java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/toy/nonlinear/Power3-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-bd42740 [2018-09-23 22:17:04,808 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 22:17:04,810 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 22:17:04,822 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 22:17:04,823 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 22:17:04,824 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 22:17:04,825 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 22:17:04,827 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 22:17:04,829 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 22:17:04,829 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 22:17:04,830 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 22:17:04,831 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 22:17:04,832 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 22:17:04,837 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 22:17:04,838 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 22:17:04,842 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 22:17:04,843 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 22:17:04,847 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 22:17:04,849 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 22:17:04,854 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 22:17:04,855 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 22:17:04,857 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 22:17:04,863 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 22:17:04,864 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 22:17:04,864 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 22:17:04,865 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 22:17:04,866 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 22:17:04,870 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 22:17:04,870 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 22:17:04,871 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 22:17:04,872 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 22:17:04,872 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 22:17:04,875 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 22:17:04,876 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 22:17:04,877 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 22:17:04,879 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 22:17:04,879 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-23 22:17:04,903 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 22:17:04,904 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 22:17:04,905 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 22:17:04,905 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 22:17:04,906 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 22:17:04,907 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 22:17:04,907 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 22:17:04,907 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 22:17:04,907 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 22:17:04,907 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 22:17:04,908 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 22:17:04,908 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 22:17:04,908 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 22:17:04,908 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 22:17:04,908 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 22:17:04,909 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 22:17:04,909 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 22:17:04,909 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-23 22:17:04,909 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-23 22:17:04,910 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 22:17:04,911 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 22:17:04,911 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 22:17:04,911 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 22:17:04,911 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 22:17:04,911 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 22:17:04,912 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-23 22:17:04,912 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 22:17:04,912 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 22:17:04,912 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 22:17:04,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 22:17:04,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 22:17:05,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 22:17:05,005 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 22:17:05,006 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 22:17:05,007 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Power3-Safe.bpl [2018-09-23 22:17:05,007 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Power3-Safe.bpl' [2018-09-23 22:17:05,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 22:17:05,053 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 22:17:05,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 22:17:05,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 22:17:05,054 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 22:17:05,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:17:05" (1/1) ... [2018-09-23 22:17:05,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:17:05" (1/1) ... [2018-09-23 22:17:05,090 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-23 22:17:05,090 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-23 22:17:05,090 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-23 22:17:05,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 22:17:05,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 22:17:05,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 22:17:05,094 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 22:17:05,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:17:05" (1/1) ... [2018-09-23 22:17:05,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:17:05" (1/1) ... [2018-09-23 22:17:05,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:17:05" (1/1) ... [2018-09-23 22:17:05,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:17:05" (1/1) ... [2018-09-23 22:17:05,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:17:05" (1/1) ... [2018-09-23 22:17:05,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:17:05" (1/1) ... [2018-09-23 22:17:05,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:17:05" (1/1) ... [2018-09-23 22:17:05,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 22:17:05,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 22:17:05,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 22:17:05,116 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 22:17:05,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:17:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 22:17:05,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure power given in one single declaration [2018-09-23 22:17:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure power [2018-09-23 22:17:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure power [2018-09-23 22:17:05,247 WARN L614 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-09-23 22:17:05,413 INFO L351 CfgBuilder]: Using library mode [2018-09-23 22:17:05,413 INFO L202 PluginConnector]: Adding new model Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 10:17:05 BoogieIcfgContainer [2018-09-23 22:17:05,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 22:17:05,414 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-23 22:17:05,414 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-23 22:17:05,423 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-23 22:17:05,423 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 10:17:05" (1/1) ... [2018-09-23 22:17:05,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 22:17:05,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:05,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-23 22:17:05,472 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-23 22:17:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-23 22:17:05,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:05,574 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:05,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-09-23 22:17:05,983 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-09-23 22:17:05,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-23 22:17:05,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:06,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:06,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:07,314 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2018-09-23 22:17:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:07,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 10 states and 18 transitions. [2018-09-23 22:17:07,609 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 18 transitions. [2018-09-23 22:17:07,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:07,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:07,635 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:07,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:08,794 WARN L178 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-09-23 22:17:09,049 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-23 22:17:29,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:29,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:29,478 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:29,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:29,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:29,490 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:29,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:29,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:29,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:29,617 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:29,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:29,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:29,638 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:29,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:29,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:30,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:30,000 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:30,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:30,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:30,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:30,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:30,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:30,168 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:30,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:30,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:30,179 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:30,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:30,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:30,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:30,371 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:30,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:30,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:30,394 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:30,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:30,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:30,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:30,480 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:30,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:30,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:30,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:32,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:32,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:32,153 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:32,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:32,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:32,168 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:32,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:32,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:32,418 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:32,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:32,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:32,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:32,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:32,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:32,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:32,574 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:32,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:32,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:32,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:35,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:35,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:35,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:35,149 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:35,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:35,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:35,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:35,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:35,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:35,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:35,239 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:35,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:35,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:35,250 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:35,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:35,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:35,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:35,302 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:35,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:35,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:35,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:35,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:35,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:35,395 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:35,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:35,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:35,404 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:35,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:35,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:35,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:35,547 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:35,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:35,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:35,555 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:37,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:37,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:37,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:37,532 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:37,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:37,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:37,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:40,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:40,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:40,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:40,347 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:40,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:40,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:40,354 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:50,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:50,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:50,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:50,811 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:50,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:50,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:50,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:51,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:51,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:51,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:51,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:51,062 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:52,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:52,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:52,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:52,075 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:52,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:52,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:52,088 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:52,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:52,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:52,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:52,148 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:52,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:52,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:52,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:52,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:52,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:52,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:52,296 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:52,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:52,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:52,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:52,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:52,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:52,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:52,385 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:52,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:52,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:52,393 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:52,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:52,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:52,605 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:52,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:52,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:52,614 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:53,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:53,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:53,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:53,065 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:53,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:53,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:53,083 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:53,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:53,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:53,136 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:53,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:53,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:53,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:53,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:53,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:53,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:53,291 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:53,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:53,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:53,298 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:54,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:54,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:54,184 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:54,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:54,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:54,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:54,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:54,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:54,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:54,353 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:54,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:54,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:54,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:54,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:54,517 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:54,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:54,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:54,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:54,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:54,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:54,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:54,615 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:54,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:54,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:54,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:54,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:54,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:54,919 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:54,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:54,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:54,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:54,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:55,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:55,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:55,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:55,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:55,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:55,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:55,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:55,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:55,105 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:55,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:55,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:55,138 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:55,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:55,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:55,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:55,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:55,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:55,718 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:55,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:55,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:55,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:55,802 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:55,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:55,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:55,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:55,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:55,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:55,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:55,967 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:55,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:55,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:55,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:56,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:56,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:56,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:56,104 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:56,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:56,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:56,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:56,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:56,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:56,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:56,210 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:56,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:56,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:56,218 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:56,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:56,279 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:56,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:56,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:56,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:56,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:56,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:56,378 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:56,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:56,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:56,401 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:56,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:56,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:56,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:56,445 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:56,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:56,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:56,452 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:56,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:56,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:56,627 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:56,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:56,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:56,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:17:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:56,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:56,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:17:56,717 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:17:56,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:17:56,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:56,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:06,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:06,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:06,807 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:06,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:06,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:06,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:06,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:06,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:06,921 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:06,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:06,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:06,932 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:07,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:07,027 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:07,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:07,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:07,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:08,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:08,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:08,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:08,560 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:08,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:08,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:08,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:08,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:08,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:08,662 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:08,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:08,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:08,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:08,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:08,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:08,904 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:08,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:08,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:08,917 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:09,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:09,037 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:09,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:09,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:09,042 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:09,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:09,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:09,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:09,447 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:09,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:09,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:09,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:09,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:09,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:09,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:09,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:16,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:16,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:16,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:16,189 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:16,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:16,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:16,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:16,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:16,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:16,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:16,235 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:16,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:16,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:16,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:28,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:28,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:28,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:28,506 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:28,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:28,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:28,518 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:28,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:28,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:28,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:28,609 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:28,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:28,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:28,627 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:28,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:28,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:28,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:28,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:28,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:28,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:28,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:28,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:28,807 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:28,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:28,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:28,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:29,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:29,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:29,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:29,029 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:29,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:29,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:29,033 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:29,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:29,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:29,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:29,113 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:29,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:29,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:29,118 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:29,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:29,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:29,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:29,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:29,175 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:29,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:29,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:29,208 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:29,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:29,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:29,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:29,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:29,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:29,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:29,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:29,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:29,276 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:29,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:29,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:29,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:29,374 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:29,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:29,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:29,390 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:29,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:29,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:29,449 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:29,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:29,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:29,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:29,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:29,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:29,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:29,587 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:29,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:29,592 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:29,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:29,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:29,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:29,654 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:29,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:29,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:29,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:29,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:29,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:29,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:29,848 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:29,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:29,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:29,855 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:29,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:29,924 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:29,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:29,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:29,943 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:40,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:40,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:40,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:40,193 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:40,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:40,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:40,199 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:40,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:40,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:40,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:40,425 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:40,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:40,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:40,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:40,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:40,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:40,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:40,512 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:40,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:40,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:40,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:40,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:40,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:40,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:40,593 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:40,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:40,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:40,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:40,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:40,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:40,635 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:40,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:40,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:40,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:40,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:40,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:40,685 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:40,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:40,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:40,690 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:40,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:40,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:40,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:40,762 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:40,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:40,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:40,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:40,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:40,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:40,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:40,959 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:40,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:40,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:40,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:41,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:41,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:41,091 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:41,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:41,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:41,097 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:41,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:41,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:41,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:41,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:41,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:42,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:42,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:42,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:42,520 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:42,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:42,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:42,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:42,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:42,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:42,629 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:42,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:42,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:42,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:43,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:43,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:43,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:43,986 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:43,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:43,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:43,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:45,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:45,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:45,064 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:45,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:45,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:45,070 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:45,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:45,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:45,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:45,202 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:45,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:45,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:45,207 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:45,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:45,275 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:45,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:45,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:45,280 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:45,349 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:45,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:45,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:45,352 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:45,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:45,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:45,358 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:45,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:45,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:45,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:45,539 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:45,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:45,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:45,549 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:45,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:45,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:45,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:45,640 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:45,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:45,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:45,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:48,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:48,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:48,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:48,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:48,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:48,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:48,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:48,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:48,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:48,877 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:48,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:48,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:48,882 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:48,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:48,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:48,960 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:48,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:48,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:48,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:49,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:49,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:49,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:49,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:49,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:49,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:49,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:49,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:49,691 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:49,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:49,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:49,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:49,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:49,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:49,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:49,753 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:49,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:49,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:49,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:49,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:49,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:49,832 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:49,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:49,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:49,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:49,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:49,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:49,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:49,935 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:49,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:49,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:49,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:50,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:50,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:50,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:50,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:50,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:50,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:50,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:50,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:50,091 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:50,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:50,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:50,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:50,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:50,188 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:50,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:50,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:50,202 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:50,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:50,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:50,289 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:50,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:50,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:50,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:50,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:50,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:50,339 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:50,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:50,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:50,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:50,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:50,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:50,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:50,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:50,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:50,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:50,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:50,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:50,445 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:50,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:50,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:50,465 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:50,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:50,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:50,579 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:50,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:50,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:50,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:18:50,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:50,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:50,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:18:50,677 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:18:50,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:18:50,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:50,684 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:00,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:00,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:00,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:00,737 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:00,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:00,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:00,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:00,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:00,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:00,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:00,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:00,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:00,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:00,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:00,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:00,885 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:00,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:00,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:00,901 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:01,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:01,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:01,313 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:01,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:01,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:01,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:01,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:01,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:01,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:01,362 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:01,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:01,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:01,367 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:01,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:01,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:01,404 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:01,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:01,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:01,410 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:01,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:01,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:01,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:01,954 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:01,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:01,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:01,961 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:02,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:02,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:02,006 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:02,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:02,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:02,012 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:02,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:02,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:02,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:02,110 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:02,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:02,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:02,116 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:02,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:02,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:02,174 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:02,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:02,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:02,179 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:02,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:02,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:02,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:02,246 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:02,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:02,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:02,251 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:02,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:02,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:02,329 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:02,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:02,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:06,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:06,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:06,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:06,335 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:06,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:06,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:06,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:06,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:06,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:06,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:06,440 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:06,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:06,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:06,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:06,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:06,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:06,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:06,506 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:06,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:06,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:06,511 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:06,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:06,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:06,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:06,632 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:06,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:06,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:06,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:06,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:06,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:06,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:06,733 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:06,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:06,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:06,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:06,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:06,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:06,806 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:06,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:06,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:06,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:06,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:06,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:06,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:06,856 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:06,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:06,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:06,862 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:06,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:06,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:06,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:06,908 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:06,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:06,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:06,915 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:06,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:06,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:06,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:06,981 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:06,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:06,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:06,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:07,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:07,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:07,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:07,510 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:07,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:07,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:07,515 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:07,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:07,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:07,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:07,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:07,666 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:07,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:07,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:07,741 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:07,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:07,748 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:07,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:07,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:07,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:07,777 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:07,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:07,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:07,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:07,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:07,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:07,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:07,919 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:07,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:07,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:07,924 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:08,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:08,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:08,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:08,153 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:08,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:08,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:08,159 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:08,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:08,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:08,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:08,245 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:08,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:08,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:08,251 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:08,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:08,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:08,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:08,316 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:08,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:08,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:08,322 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:08,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:08,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:08,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:08,367 