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/20170304-DifficultPathPrograms/nested1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 10:14:43,801 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:14:43,803 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:14:43,820 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:14:43,821 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:14:43,822 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:14:43,824 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:14:43,826 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:14:43,827 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:14:43,828 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:14:43,829 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:14:43,829 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:14:43,830 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:14:43,831 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:14:43,832 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:14:43,833 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:14:43,834 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:14:43,835 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:14:43,837 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:14:43,839 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:14:43,840 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:14:43,841 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:14:43,843 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:14:43,843 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:14:43,843 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:14:43,844 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:14:43,845 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:14:43,846 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:14:43,847 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:14:43,848 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:14:43,848 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:14:43,849 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:14:43,849 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:14:43,849 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:14:43,850 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:14:43,851 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:14:43,852 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-04 10:14:43,881 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:14:43,881 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:14:43,882 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:14:43,882 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:14:43,883 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:14:43,883 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:14:43,883 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:14:43,886 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:14:43,886 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:14:43,886 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:14:43,886 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:14:43,887 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:14:43,887 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:14:43,887 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:14:43,887 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:14:43,887 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:14:43,888 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:14:43,888 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:14:43,888 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:14:43,888 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:14:43,888 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:14:43,889 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:14:43,889 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:14:43,889 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:14:43,889 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:14:43,889 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:14:43,890 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:14:43,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:14:43,890 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:14:43,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:14:43,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:14:43,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:14:43,969 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:14:43,970 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:14:43,971 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl [2018-10-04 10:14:43,971 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl' [2018-10-04 10:14:44,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:14:44,032 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:14:44,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:14:44,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:14:44,033 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:14:44,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:14:44" (1/1) ... [2018-10-04 10:14:44,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:14:44" (1/1) ... [2018-10-04 10:14:44,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:14:44,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:14:44,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:14:44,071 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:14:44,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:14:44" (1/1) ... [2018-10-04 10:14:44,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:14:44" (1/1) ... [2018-10-04 10:14:44,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:14:44" (1/1) ... [2018-10-04 10:14:44,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:14:44" (1/1) ... [2018-10-04 10:14:44,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:14:44" (1/1) ... [2018-10-04 10:14:44,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:14:44" (1/1) ... [2018-10-04 10:14:44,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:14:44" (1/1) ... [2018-10-04 10:14:44,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:14:44,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:14:44,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:14:44,089 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:14:44,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:14:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:14:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 10:14:44,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 10:14:44,425 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 10:14:44,426 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:14:44 BoogieIcfgContainer [2018-10-04 10:14:44,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:14:44,427 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:14:44,428 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:14:44,440 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:14:44,440 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:14:44" (1/1) ... [2018-10-04 10:14:44,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 10:14:44,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:44,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-04 10:14:44,498 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-04 10:14:44,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:14:44,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:44,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:44,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-10-04 10:14:44,844 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-10-04 10:14:44,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:14:44,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:44,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:45,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:45,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-10-04 10:14:45,045 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-10-04 10:14:45,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:14:45,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:45,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:14:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:45,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-10-04 10:14:45,516 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-10-04 10:14:45,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:14:45,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:45,656 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-04 10:14:46,355 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-04 10:14:46,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:46,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-10-04 10:14:46,652 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-10-04 10:14:46,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:14:46,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:46,721 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-04 10:14:46,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:46,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2018-10-04 10:14:46,980 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-10-04 10:14:46,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:14:46,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:47,020 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-04 10:14:47,510 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-04 10:14:47,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:47,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2018-10-04 10:14:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2018-10-04 10:14:47,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:14:47,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-04 10:14:48,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:48,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2018-10-04 10:14:48,904 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2018-10-04 10:14:48,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 10:14:48,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:49,011 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 70 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-04 10:14:49,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:49,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2018-10-04 10:14:49,335 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-10-04 10:14:49,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:14:49,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:49,380 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 120 proven. 12 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-04 10:14:49,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:49,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2018-10-04 10:14:49,701 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-10-04 10:14:49,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 10:14:49,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:50,230 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-04 10:14:51,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:51,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2018-10-04 10:14:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-10-04 10:14:51,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:14:51,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 262 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-04 10:14:53,033 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-10-04 10:14:53,849 WARN L178 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-04 10:14:54,621 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-04 10:14:54,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:54,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 59 states and 65 transitions. [2018-10-04 10:14:54,634 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2018-10-04 10:14:54,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 10:14:54,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 322 proven. 12 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-10-04 10:14:55,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:55,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 61 states and 67 transitions. [2018-10-04 10:14:55,017 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2018-10-04 10:14:55,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 10:14:55,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:55,182 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-04 10:14:55,596 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-04 10:14:56,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:56,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 71 states and 78 transitions. [2018-10-04 10:14:56,713 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2018-10-04 10:14:56,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 10:14:56,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:56,756 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 448 proven. 12 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-10-04 10:14:57,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:57,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 73 states and 80 transitions. [2018-10-04 10:14:57,099 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2018-10-04 10:14:57,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 10:14:57,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:57,318 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 0 proven. 694 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-04 10:14:59,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:59,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2018-10-04 10:14:59,480 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2018-10-04 10:14:59,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 10:14:59,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:14:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:14:59,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 574 proven. 12 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2018-10-04 10:14:59,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:14:59,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 85 states and 93 transitions. [2018-10-04 10:14:59,986 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2018-10-04 10:14:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 10:14:59,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 0 proven. 988 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-10-04 10:15:02,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:02,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 95 states and 104 transitions. [2018-10-04 10:15:02,252 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2018-10-04 10:15:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 10:15:02,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:02,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 700 proven. 12 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2018-10-04 10:15:02,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:02,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 97 states and 106 transitions. [2018-10-04 10:15:02,920 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2018-10-04 10:15:02,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 10:15:02,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:03,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 0 proven. 1334 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-10-04 10:15:05,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:05,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 107 states and 117 transitions. [2018-10-04 10:15:05,584 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2018-10-04 10:15:05,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-04 10:15:05,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:05,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1812 backedges. 826 proven. 12 refuted. 0 times theorem prover too weak. 974 trivial. 0 not checked. [2018-10-04 10:15:06,294 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 9 [2018-10-04 10:15:06,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:06,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 109 states and 119 transitions. [2018-10-04 10:15:06,582 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2018-10-04 10:15:06,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-04 10:15:06,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:07,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1896 backedges. 0 proven. 1732 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-10-04 10:15:10,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:10,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 119 states and 130 transitions. [2018-10-04 10:15:10,367 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 130 transitions. [2018-10-04 10:15:10,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-04 10:15:10,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:10,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 952 proven. 12 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2018-10-04 10:15:11,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 121 states and 132 transitions. [2018-10-04 10:15:11,026 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 132 transitions. [2018-10-04 10:15:11,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-04 10:15:11,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:12,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2366 backedges. 0 proven. 2182 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-10-04 10:15:15,011 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-04 10:15:15,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:15,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 131 states and 143 transitions. [2018-10-04 10:15:15,990 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2018-10-04 10:15:15,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-04 10:15:15,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2784 backedges. 1078 proven. 12 refuted. 0 times theorem prover too weak. 1694 trivial. 0 not checked. [2018-10-04 10:15:16,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:16,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 133 states and 145 transitions. [2018-10-04 10:15:16,536 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2018-10-04 10:15:16,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-04 10:15:16,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 0 proven. 2684 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-04 10:15:20,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 143 states and 156 transitions. [2018-10-04 10:15:20,810 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2018-10-04 10:15:20,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-04 10:15:20,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:20,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3348 backedges. 1204 proven. 12 refuted. 0 times theorem prover too weak. 2132 trivial. 0 not checked. [2018-10-04 10:15:21,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 145 states and 158 transitions. [2018-10-04 10:15:21,521 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 158 transitions. [2018-10-04 10:15:21,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-04 10:15:21,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:21,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3462 backedges. 0 proven. 3238 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2018-10-04 10:15:25,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:25,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 155 states and 169 transitions. [2018-10-04 10:15:25,716 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 169 transitions. [2018-10-04 10:15:25,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-04 10:15:25,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3964 backedges. 1330 proven. 12 refuted. 0 times theorem prover too weak. 2622 trivial. 0 not checked. [2018-10-04 10:15:26,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:26,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 157 states and 171 transitions. [2018-10-04 10:15:26,340 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 171 transitions. [2018-10-04 10:15:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-04 10:15:26,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4088 backedges. 0 proven. 3844 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-10-04 10:15:31,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:31,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 167 states and 182 transitions. [2018-10-04 10:15:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 182 transitions. [2018-10-04 10:15:31,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-04 10:15:31,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:31,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4632 backedges. 1456 proven. 12 refuted. 0 times theorem prover too weak. 3164 trivial. 0 not checked. [2018-10-04 10:15:32,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 169 states and 184 transitions. [2018-10-04 10:15:32,547 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 184 transitions. [2018-10-04 10:15:32,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-04 10:15:32,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:33,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4766 backedges. 0 proven. 4502 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-10-04 10:15:36,679 WARN L178 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 9 [2018-10-04 10:15:37,660 WARN L178 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-10-04 10:15:40,531 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-04 10:15:42,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:42,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 179 states and 195 transitions. [2018-10-04 10:15:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 195 transitions. [2018-10-04 10:15:42,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-04 10:15:42,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:42,320 INFO L134 CoverageAnalysis]: Checked inductivity of 5352 backedges. 1582 proven. 12 refuted. 0 times theorem prover too weak. 3758 trivial. 0 not checked. [2018-10-04 10:15:42,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:42,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 181 states and 197 transitions. [2018-10-04 10:15:42,972 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 197 transitions. [2018-10-04 10:15:42,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-04 10:15:42,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:43,471 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 0 proven. 5212 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-10-04 10:15:45,839 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-10-04 10:15:48,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:48,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 191 states and 208 transitions. [2018-10-04 10:15:48,530 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 208 transitions. [2018-10-04 10:15:48,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-04 10:15:48,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:48,581 INFO L134 CoverageAnalysis]: Checked inductivity of 6124 backedges. 1708 proven. 12 refuted. 0 times theorem prover too weak. 4404 trivial. 0 not checked. [2018-10-04 10:15:49,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:49,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 193 states and 210 transitions. [2018-10-04 10:15:49,245 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 210 transitions. [2018-10-04 10:15:49,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-04 10:15:49,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:49,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6278 backedges. 0 proven. 5974 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2018-10-04 10:15:50,832 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-04 10:15:51,243 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-04 10:15:55,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:55,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 203 states and 221 transitions. [2018-10-04 10:15:55,162 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 221 transitions. [2018-10-04 10:15:55,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-04 10:15:55,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 6948 backedges. 1834 proven. 12 refuted. 0 times theorem prover too weak. 5102 trivial. 0 not checked. [2018-10-04 10:15:56,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:15:56,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 205 states and 223 transitions. [2018-10-04 10:15:56,324 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 223 transitions. [2018-10-04 10:15:56,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-04 10:15:56,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:15:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:15:57,056 INFO L134 CoverageAnalysis]: Checked inductivity of 7112 backedges. 0 proven. 6788 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-10-04 10:16:00,823 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-04 10:16:01,931 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-04 10:16:03,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 215 states and 234 transitions. [2018-10-04 10:16:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 234 transitions. [2018-10-04 10:16:03,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-04 10:16:03,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:03,152 INFO L134 CoverageAnalysis]: Checked inductivity of 7824 backedges. 1960 proven. 12 refuted. 0 times theorem prover too weak. 5852 trivial. 0 not checked. [2018-10-04 10:16:04,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:04,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 217 states and 236 transitions. [2018-10-04 10:16:04,398 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 236 transitions. [2018-10-04 10:16:04,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-04 10:16:04,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:05,151 INFO L134 CoverageAnalysis]: Checked inductivity of 7998 backedges. 0 proven. 7654 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2018-10-04 10:16:09,449 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-04 10:16:10,406 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-04 10:16:11,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:11,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 227 states and 247 transitions. [2018-10-04 10:16:11,726 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 247 transitions. [2018-10-04 10:16:11,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-04 10:16:11,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:11,786 INFO L134 CoverageAnalysis]: Checked inductivity of 8752 backedges. 2086 proven. 12 refuted. 0 times theorem prover too weak. 6654 trivial. 0 not checked. [2018-10-04 10:16:12,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:12,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 229 states and 249 transitions. [2018-10-04 10:16:12,645 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 249 transitions. [2018-10-04 10:16:12,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-04 10:16:12,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:13,098 INFO L134 CoverageAnalysis]: Checked inductivity of 8936 backedges. 0 proven. 8572 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-10-04 10:16:13,671 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-04 10:16:14,554 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-04 10:16:14,951 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-04 10:16:15,869 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-04 10:16:16,341 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-04 10:16:17,402 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-04 10:16:17,869 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-10-04 10:16:18,871 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-04 10:16:19,468 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-10-04 10:16:20,298 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-10-04 10:16:20,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:20,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 239 states and 260 transitions. [2018-10-04 10:16:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 260 transitions. [2018-10-04 10:16:20,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-04 10:16:20,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:20,380 INFO L134 CoverageAnalysis]: Checked inductivity of 9732 backedges. 2212 proven. 12 refuted. 0 times theorem prover too weak. 7508 trivial. 0 not checked. [2018-10-04 10:16:21,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:21,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 241 states and 262 transitions. [2018-10-04 10:16:21,295 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 262 transitions. [2018-10-04 10:16:21,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-10-04 10:16:21,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:22,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9926 backedges. 0 proven. 9542 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-04 10:16:22,771 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-04 10:16:23,694 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-04 10:16:24,141 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-04 10:16:25,099 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-04 10:16:25,538 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-04 10:16:26,515 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-04 10:16:27,098 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-04 10:16:28,198 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-04 10:16:28,845 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-10-04 10:16:29,655 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-04 10:16:29,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:29,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 251 states and 273 transitions. [2018-10-04 10:16:29,678 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 273 transitions. [2018-10-04 10:16:29,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-04 10:16:29,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:29,743 INFO L134 CoverageAnalysis]: Checked inductivity of 10764 backedges. 