and 281 transitions. [2018-10-01 03:05:02,198 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 281 transitions. [2018-10-01 03:05:02,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:05:02,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:02,768 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 03:05:08,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:08,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 65 states and 290 transitions. [2018-10-01 03:05:08,186 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 290 transitions. [2018-10-01 03:05:08,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:05:08,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:12,609 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:34,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:34,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 72 states and 330 transitions. [2018-10-01 03:05:34,796 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 330 transitions. [2018-10-01 03:05:34,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:05:34,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:35,677 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:50,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:50,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 78 states and 345 transitions. [2018-10-01 03:05:50,565 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 345 transitions. [2018-10-01 03:05:50,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:05:50,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:51,273 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:02,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 82 states and 366 transitions. [2018-10-01 03:06:02,646 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 366 transitions. [2018-10-01 03:06:02,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:06:02,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:03,331 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:17,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:17,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 87 states and 387 transitions. [2018-10-01 03:06:17,294 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 387 transitions. [2018-10-01 03:06:17,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:06:17,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:17,879 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 89 states and 397 transitions. [2018-10-01 03:06:27,426 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 397 transitions. [2018-10-01 03:06:27,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:06:27,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:44,076 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:56,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:56,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 99 states and 456 transitions. [2018-10-01 03:07:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 456 transitions. [2018-10-01 03:07:56,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:07:56,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:00,012 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:24,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:24,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 101 states and 477 transitions. [2018-10-01 03:08:24,601 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 477 transitions. [2018-10-01 03:08:24,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:08:24,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:26,716 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:01,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:01,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 106 states and 508 transitions. [2018-10-01 03:09:01,991 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 508 transitions. [2018-10-01 03:09:01,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:09:01,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:04,196 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:26,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:26,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 108 states and 517 transitions. [2018-10-01 03:09:26,892 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 517 transitions. [2018-10-01 03:09:26,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:09:26,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:29,175 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:05,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:05,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 113 states and 542 transitions. [2018-10-01 03:10:05,398 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 542 transitions. [2018-10-01 03:10:05,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:10:05,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:07,495 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:42,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:42,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 117 states and 559 transitions. [2018-10-01 03:10:42,255 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 559 transitions. [2018-10-01 03:10:42,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:10:42,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:19,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:19,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 120 states and 579 transitions. [2018-10-01 03:11:19,431 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 579 transitions. [2018-10-01 03:11:19,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:11:19,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:21,500 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:56,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:56,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 122 states and 581 transitions. [2018-10-01 03:11:56,089 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 581 transitions. [2018-10-01 03:11:56,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:11:56,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:58,061 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:16,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:16,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 124 states and 589 transitions. [2018-10-01 03:12:16,153 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 589 transitions. [2018-10-01 03:12:16,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:12:16,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:17,859 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:33,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:33,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 125 states and 592 transitions. [2018-10-01 03:12:33,847 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 592 transitions. [2018-10-01 03:12:33,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:12:33,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:35,455 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:50,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 124 states and 562 transitions. [2018-10-01 03:12:50,916 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 562 transitions. [2018-10-01 03:12:50,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 03:12:50,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:23,255 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:56,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:56,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 132 states and 619 transitions. [2018-10-01 03:15:56,566 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 619 transitions. [2018-10-01 03:15:56,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 03:15:56,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:59,579 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:26,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:26,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 137 states and 640 transitions. [2018-10-01 03:17:26,057 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 640 transitions. [2018-10-01 03:17:26,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 03:17:26,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown