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/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:12:13,624 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:12:13,626 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:12:13,638 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:12:13,638 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:12:13,639 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:12:13,641 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:12:13,642 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:12:13,644 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:12:13,645 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:12:13,646 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:12:13,646 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:12:13,647 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:12:13,648 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:12:13,650 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:12:13,650 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:12:13,651 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:12:13,653 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:12:13,655 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:12:13,657 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:12:13,658 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:12:13,659 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:12:13,662 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:12:13,662 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:12:13,662 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:12:13,663 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:12:13,664 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:12:13,665 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:12:13,666 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:12:13,667 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:12:13,668 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:12:13,668 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:12:13,669 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:12:13,669 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:12:13,670 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:12:13,671 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:12:13,671 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 [2018-09-26 22:12:13,688 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:12:13,688 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:12:13,689 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:12:13,689 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:12:13,693 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:12:13,693 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:12:13,694 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:12:13,694 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:12:13,694 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:12:13,694 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:12:13,696 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:12:13,696 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:12:13,696 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:12:13,696 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:12:13,696 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:12:13,697 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:12:13,697 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:12:13,697 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:12:13,697 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:12:13,698 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:12:13,699 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:12:13,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:12:13,699 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:12:13,699 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:12:13,699 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:12:13,700 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:12:13,700 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:12:13,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:12:13,700 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:12:13,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:12:13,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:12:13,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:12:13,803 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:12:13,804 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:12:13,804 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-09-26 22:12:13,805 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl' [2018-09-26 22:12:13,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:12:13,866 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:12:13,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:12:13,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:12:13,867 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:12:13,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:12:13" (1/1) ... [2018-09-26 22:12:13,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:12:13" (1/1) ... [2018-09-26 22:12:13,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:12:13,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:12:13,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:12:13,911 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:12:13,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:12:13" (1/1) ... [2018-09-26 22:12:13,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:12:13" (1/1) ... [2018-09-26 22:12:13,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:12:13" (1/1) ... [2018-09-26 22:12:13,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:12:13" (1/1) ... [2018-09-26 22:12:13,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:12:13" (1/1) ... [2018-09-26 22:12:13,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:12:13" (1/1) ... [2018-09-26 22:12:13,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:12:13" (1/1) ... [2018-09-26 22:12:13,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:12:13,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:12:13,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:12:13,933 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:12:13,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:12:13" (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 [2018-09-26 22:12:14,022 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 22:12:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:12:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:12:14,296 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:12:14,297 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:12:14 BoogieIcfgContainer [2018-09-26 22:12:14,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:12:14,298 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:12:14,298 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:12:14,310 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:12:14,311 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:12:14" (1/1) ... [2018-09-26 22:12:14,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:12:14,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-09-26 22:12:14,368 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-09-26 22:12:14,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 22:12:14,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:14,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:12:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:14,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-09-26 22:12:14,661 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-09-26 22:12:14,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:12:14,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:14,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:12:14,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:14,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-09-26 22:12:14,859 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-09-26 22:12:14,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:12:14,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:14,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:12:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:15,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-09-26 22:12:15,090 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-09-26 22:12:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:12:15,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-26 22:12:16,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:16,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-09-26 22:12:16,333 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-09-26 22:12:16,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:12:16,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:16,451 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-26 22:12:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:16,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-09-26 22:12:16,616 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-09-26 22:12:16,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:12:16,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:16,699 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-26 22:12:16,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:16,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-09-26 22:12:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-09-26 22:12:16,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:12:16,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-09-26 22:12:17,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:17,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-09-26 22:12:17,568 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-09-26 22:12:17,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:12:17,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:17,607 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-09-26 22:12:17,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:17,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-09-26 22:12:17,986 