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:08,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:08,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:08,373 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:09,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:09,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:09,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:09,106 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:09,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:09,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:09,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:09,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:09,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:09,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:09,396 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:09,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:09,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:09,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:19,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:19,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:19,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:19,465 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:19,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:19,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:19,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:28,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:28,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:28,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:28,162 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:28,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:28,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:28,169 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:28,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:28,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:28,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:28,210 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:28,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:28,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:28,216 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:28,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:28,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:28,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:28,302 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:28,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:28,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:28,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:28,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:28,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:28,413 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:28,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:28,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:28,417 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:28,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:28,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:28,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:28,456 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:28,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:28,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:28,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:28,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:28,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:28,576 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:28,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:28,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:28,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:28,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:28,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:28,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:28,658 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:28,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:28,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:28,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:28,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:28,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:28,781 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:28,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:28,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:28,786 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:28,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:28,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:28,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:28,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:28,830 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:28,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:28,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:28,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:28,905 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:28,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:28,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:28,910 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:28,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:28,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:28,970 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:28,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:28,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:28,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:39,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:39,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:39,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:39,046 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:39,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:39,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:39,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:39,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:39,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:39,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:39,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:39,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:39,172 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:39,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:39,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:39,454 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:39,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:39,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:39,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:39,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:39,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:39,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:39,495 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:39,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:39,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:39,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:39,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:39,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:39,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:39,561 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:39,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:39,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:39,565 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:39,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:39,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:39,757 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:39,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:39,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:39,762 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:39,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:39,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:39,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:39,875 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:39,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:39,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:39,880 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:39,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:39,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:39,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:39,938 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:39,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:39,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:39,951 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:40,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:40,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:40,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:40,026 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:40,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:40,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:40,031 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:40,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:40,128 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:40,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:40,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:40,132 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:40,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:40,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:40,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:40,199 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:40,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:40,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:40,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:41,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:41,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:41,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:41,644 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:41,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:41,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:41,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:41,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:41,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:41,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:41,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:41,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:41,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:41,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:41,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:41,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:41,768 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:41,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:41,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:41,772 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:41,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:42,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:42,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:42,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:42,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:42,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:42,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:42,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:42,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:42,107 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:42,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:42,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:42,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:42,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:42,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:42,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:42,140 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:42,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:42,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:42,145 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:42,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:42,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:42,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:42,207 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:42,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:42,212 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:42,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:42,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:42,346 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:42,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:42,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:42,352 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:42,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:42,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:42,485 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:42,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:42,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:42,491 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:42,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:42,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:42,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:42,715 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:42,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:42,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:42,719 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:52,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:52,763 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:52,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:52,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:52,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:53,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:53,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:53,003 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:53,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:53,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:53,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:53,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:53,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:53,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:53,310 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:53,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:53,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:53,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:53,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:53,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:53,390 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:53,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:53,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:53,394 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:53,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:53,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:53,835 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:53,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:53,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:53,839 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:53,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:53,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:53,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:53,894 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:53,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:53,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:53,901 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:53,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:53,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:53,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:53,950 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:53,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:53,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:53,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:54,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:54,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:54,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:54,036 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:54,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:54,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:54,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:54,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:54,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:54,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:54,233 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:54,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:54,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:54,237 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:54,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:54,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:54,311 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:54,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:54,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:54,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:54,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:54,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:54,417 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:54,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:54,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:54,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:54,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:54,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:54,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:54,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:54,518 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:54,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:54,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:54,643 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:54,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:54,647 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:54,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:54,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:54,719 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:54,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:54,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:54,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:54,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:54,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:54,809 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:54,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:54,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:54,814 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:54,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:54,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:54,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:54,854 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:54,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:54,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:54,871 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:54,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:54,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:54,901 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:54,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:54,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:54,905 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:54,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:54,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:54,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:54,951 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:54,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:54,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:54,956 