2338 proven. 12 refuted. 0 times theorem prover too weak. 8414 trivial. 0 not checked. [2018-10-04 10:16:30,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:30,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 253 states and 275 transitions. [2018-10-04 10:16:30,684 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 275 transitions. [2018-10-04 10:16:30,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-04 10:16:30,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 10968 backedges. 0 proven. 10564 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2018-10-04 10:16:32,064 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-10-04 10:16:33,077 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-04 10:16:33,541 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-10-04 10:16:34,644 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-04 10:16:35,109 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-10-04 10:16:36,136 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-04 10:16:36,676 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-10-04 10:16:38,078 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-04 10:16:38,796 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-10-04 10:16:39,665 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-10-04 10:16:39,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:39,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 263 states and 286 transitions. [2018-10-04 10:16:39,689 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 286 transitions. [2018-10-04 10:16:39,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-04 10:16:39,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:39,766 INFO L134 CoverageAnalysis]: Checked inductivity of 11848 backedges. 2464 proven. 12 refuted. 0 times theorem prover too weak. 9372 trivial. 0 not checked. [2018-10-04 10:16:40,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:40,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 265 states and 288 transitions. [2018-10-04 10:16:40,908 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 288 transitions. [2018-10-04 10:16:40,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-04 10:16:40,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:41,686 INFO L134 CoverageAnalysis]: Checked inductivity of 12062 backedges. 0 proven. 11638 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2018-10-04 10:16:42,648 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-04 10:16:43,748 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-04 10:16:44,247 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-04 10:16:45,353 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-04 10:16:45,866 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-04 10:16:47,062 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-04 10:16:47,677 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-10-04 10:16:48,944 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-04 10:16:49,698 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-10-04 10:16:50,664 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-10-04 10:16:50,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 275 states and 299 transitions. [2018-10-04 10:16:50,689 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 299 transitions. [2018-10-04 10:16:50,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-04 10:16:50,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 12984 backedges. 2590 proven. 12 refuted. 0 times theorem prover too weak. 10382 trivial. 0 not checked. [2018-10-04 10:16:51,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:51,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 277 states and 301 transitions. [2018-10-04 10:16:51,792 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 301 transitions. [2018-10-04 10:16:51,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-04 10:16:51,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:52,538 INFO L134 CoverageAnalysis]: Checked inductivity of 13208 backedges. 0 proven. 12764 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2018-10-04 10:16:53,224 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-10-04 10:16:54,366 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-04 10:16:54,910 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-10-04 10:16:56,068 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-04 10:16:56,609 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-10-04 10:16:57,848 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-04 10:16:58,443 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-04 10:16:59,851 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-04 10:17:00,638 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-04 10:17:01,674 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-04 10:17:01,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:17:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 287 states and 312 transitions. [2018-10-04 10:17:01,698 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 312 transitions. [2018-10-04 10:17:01,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-10-04 10:17:01,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:17:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:17:01,782 INFO L134 CoverageAnalysis]: Checked inductivity of 14172 backedges. 2716 proven. 12 refuted. 0 times theorem prover too weak. 11444 trivial. 0 not checked. [2018-10-04 10:17:03,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:17:03,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 289 states and 314 transitions. [2018-10-04 10:17:03,074 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 314 transitions. [2018-10-04 10:17:03,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-10-04 10:17:03,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:17:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:17:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 14406 backedges. 0 proven. 13942 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2018-10-04 10:17:04,456 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-10-04 10:17:05,702 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-04 10:17:06,269 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-10-04 10:17:07,694 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-04 10:17:08,284 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-10-04 10:17:09,600 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-04 10:17:10,244 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-04 10:17:11,630 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-04 10:17:12,461 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-10-04 10:17:13,593 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-04 10:17:13,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:17:13,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 299 states and 325 transitions. [2018-10-04 10:17:13,616 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 325 transitions. [2018-10-04 10:17:13,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-10-04 10:17:13,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:17:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:17:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 15412 backedges. 2842 proven. 12 refuted. 0 times theorem prover too weak. 12558 trivial. 