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-09-26 22:12:17,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:12:17,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:18,019 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-09-26 22:12:18,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:18,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-09-26 22:12:18,236 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-09-26 22:12:18,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 22:12:18,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:18,265 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-09-26 22:12:18,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:18,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-09-26 22:12:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-09-26 22:12:18,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:12:18,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:18,433 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-09-26 22:12:18,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:18,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-09-26 22:12:18,618 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-09-26 22:12:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 22:12:18,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:18,724 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-09-26 22:12:19,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:19,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-09-26 22:12:19,698 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-09-26 22:12:19,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 22:12:19,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:19,793 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 79 proven. 10 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-09-26 22:12:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2018-09-26 22:12:20,282 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-09-26 22:12:20,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:12:20,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:21,006 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-09-26 22:12:22,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:22,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2018-09-26 22:12:22,501 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-09-26 22:12:22,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:12:22,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:23,059 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 109 proven. 21 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-09-26 22:12:24,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:24,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2018-09-26 22:12:24,200 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2018-09-26 22:12:24,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:12:24,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:24,247 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 176 proven. 10 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-09-26 22:12:24,587 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-26 22:12:25,054 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-09-26 22:12:25,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2018-09-26 22:12:25,440 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-09-26 22:12:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-26 22:12:25,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:25,463 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 194 proven. 15 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-09-26 22:12:25,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:25,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-09-26 22:12:25,697 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-09-26 22:12:25,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:12:25,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 212 proven. 21 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-09-26 22:12:25,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:25,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2018-09-26 22:12:25,931 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-09-26 22:12:25,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 22:12:25,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:26,394 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-09-26 22:12:27,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:27,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2018-09-26 22:12:27,309 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-09-26 22:12:27,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 22:12:27,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:27,410 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 394 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-09-26 22:12:28,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:28,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2018-09-26 22:12:28,756 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2018-09-26 22:12:28,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-26 22:12:28,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 407 proven. 10 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-09-26 22:12:29,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:29,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2018-09-26 22:12:29,096 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-09-26 22:12:29,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:12:29,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:29,123 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 438 proven. 15 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-09-26 22:12:29,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:29,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2018-09-26 22:12:29,409 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2018-09-26 22:12:29,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-26 22:12:29,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 469 proven. 21 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-09-26 22:12:29,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:29,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2018-09-26 22:12:29,681 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2018-09-26 22:12:29,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:12:29,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:29,704 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 422 proven. 10 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-09-26 22:12:30,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:30,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2018-09-26 22:12:30,035 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-09-26 22:12:30,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-26 22:12:30,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 456 proven. 15 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-09-26 22:12:30,515 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-26 22:12:30,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2018-09-26 22:12:30,890 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-09-26 22:12:30,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:12:30,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:30,915 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 490 proven. 21 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-09-26 22:12:31,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:31,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2018-09-26 22:12:31,191 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2018-09-26 22:12:31,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-26 22:12:31,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 355 proven. 10 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-26 22:12:31,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:31,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2018-09-26 22:12:31,531 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2018-09-26 22:12:31,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:12:31,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:31,555 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 392 proven. 15 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-26 22:12:31,996 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-26 22:12:32,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:32,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2018-09-26 22:12:32,585 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2018-09-26 22:12:32,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-26 22:12:32,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:32,609 INFO L134 CoverageAnalysis]: Checked inductivity of 967 backedges. 429 proven. 21 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-26 22:12:33,094 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-26 22:12:33,571 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-09-26 22:12:33,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:33,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2018-09-26 22:12:33,718 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2018-09-26 22:12:33,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:12:33,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:33,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 206 proven. 10 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-09-26 22:12:33,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:33,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2018-09-26 22:12:33,971 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2018-09-26 22:12:33,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-26 22:12:33,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:33,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 246 proven. 15 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-09-26 22:12:34,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2018-09-26 22:12:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-09-26 22:12:34,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:12:34,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 286 proven. 