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:55,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:55,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:55,004 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:55,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:55,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:55,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:55,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:55,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:55,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:55,065 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:55,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:55,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:55,070 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:55,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:55,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:55,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:55,330 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:55,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:55,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:55,335 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:55,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:55,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:55,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:55,404 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:55,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:55,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:55,408 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:55,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:55,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:55,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:55,481 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:55,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:55,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:55,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:55,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:55,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:55,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:55,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:55,593 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:56,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:56,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:56,206 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:56,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:56,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:56,212 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:56,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:56,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:56,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:56,308 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:56,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:56,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:56,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:56,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:56,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:56,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:56,357 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:56,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:56,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:56,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:56,473 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:56,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:56,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:56,476 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:56,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:56,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:56,487 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:56,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:56,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:56,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:56,516 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:56,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:56,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:56,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:56,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:56,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:56,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:56,565 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:56,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:56,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:56,571 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:56,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:56,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:56,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:56,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:56,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:56,603 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:56,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:56,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:56,658 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:56,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:56,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:56,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:56,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:56,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:56,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:56,768 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:56,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:56,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:56,778 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:56,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:56,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:56,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:56,842 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:56,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:56,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:56,847 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:56,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:56,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:56,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:56,921 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:56,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:56,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:56,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:57,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:57,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:57,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:57,041 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:57,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:57,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:57,056 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:57,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:57,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:57,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:57,134 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:57,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:57,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:57,140 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:57,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:57,167 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:57,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:57,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:57,172 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:59,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:59,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:59,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:59,009 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:59,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:59,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:59,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:59,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:59,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:59,083 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:59,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:59,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:59,087 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:59,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:59,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:59,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:59,113 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:59,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:59,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:59,131 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:59,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:59,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:59,163 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:59,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:59,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:59,168 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:59,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:59,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:59,268 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:59,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:59,285 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:59,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:59,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:59,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:59,370 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:59,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:59,376 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:59,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:59,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:59,418 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:59,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:59,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:59,424 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:59,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:59,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:59,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:59,508 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:59,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:59,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:59,528 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:59,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:59,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:59,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:59,613 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:59,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:59,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:59,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:59,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:59,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:59,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:59,702 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:59,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:59,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:59,707 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:59,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:59,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:59,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:59,764 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:59,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:59,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:59,778 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:59,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:59,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:59,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:59,803 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:59,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:59,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:59,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:59,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:59,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:59,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:59,885 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:59,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:59,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:59,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:19:59,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:59,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:59,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:19:59,927 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:19:59,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:19:59,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:59,931 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:00,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:00,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:00,013 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:00,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:00,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:00,032 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:00,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:00,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:00,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:00,250 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:00,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:00,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:00,255 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:00,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:00,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:00,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:00,320 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:00,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:00,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:00,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:00,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:00,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:00,389 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:00,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:00,394 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:00,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:00,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:00,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:00,433 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:00,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:00,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:00,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:00,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:00,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:00,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:00,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:00,634 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:00,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:00,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:00,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:00,749 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:00,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:00,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:00,768 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:00,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:00,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:00,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:00,817 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:00,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:00,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:00,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:00,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:00,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:00,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:00,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:00,900 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:00,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:00,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:00,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:00,994 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:00,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:00,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:01,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:01,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:01,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:01,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:01,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:01,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:01,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:01,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:01,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:01,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:01,102 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:01,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:01,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:01,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:01,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:01,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:01,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:01,340 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:01,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:01,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:01,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:01,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:01,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:01,401 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:01,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:01,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:01,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:01,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:01,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:01,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:01,436 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:01,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:01,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:01,440 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:01,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:01,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:01,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:01,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:01,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:01,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:01,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:01,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:01,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:01,567 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:01,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:01,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:01,571 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:01,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:01,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:01,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:01,626 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:01,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:01,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:01,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:01,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:01,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:01,681 