0 not checked. [2018-10-04 10:17:14,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:17:14,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 301 states and 327 transitions. [2018-10-04 10:17:14,712 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 327 transitions. [2018-10-04 10:17:14,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-04 10:17:14,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:17:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:17:15,475 INFO L134 CoverageAnalysis]: Checked inductivity of 15656 backedges. 0 proven. 15172 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2018-10-04 10:17:16,275 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-04 10:17:17,622 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-04 10:17:18,302 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-04 10:17:19,631 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-04 10:17:20,242 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-04 10:17:21,609 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-04 10:17:22,312 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-10-04 10:17:23,860 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-10-04 10:17:24,770 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-10-04 10:17:26,019 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-10-04 10:17:26,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:17:26,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 311 states and 338 transitions. [2018-10-04 10:17:26,046 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 338 transitions. [2018-10-04 10:17:26,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-10-04 10:17:26,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:17:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:17:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 16704 backedges. 2968 proven. 12 refuted. 0 times theorem prover too weak. 13724 trivial. 0 not checked. [2018-10-04 10:17:27,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:17:27,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 313 states and 340 transitions. [2018-10-04 10:17:27,727 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 340 transitions. [2018-10-04 10:17:27,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-10-04 10:17:27,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:17:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:17:28,631 INFO L134 CoverageAnalysis]: Checked inductivity of 16958 backedges. 0 proven. 16454 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2018-10-04 10:17:29,429 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-04 10:17:30,855 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-04 10:17:31,486 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-04 10:17:32,883 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-04 10:17:33,574 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-04 10:17:35,027 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-04 10:17:35,716 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-04 10:17:37,304 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-04 10:17:38,306 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-10-04 10:17:39,524 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-10-04 10:17:39,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:17:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 323 states and 351 transitions. [2018-10-04 10:17:39,552 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 351 transitions. [2018-10-04 10:17:39,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-04 10:17:39,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:17:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:17:39,636 INFO L134 CoverageAnalysis]: Checked inductivity of 18048 backedges. 3094 proven. 12 refuted. 0 times theorem prover too weak. 14942 trivial. 0 not checked. [2018-10-04 10:17:40,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:17:40,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 325 states and 353 transitions. [2018-10-04 10:17:40,773 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 353 transitions. [2018-10-04 10:17:40,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-10-04 10:17:40,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:17:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:17:41,450 INFO L134 CoverageAnalysis]: Checked inductivity of 18312 backedges. 0 proven. 17788 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2018-10-04 10:17:42,286 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-10-04 10:17:43,808 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-10-04 10:17:44,461 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-10-04 10:17:45,961 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-10-04 10:17:46,621 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-10-04 10:17:48,115 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-10-04 10:17:48,565 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 21 [2018-10-04 10:17:48,941 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-04 10:17:50,617 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-04 10:17:51,618 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-10-04 10:17:52,886 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-10-04 10:17:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:17:52,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 335 states and 364 transitions. [2018-10-04 10:17:52,911 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 364 transitions. [2018-10-04 10:17:52,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-10-04 10:17:52,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:17:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:17:53,009 INFO L134 CoverageAnalysis]: Checked inductivity of 19444 backedges. 3220 proven. 12 refuted. 0 times theorem prover too weak. 16212 trivial. 0 not checked. [2018-10-04 10:17:54,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:17:54,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 337 states and 366 transitions. [2018-10-04 10:17:54,509 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 366 transitions. [2018-10-04 10:17:54,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-10-04 10:17:54,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:17:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:17:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 19718 backedges. 0 proven. 19174 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2018-10-04 10:17:56,033 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-04 10:17:57,631 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-04 10:17:58,325 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-04 10:18:00,059 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-04 10:18:00,780 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-04 10:18:02,350 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-04 10:18:03,136 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-10-04 10:18:04,896 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-04 10:18:06,016 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-10-04 10:18:07,329 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-10-04 10:18:07,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 347 states and 377 transitions. [2018-10-04 10:18:07,355 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 377 transitions. [2018-10-04 10:18:07,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-10-04 10:18:07,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:07,437 INFO L134 CoverageAnalysis]: Checked inductivity of 20892 backedges. 3346 proven. 12 refuted. 0 times theorem prover too weak. 17534 trivial. 0 not checked. [2018-10-04 10:18:08,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:08,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 349 states and 379 transitions. [2018-10-04 10:18:08,695 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 379 transitions. [2018-10-04 10:18:08,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-10-04 10:18:08,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:09,653 INFO L134 CoverageAnalysis]: Checked inductivity of 21176 backedges. 0 proven. 20612 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2018-10-04 10:18:10,568 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-04 10:18:12,216 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-04 10:18:12,968 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-04 10:18:14,671 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-04 10:18:15,416 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-04 10:18:17,081 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-04 10:18:17,887 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-10-04 10:18:19,802 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-10-04 10:18:20,922 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-10-04 10:18:22,341 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-10-04 10:18:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 359 states and 390 transitions. [2018-10-04 10:18:22,370 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 390 transitions. [2018-10-04 10:18:22,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-10-04 10:18:22,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 22392 backedges. 3472 proven. 12 refuted. 0 times theorem prover too weak. 18908 trivial. 0 not checked. [2018-10-04 10:18:23,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:23,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 361 states and 392 transitions. [2018-10-04 10:18:23,763 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 392 transitions. [2018-10-04 10:18:23,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-10-04 10:18:23,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:24,702 INFO L134 CoverageAnalysis]: Checked inductivity of 22686 backedges. 0 proven. 22102 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2018-10-04 10:18:25,812 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-10-04 10:18:27,580 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-04 10:18:28,381 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-10-04 10:18:30,187 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-04 10:18:30,984 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-10-04 10:18:32,763 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-04 10:18:33,624 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-10-04 10:18:35,523 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-10-04 10:18:36,683 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-10-04 10:18:38,146 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-10-04 10:18:38,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:38,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 371 states and 403 transitions. [2018-10-04 10:18:38,181 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 403 transitions. [2018-10-04 10:18:38,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-10-04 10:18:38,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:38,322 INFO L134 CoverageAnalysis]: Checked inductivity of 23944 backedges. 3598 proven. 12 refuted. 0 times theorem prover too weak. 20334 trivial. 0 not checked. [2018-10-04 10:18:39,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:39,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 373 states and 405 transitions. [2018-10-04 10:18:39,720 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 405 transitions. [2018-10-04 10:18:39,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-10-04 10:18:39,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:40,524 INFO L134 CoverageAnalysis]: Checked inductivity of 24248 backedges. 0 proven. 23644 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2018-10-04 10:18:41,546 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-10-04 10:18:43,373 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-10-04 10:18:44,196 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-10-04 10:18:46,128 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-10-04 10:18:46,962 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-10-04 10:18:48,779 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-10-04 10:18:49,696 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-10-04 10:18:51,957 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-10-04 10:18:53,166 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-10-04 10:18:54,750 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-10-04 10:18:54,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:54,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 383 states and 416 transitions. [2018-10-04 10:18:54,779 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 416 transitions. [2018-10-04 10:18:54,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-10-04 10:18:54,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:54,868 INFO L134 CoverageAnalysis]: Checked inductivity of 25548 backedges. 3724 proven. 12 refuted. 0 times theorem prover too weak. 21812 trivial. 0 not checked. [2018-10-04 10:18:56,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:56,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 385 states and 418 transitions. [2018-10-04 10:18:56,532 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 418 transitions. [2018-10-04 10:18:56,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-10-04 10:18:56,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-04 10:18:56,947 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-10-04 10:18:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:57,100 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:18:57,111 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-04 10:18:57,111 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 10:18:57,114 INFO L168 Benchmark]: Toolchain (without parser) took 253082.55 ms. Allocated memory was 1.6 GB in the beginning and 2.0 GB in the end (delta: 487.1 MB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -140.2 MB). Peak memory consumption was 346.9 MB. Max. memory is 7.1 GB. [2018-10-04 10:18:57,114 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:18:57,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.75 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:18:57,115 INFO L168 Benchmark]: Boogie Preprocessor took 17.56 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:18:57,116 INFO L168 Benchmark]: RCFGBuilder took 336.98 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 10:18:57,116 INFO L168 Benchmark]: CodeCheck took 252686.49 ms. Allocated memory was 1.6 GB in the beginning and 2.0 GB in the end (delta: 487.1 MB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -161.4 MB). Peak memory consumption was 325.7 MB. Max. memory is 7.1 GB. [2018-10-04 10:18:57,119 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 758 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.75 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 17.56 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 336.98 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 252686.49 ms. Allocated memory was 1.6 GB in the beginning and 2.0 GB in the end (delta: 487.1 MB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -161.4 MB). Peak memory consumption was 325.7 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/nested1.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_10-18-57-129.csv Completed graceful shutdown