21 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-09-26 22:12:35,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:35,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2018-09-26 22:12:35,579 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2018-09-26 22:12:35,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-26 22:12:35,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:35,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 0 proven. 981 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-09-26 22:12:38,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2018-09-26 22:12:38,050 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2018-09-26 22:12:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-26 22:12:38,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 391 proven. 28 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2018-09-26 22:12:38,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:38,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2018-09-26 22:12:38,530 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2018-09-26 22:12:38,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-26 22:12:38,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:38,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 764 proven. 28 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2018-09-26 22:12:39,020 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-26 22:12:39,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:39,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2018-09-26 22:12:39,238 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2018-09-26 22:12:39,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-26 22:12:39,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 991 proven. 28 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2018-09-26 22:12:39,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:39,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2018-09-26 22:12:39,914 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2018-09-26 22:12:39,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-26 22:12:39,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:39,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 1072 proven. 28 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2018-09-26 22:12:40,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:40,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2018-09-26 22:12:40,984 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2018-09-26 22:12:40,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 22:12:40,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:41,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 1007 proven. 28 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2018-09-26 22:12:41,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:41,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2018-09-26 22:12:41,391 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2018-09-26 22:12:41,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-26 22:12:41,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:41,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1858 backedges. 796 proven. 28 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-09-26 22:12:42,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:42,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2018-09-26 22:12:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2018-09-26 22:12:42,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-26 22:12:42,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 1675 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-09-26 22:12:45,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:45,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2018-09-26 22:12:45,014 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-09-26 22:12:45,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-26 22:12:45,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:45,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 942 proven. 28 refuted. 0 times theorem prover too weak. 1481 trivial. 0 not checked. [2018-09-26 22:12:45,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:45,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2018-09-26 22:12:45,367 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2018-09-26 22:12:45,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-26 22:12:45,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:45,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 512 proven. 28 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-09-26 22:12:46,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:46,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2018-09-26 22:12:46,665 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2018-09-26 22:12:46,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-26 22:12:46,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 575 proven. 36 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-09-26 22:12:47,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2018-09-26 22:12:47,363 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-09-26 22:12:47,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-26 22:12:47,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 638 proven. 45 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-09-26 22:12:47,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:47,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 86 states and 94 transitions. [2018-09-26 22:12:47,916 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2018-09-26 22:12:47,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-26 22:12:47,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2737 backedges. 1193 proven. 36 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-09-26 22:12:48,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:48,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2018-09-26 22:12:48,258 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2018-09-26 22:12:48,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-26 22:12:48,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2811 backedges. 1258 proven. 45 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-09-26 22:12:48,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 88 states and 95 transitions. [2018-09-26 22:12:48,663 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2018-09-26 22:12:48,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-26 22:12:48,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:48,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2886 backedges. 1611 proven. 36 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-09-26 22:12:49,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:49,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 89 states and 96 transitions. [2018-09-26 22:12:49,011 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2018-09-26 22:12:49,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-26 22:12:49,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:49,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2962 backedges. 1678 proven. 45 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-09-26 22:12:49,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:49,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2018-09-26 22:12:49,526 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2018-09-26 22:12:49,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-26 22:12:49,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:49,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3039 backedges. 1829 proven. 36 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-09-26 22:12:50,076 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-26 22:12:50,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:50,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2018-09-26 22:12:50,384 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2018-09-26 22:12:50,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 22:12:50,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3117 backedges. 1898 proven. 45 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-09-26 22:12:51,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:51,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 92 states and 97 transitions. [2018-09-26 22:12:51,129 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-09-26 22:12:51,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-26 22:12:51,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:54,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 2832 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-09-26 22:12:57,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:57,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2018-09-26 22:12:57,742 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2018-09-26 22:12:57,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-26 22:12:57,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:58,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 0 proven. 3561 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2018-09-26 22:13:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 112 states and 119 transitions. [2018-09-26 22:13:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2018-09-26 22:13:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-26 22:13:02,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:02,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4808 backedges. 0 proven. 4372 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2018-09-26 22:13:06,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:06,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 122 states and 130 transitions. [2018-09-26 22:13:06,071 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2018-09-26 22:13:06,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-09-26 22:13:06,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:06,930 INFO L134 CoverageAnalysis]: Checked inductivity of 5737 backedges. 0 proven. 5265 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2018-09-26 22:13:10,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:10,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 132 states and 141 transitions. [2018-09-26 22:13:10,543 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2018-09-26 22:13:10,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-26 22:13:10,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:10,579 INFO L134 CoverageAnalysis]: Checked inductivity of 6748 backedges. 3775 proven. 36 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-09-26 22:13:11,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:11,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 133 states and 142 transitions. [2018-09-26 22:13:11,335 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 142 transitions. [2018-09-26 22:13:11,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-26 22:13:11,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:11,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6864 backedges. 3882 proven. 45 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-09-26 22:13:11,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:11,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 134 states and 142 transitions. [2018-09-26 22:13:11,774 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2018-09-26 22:13:11,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-09-26 22:13:11,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:11,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6981 backedges. 3993 proven. 36 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-09-26 22:13:12,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:12,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 135 states and 143 transitions. [2018-09-26 22:13:12,327 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2018-09-26 22:13:12,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-26 22:13:12,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:12,360 INFO L134 CoverageAnalysis]: Checked inductivity of 7099 backedges. 4102 proven. 45 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-09-26 22:13:12,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:12,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 136 states and 143 transitions. [2018-09-26 22:13:12,882 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 143 transitions. [2018-09-26 22:13:12,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-09-26 22:13:12,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:12,914 INFO L134 CoverageAnalysis]: Checked inductivity of 7218 backedges. 4011 proven. 36 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-09-26 22:13:13,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:13,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 137 states and 144 transitions. [2018-09-26 22:13:13,414 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 144 transitions. [2018-09-26 22:13:13,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-26 22:13:13,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:13,442 INFO L134 CoverageAnalysis]: Checked inductivity of 7338 backedges. 4122 proven. 45 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-09-26 22:13:13,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:13,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 138 states and 144 transitions. [2018-09-26 22:13:13,920 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2018-09-26 22:13:13,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-09-26 22:13:13,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:13,954 INFO L134 CoverageAnalysis]: Checked inductivity of 7459 backedges. 3829 proven. 36 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-09-26 22:13:14,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:14,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 139 states and 145 transitions. [2018-09-26 22:13:14,393 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2018-09-26 22:13:14,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-26 22:13:14,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 7581 backedges. 3942 proven. 45 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-09-26 22:13:14,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:14,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 140 states and 145 transitions. [2018-09-26 22:13:14,999 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2018-09-26 22:13:15,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-09-26 22:13:15,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:15,026 INFO L134 CoverageAnalysis]: Checked inductivity of 7704 backedges. 3447 proven. 36 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-09-26 22:13:15,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:15,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 141 states and 146 transitions. [2018-09-26 22:13:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 146 transitions. [2018-09-26 22:13:15,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-26 22:13:15,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 7828 backedges. 3562 proven. 45 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-09-26 22:13:16,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:16,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 142 states and 146 transitions. [2018-09-26 22:13:16,088 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2018-09-26 22:13:16,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-09-26 22:13:16,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:16,123 INFO L134 CoverageAnalysis]: Checked inductivity of 7953 backedges. 2865 proven. 36 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-09-26 22:13:16,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:16,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 143 states and 147 transitions. [2018-09-26 22:13:16,764 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2018-09-26 22:13:16,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-09-26 22:13:16,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:16,799 INFO L134 CoverageAnalysis]: Checked inductivity of 8079 backedges. 2982 proven. 45 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-09-26 22:13:17,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:17,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 144 states and 147 transitions. [2018-09-26 22:13:17,482 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 147 transitions. [2018-09-26 22:13:17,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-09-26 22:13:17,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:17,513 INFO L134 CoverageAnalysis]: Checked inductivity of 8206 backedges. 2083 proven. 36 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-09-26 22:13:17,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:17,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 145 states and 148 transitions. [2018-09-26 22:13:17,943 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 148 transitions. [2018-09-26 22:13:17,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-26 22:13:17,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 8334 backedges. 2202 proven. 45 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-09-26 22:13:18,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:18,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 146 states and 148 transitions. [2018-09-26 22:13:18,563 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 148 transitions. [2018-09-26 22:13:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-26 22:13:18,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:18,598 INFO L134 CoverageAnalysis]: Checked inductivity of 8463 backedges. 1101 proven. 36 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-09-26 22:13:19,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:19,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 147 states and 149 transitions. [2018-09-26 22:13:19,057 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 149 transitions. [2018-09-26 22:13:19,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-09-26 22:13:19,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:19,086 INFO L134 CoverageAnalysis]: Checked inductivity of 8593 backedges. 1222 proven. 45 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-09-26 22:13:19,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:19,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 148 states and 149 transitions. [2018-09-26 22:13:19,517 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 149 transitions. [2018-09-26 22:13:19,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-09-26 22:13:19,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:19,877 INFO L134 CoverageAnalysis]: Checked inductivity of 8724 backedges. 0 proven. 8064 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2018-09-26 22:13:25,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:25,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 160 states and 161 transitions. [2018-09-26 22:13:25,075 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 161 transitions. [2018-09-26 22:13:25,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-09-26 22:13:25,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:25,307 INFO L134 CoverageAnalysis]: Checked inductivity of 10244 backedges. 0 proven. 9529 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2018-09-26 22:13:31,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:31,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 172 states and 173 transitions. [2018-09-26 22:13:31,063 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 173 transitions. [2018-09-26 22:13:31,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-09-26 22:13:31,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:31,342 INFO L134 CoverageAnalysis]: Checked inductivity of 11886 backedges. 0 proven. 