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:01,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:01,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:01,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:01,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:01,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:01,742 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:01,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:01,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:01,745 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:01,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:01,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:01,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:01,804 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:01,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:01,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:01,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:01,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:01,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:01,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:01,881 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:01,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:01,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:01,885 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:01,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:01,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:01,930 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:01,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:01,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:02,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:02,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:02,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:02,013 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:02,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:02,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:02,017 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:02,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:02,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:02,136 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:02,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:02,156 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:02,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:02,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:02,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:02,860 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:02,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:02,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:02,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:12,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:12,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:12,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:12,909 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:12,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:12,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:12,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:12,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:12,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:12,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:12,966 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:12,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:12,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:12,973 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:13,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:13,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:13,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:13,090 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:13,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:13,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:13,094 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:13,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:13,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:13,493 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:13,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:13,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:13,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:13,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:13,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:13,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:13,563 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:13,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:13,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:13,577 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:13,957 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:13,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:13,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:13,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:14,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:14,437 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:14,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:14,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:14,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:14,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:14,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:14,562 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:14,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:14,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:14,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:14,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:14,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:14,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:14,627 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:14,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:14,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:14,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:14,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:14,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:14,688 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:14,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:14,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:14,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:23,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:23,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:23,448 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:23,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:23,452 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:23,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:23,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:23,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:23,481 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:23,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:23,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:23,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:33,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:33,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:33,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:33,539 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:33,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:33,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:33,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:33,606 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:33,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:33,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:33,610 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:43,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:43,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:43,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:43,686 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:43,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:43,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:43,690 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:43,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:43,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:43,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:43,760 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:43,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:43,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:43,765 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:43,833 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:43,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:43,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:43,836 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:43,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:43,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:43,841 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:43,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:43,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:43,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:43,869 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:43,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:43,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:43,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:43,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:43,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:43,999 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:43,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:43,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:44,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:44,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:44,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:44,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:44,146 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:44,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:44,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:44,150 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:44,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:44,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:44,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:44,187 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:44,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:44,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:44,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:44,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:44,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:44,250 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:44,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:44,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:44,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:44,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:44,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:44,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:44,320 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:44,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:44,325 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:44,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:44,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:44,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:44,355 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:44,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:44,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:44,359 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:44,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:44,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:44,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:44,467 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:44,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:44,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:44,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:44,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:44,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:44,500 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:44,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:44,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:44,504 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:44,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:44,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:44,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:44,548 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:44,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:44,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:44,552 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:44,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:44,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:44,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:44,612 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:44,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:44,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:44,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:45,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:45,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:45,506 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:45,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:45,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:45,510 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:45,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:45,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:45,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:45,551 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:45,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:45,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:45,555 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:45,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:45,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:45,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:45,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:45,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:45,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:45,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:45,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:45,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:45,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:45,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:45,845 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:45,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:45,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:45,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:45,889 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:45,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:45,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:45,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:45,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:45,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:45,954 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:45,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:45,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:45,958 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:46,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:46,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:46,064 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:46,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:46,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:46,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:46,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:46,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:46,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:46,122 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:46,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:46,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:46,128 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:46,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:46,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:46,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:46,187 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:46,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:46,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:46,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:46,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:46,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:46,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:46,285 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:46,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:46,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:46,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:46,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:46,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:46,333 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:46,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:46,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:46,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:47,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:47,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:47,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:47,281 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:47,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:47,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:47,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:47,325 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:47,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:47,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:47,328 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:47,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:47,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:47,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:47,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:47,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:47,365 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:47,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:47,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:47,370 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:47,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:47,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:47,433 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:47,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:47,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:47,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:47,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:47,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:47,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:47,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:47,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:47,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:47,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:47,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:47,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:47,536 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:47,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:47,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:47,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:47,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:47,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:47,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:47,579 