11116 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2018-09-26 22:13:37,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:37,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 184 states and 185 transitions. [2018-09-26 22:13:37,650 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 185 transitions. [2018-09-26 22:13:37,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-09-26 22:13:37,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:38,001 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 12825 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2018-09-26 22:13:44,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 196 states and 197 transitions. [2018-09-26 22:13:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 197 transitions. [2018-09-26 22:13:44,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-09-26 22:13:44,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:44,886 INFO L134 CoverageAnalysis]: Checked inductivity of 15536 backedges. 0 proven. 14656 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2018-09-26 22:13:51,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:51,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 208 states and 209 transitions. [2018-09-26 22:13:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2018-09-26 22:13:51,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-09-26 22:13:51,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:13:52,387 INFO L134 CoverageAnalysis]: Checked inductivity of 17544 backedges. 0 proven. 16609 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2018-09-26 22:13:59,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:13:59,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 220 states and 221 transitions. [2018-09-26 22:13:59,644 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 221 transitions. [2018-09-26 22:13:59,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-09-26 22:13:59,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:13:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:14:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 19674 backedges. 0 proven. 18684 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2018-09-26 22:14:08,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:14:08,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 232 states and 233 transitions. [2018-09-26 22:14:08,632 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 233 transitions. [2018-09-26 22:14:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-09-26 22:14:08,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:14:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:14:09,037 INFO L134 CoverageAnalysis]: Checked inductivity of 21926 backedges. 0 proven. 20881 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2018-09-26 22:14:16,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:14:16,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 244 states and 245 transitions. [2018-09-26 22:14:16,967 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 245 transitions. [2018-09-26 22:14:16,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-09-26 22:14:16,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:14:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:14:17,990 INFO L134 CoverageAnalysis]: Checked inductivity of 24300 backedges. 0 proven. 23200 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2018-09-26 22:14:26,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:14:26,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 256 states and 257 transitions. [2018-09-26 22:14:26,510 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 257 transitions. [2018-09-26 22:14:26,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-09-26 22:14:26,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:14:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:14:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 25641 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2018-09-26 22:14:36,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:14:36,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 268 states and 269 transitions. [2018-09-26 22:14:36,354 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 269 transitions. [2018-09-26 22:14:36,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-09-26 22:14:36,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:14:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:14:36,813 INFO L134 CoverageAnalysis]: Checked inductivity of 29414 backedges. 0 proven. 28204 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2018-09-26 22:14:46,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:14:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 280 states and 281 transitions. [2018-09-26 22:14:46,135 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 281 transitions. [2018-09-26 22:14:46,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-09-26 22:14:46,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:14:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:14:46,629 INFO L134 CoverageAnalysis]: Checked inductivity of 32154 backedges. 0 proven. 30889 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2018-09-26 22:14:56,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:14:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 292 states and 293 transitions. [2018-09-26 22:14:56,469 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 293 transitions. [2018-09-26 22:14:56,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-09-26 22:14:56,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:14:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:14:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 35016 backedges. 0 proven. 33696 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2018-09-26 22:15:07,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:15:07,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 304 states and 305 transitions. [2018-09-26 22:15:07,310 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 305 transitions. [2018-09-26 22:15:07,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-09-26 22:15:07,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:15:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:15:08,058 INFO L134 CoverageAnalysis]: Checked inductivity of 38000 backedges. 0 proven. 36625 refuted. 0 times theorem prover too weak. 1375 trivial. 0 not checked. [2018-09-26 22:15:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:15:18,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 316 states and 317 transitions. [2018-09-26 22:15:18,558 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 317 transitions. [2018-09-26 22:15:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-09-26 22:15:18,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:15:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:15:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 41106 backedges. 0 proven. 39676 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2018-09-26 22:15:30,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:15:30,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 328 states and 329 transitions. [2018-09-26 22:15:30,716 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 329 transitions. [2018-09-26 22:15:30,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-09-26 22:15:30,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:15:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:15:31,446 INFO L134 CoverageAnalysis]: Checked inductivity of 44334 backedges. 0 proven. 42849 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2018-09-26 22:15:42,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:15:42,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 340 states and 341 transitions. [2018-09-26 22:15:42,985 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 341 transitions. [2018-09-26 22:15:42,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-09-26 22:15:42,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:15:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:15:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 47684 backedges. 0 proven. 46144 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2018-09-26 22:15:55,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:15:55,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 352 states and 353 transitions. [2018-09-26 22:15:55,715 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 353 transitions. [2018-09-26 22:15:55,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-09-26 22:15:55,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:15:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:15:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 51156 backedges. 0 proven. 49561 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2018-09-26 22:16:09,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:09,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 364 states and 365 transitions. [2018-09-26 22:16:09,064 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 365 transitions. [2018-09-26 22:16:09,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-09-26 22:16:09,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 54750 backedges. 0 proven. 53100 refuted. 0 times theorem prover too weak. 1650 trivial. 0 not checked. Received shutdown request... [2018-09-26 22:16:11,648 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-26 22:16:11,651 INFO L168 Benchmark]: Toolchain (without parser) took 237787.89 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -542.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-26 22:16:11,653 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:16:11,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.92 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:16:11,653 INFO L168 Benchmark]: Boogie Preprocessor took 21.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:16:11,654 INFO L168 Benchmark]: RCFGBuilder took 364.87 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 22:16:11,654 INFO L168 Benchmark]: CodeCheck took 237352.53 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -563.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-26 22:16:11,659 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1457 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.92 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 364.87 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 237352.53 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -563.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_22-16-11-671.csv Completed graceful shutdown