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:47,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:47,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:47,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:47,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:47,682 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:47,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:47,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:47,686 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:47,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:47,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:47,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:47,752 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:47,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:47,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:47,760 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:47,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:47,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:47,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:47,878 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:47,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:47,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:47,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:47,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:47,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:47,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:47,931 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:47,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:47,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:47,981 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:47,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:47,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:47,986 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:48,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:48,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:48,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:48,032 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:48,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:48,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:48,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:48,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:48,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:48,098 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:48,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:48,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:48,105 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:48,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:48,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:48,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:48,143 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:48,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:48,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:48,151 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:48,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:48,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:48,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:48,211 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:48,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:48,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:48,215 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:48,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:48,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:48,301 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:48,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:48,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:48,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:48,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:48,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:48,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:48,376 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:48,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:48,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:48,381 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:20:58,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:58,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:58,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:20:58,413 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:20:58,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:20:58,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:58,418 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:08,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:08,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:08,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:08,448 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:08,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:08,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:08,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:08,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:08,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:08,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:08,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:08,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:08,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:08,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:08,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:08,519 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:08,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:08,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:08,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:08,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:08,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:08,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:08,638 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:08,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:08,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:08,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:08,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:08,711 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:08,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:08,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:08,715 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:09,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:09,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:09,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:09,441 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:09,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:09,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:09,447 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:09,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:09,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:09,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:09,516 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:09,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:09,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:09,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:09,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:09,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:09,697 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:09,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:09,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:09,702 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:09,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:09,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:09,729 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:09,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:09,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:09,733 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:09,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:09,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:09,782 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:09,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:09,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:09,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:09,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:09,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:09,850 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:09,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:09,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:09,859 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:19,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:19,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:19,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:19,886 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:19,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:19,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:19,891 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:20,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:20,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:20,009 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:20,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:20,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:20,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:20,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:20,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:20,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:20,043 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:20,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:20,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:20,048 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:20,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:20,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:20,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:20,184 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:20,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:20,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:20,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:20,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:20,273 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:20,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:20,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:20,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:20,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:20,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:20,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:20,385 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:20,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:20,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:20,390 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:20,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:20,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:20,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:20,956 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:20,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:20,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:20,960 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:21,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:21,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:21,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:21,036 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:21,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:21,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:21,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:21,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:21,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:21,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:21,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:21,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:21,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:21,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:21,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:21,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:21,131 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:21,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:21,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:21,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:21,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:21,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:21,218 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:21,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:21,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:21,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:21,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:21,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:21,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:21,275 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:21,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:21,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:21,279 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:21,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:21,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:21,420 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:21,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:21,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:21,425 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:21,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:21,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:21,458 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:21,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:21,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:21,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:21,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:21,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:21,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:21,568 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:21,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:21,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:21,572 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:21,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:21,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:21,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:21,621 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:21,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:21,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:21,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:21,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:21,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:21,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:21,787 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:21,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:21,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:21,791 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:21,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:21,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:21,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:21,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:21,946 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:22,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:22,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:22,005 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:22,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:22,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:22,008 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:22,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:22,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:22,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:22,082 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:22,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:22,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:22,086 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:22,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:22,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:22,227 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:22,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:22,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:22,235 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:22,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:22,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:22,388 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:22,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:22,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:22,401 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:22,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:22,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:22,442 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:22,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:22,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:22,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:22,528 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:22,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:22,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:22,531 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:22,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:22,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:22,536 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:22,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:22,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:22,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:22,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:22,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:32,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:32,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:32,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:32,780 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:32,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:32,784 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:32,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:32,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:32,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:32,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:32,885 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:32,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:32,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:32,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:32,953 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:32,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:32,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:32,957 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:33,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:33,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:33,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:33,828 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:33,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:33,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:33,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 22:21:43,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:21:43,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:21:43,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 12 states and 26 transitions. [2018-09-23 22:21:43,873 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 26 transitions. [2018-09-23 22:21:43,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:21:43,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:21:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:21:43,877 INFO L273 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown