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-c372c2b [2018-10-02 12:35:07,682 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 12:35:07,686 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 12:35:07,706 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 12:35:07,706 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 12:35:07,708 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 12:35:07,709 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 12:35:07,712 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 12:35:07,714 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 12:35:07,717 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 12:35:07,719 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 12:35:07,719 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 12:35:07,720 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 12:35:07,721 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 12:35:07,722 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 12:35:07,724 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 12:35:07,725 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 12:35:07,727 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 12:35:07,729 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 12:35:07,730 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 12:35:07,731 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 12:35:07,733 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 12:35:07,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 12:35:07,735 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 12:35:07,736 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 12:35:07,737 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 12:35:07,740 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 12:35:07,741 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 12:35:07,745 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 12:35:07,746 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 12:35:07,746 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 12:35:07,747 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 12:35:07,747 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 12:35:07,747 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 12:35:07,751 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 12:35:07,752 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 12:35:07,752 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-02 12:35:07,781 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 12:35:07,781 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 12:35:07,782 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 12:35:07,782 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 12:35:07,783 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 12:35:07,784 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 12:35:07,784 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 12:35:07,784 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 12:35:07,785 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 12:35:07,786 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 12:35:07,786 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 12:35:07,786 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 12:35:07,786 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 12:35:07,787 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 12:35:07,787 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 12:35:07,787 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 12:35:07,787 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 12:35:07,788 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 12:35:07,788 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 12:35:07,788 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 12:35:07,788 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 12:35:07,788 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 12:35:07,789 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 12:35:07,789 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 12:35:07,789 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 12:35:07,789 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 12:35:07,789 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 12:35:07,790 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 12:35:07,790 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 12:35:07,850 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 12:35:07,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 12:35:07,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 12:35:07,872 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 12:35:07,873 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 12:35:07,874 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-10-02 12:35:07,874 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl' [2018-10-02 12:35:07,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 12:35:07,947 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 12:35:07,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 12:35:07,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 12:35:07,948 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 12:35:07,970 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 02.10 12:35:07" (1/1) ... [2018-10-02 12:35:07,983 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 02.10 12:35:07" (1/1) ... [2018-10-02 12:35:07,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 12:35:07,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 12:35:07,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 12:35:07,992 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 12:35:08,004 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 02.10 12:35:07" (1/1) ... [2018-10-02 12:35:08,004 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 02.10 12:35:07" (1/1) ... [2018-10-02 12:35:08,005 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 02.10 12:35:07" (1/1) ... [2018-10-02 12:35:08,006 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 02.10 12:35:07" (1/1) ... [2018-10-02 12:35:08,010 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 02.10 12:35:07" (1/1) ... [2018-10-02 12:35:08,012 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 02.10 12:35:07" (1/1) ... [2018-10-02 12:35:08,013 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 02.10 12:35:07" (1/1) ... [2018-10-02 12:35:08,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 12:35:08,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 12:35:08,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 12:35:08,016 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 12:35:08,017 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 02.10 12:35:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 12:35:08,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-02 12:35:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-02 12:35:08,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-02 12:35:08,297 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-02 12:35:08,297 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:35:08 BoogieIcfgContainer [2018-10-02 12:35:08,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 12:35:08,298 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 12:35:08,298 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 12:35:08,310 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 12:35:08,310 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 02.10 12:35:08" (1/1) ... [2018-10-02 12:35:08,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 12:35:08,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:08,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-02 12:35:08,367 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-02 12:35:08,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-02 12:35:08,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:08,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:35:08,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:08,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-10-02 12:35:08,682 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-10-02 12:35:08,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-02 12:35:08,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:08,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:35:08,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:08,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-02 12:35:08,860 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-02 12:35:08,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 12:35:08,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:08,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:35:09,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:09,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-10-02 12:35:09,064 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-10-02 12:35:09,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:35:09,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:09,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-02 12:35:10,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-10-02 12:35:10,314 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-10-02 12:35:10,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 12:35:10,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:10,440 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-02 12:35:10,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:10,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-10-02 12:35:10,614 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-10-02 12:35:10,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:35:10,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:10,711 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-02 12:35:10,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:10,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-10-02 12:35:10,955 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-10-02 12:35:10,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:35:10,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:11,034 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-02 12:35:11,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:11,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-10-02 12:35:11,816 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-10-02 12:35:11,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:35:11,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:11,845 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-02 12:35:12,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:12,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-10-02 12:35:12,345 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-10-02 12:35:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:35:12,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:12,374 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-02 12:35:12,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:12,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-10-02 12:35:12,524 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-10-02 12:35:12,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-02 12:35:12,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-02 12:35:12,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:12,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-10-02 12:35:12,695 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-10-02 12:35:12,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 12:35:12,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:12,731 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-02 12:35:12,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:12,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-10-02 12:35:12,951 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-10-02 12:35:12,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-02 12:35:12,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:13,082 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-02 12:35:13,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-10-02 12:35:13,974 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-10-02 12:35:13,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-02 12:35:13,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:14,093 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 79 proven. 10 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-02 12:35:14,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:14,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2018-10-02 12:35:14,271 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-10-02 12:35:14,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-02 12:35:14,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:14,924 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-02 12:35:16,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2018-10-02 12:35:16,188 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-10-02 12:35:16,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-02 12:35:16,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:16,601 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 109 proven. 21 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-02 12:35:16,966 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-02 12:35:17,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:17,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2018-10-02 12:35:17,720 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2018-10-02 12:35:17,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-02 12:35:17,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:17,745 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 176 proven. 10 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-02 12:35:17,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:17,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2018-10-02 12:35:18,000 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-10-02 12:35:18,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-02 12:35:18,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 194 proven. 15 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-02 12:35:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-10-02 12:35:18,278 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-10-02 12:35:18,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-02 12:35:18,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:18,301 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 212 proven. 21 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-02 12:35:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2018-10-02 12:35:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-10-02 12:35:18,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-02 12:35:18,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:18,903 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-02 12:35:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2018-10-02 12:35:19,785 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-10-02 12:35:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-02 12:35:19,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:19,901 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 394 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-02 12:35:21,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:21,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2018-10-02 12:35:21,261 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2018-10-02 12:35:21,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-02 12:35:21,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:21,307 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 407 proven. 10 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-02 12:35:21,707 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-02 12:35:22,171 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-10-02 12:35:22,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:22,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2018-10-02 12:35:22,348 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-10-02 12:35:22,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-02 12:35:22,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:22,377 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 438 proven. 15 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-02 12:35:22,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:22,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2018-10-02 12:35:22,704 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2018-10-02 12:35:22,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-02 12:35:22,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:22,760 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 469 proven. 21 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-02 12:35:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:23,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2018-10-02 12:35:23,134 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2018-10-02 12:35:23,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-02 12:35:23,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:23,160 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 422 proven. 10 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-02 12:35:23,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:23,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2018-10-02 12:35:23,504 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-10-02 12:35:23,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-02 12:35:23,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:23,530 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 456 proven. 15 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-02 12:35:23,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:23,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2018-10-02 12:35:23,760 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-10-02 12:35:23,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-02 12:35:23,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:23,785 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 490 proven. 21 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-02 12:35:24,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:24,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2018-10-02 12:35:24,036 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2018-10-02 12:35:24,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-02 12:35:24,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:24,062 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 355 proven. 10 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-02 12:35:24,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:24,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2018-10-02 12:35:24,407 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2018-10-02 12:35:24,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-02 12:35:24,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:24,431 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 392 proven. 15 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-02 12:35:24,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:24,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2018-10-02 12:35:24,660 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2018-10-02 12:35:24,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-02 12:35:24,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:24,685 INFO L134 CoverageAnalysis]: Checked inductivity of 967 backedges. 429 proven. 21 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-02 12:35:24,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:24,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2018-10-02 12:35:24,962 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2018-10-02 12:35:24,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-02 12:35:24,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 206 proven. 10 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-02 12:35:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2018-10-02 12:35:25,908 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2018-10-02 12:35:25,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-02 12:35:25,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 246 proven. 15 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-02 12:35:26,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:26,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2018-10-02 12:35:26,278 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-10-02 12:35:26,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-02 12:35:26,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:26,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 286 proven. 21 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-02 12:35:26,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:26,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2018-10-02 12:35:26,534 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2018-10-02 12:35:26,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-02 12:35:26,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:26,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 0 proven. 981 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-10-02 12:35:29,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:29,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2018-10-02 12:35:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2018-10-02 12:35:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-02 12:35:29,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:29,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 391 proven. 28 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2018-10-02 12:35:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:29,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2018-10-02 12:35:29,810 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2018-10-02 12:35:29,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-02 12:35:29,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:29,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 764 proven. 28 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2018-10-02 12:35:30,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:30,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2018-10-02 12:35:30,148 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2018-10-02 12:35:30,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-02 12:35:30,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:30,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 991 proven. 28 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2018-10-02 12:35:30,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:30,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2018-10-02 12:35:30,771 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2018-10-02 12:35:30,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-02 12:35:30,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 1072 proven. 28 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2018-10-02 12:35:31,302 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-02 12:35:31,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:31,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2018-10-02 12:35:31,629 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2018-10-02 12:35:31,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-02 12:35:31,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:31,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 1007 proven. 28 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2018-10-02 12:35:32,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:32,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2018-10-02 12:35:32,120 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2018-10-02 12:35:32,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-02 12:35:32,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:32,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1858 backedges. 796 proven. 28 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-10-02 12:35:32,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2018-10-02 12:35:32,495 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2018-10-02 12:35:32,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-02 12:35:32,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:33,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 1675 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-10-02 12:35:35,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2018-10-02 12:35:35,503 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-10-02 12:35:35,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-02 12:35:35,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:35,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 942 proven. 28 refuted. 0 times theorem prover too weak. 1481 trivial. 0 not checked. [2018-10-02 12:35:35,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2018-10-02 12:35:35,929 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2018-10-02 12:35:35,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-02 12:35:35,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:35,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 512 proven. 28 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-02 12:35:37,152 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-10-02 12:35:37,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:37,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2018-10-02 12:35:37,500 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2018-10-02 12:35:37,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-02 12:35:37,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:37,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 575 proven. 36 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-02 12:35:38,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:38,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2018-10-02 12:35:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-10-02 12:35:38,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-02 12:35:38,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:38,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 638 proven. 45 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-02 12:35:38,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:38,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 86 states and 94 transitions. [2018-10-02 12:35:38,690 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2018-10-02 12:35:38,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-02 12:35:38,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:38,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2737 backedges. 1193 proven. 36 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-10-02 12:35:39,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:39,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2018-10-02 12:35:39,087 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2018-10-02 12:35:39,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-02 12:35:39,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:39,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2811 backedges. 1258 proven. 45 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-10-02 12:35:39,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:39,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 88 states and 95 transitions. [2018-10-02 12:35:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2018-10-02 12:35:39,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-02 12:35:39,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:39,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2886 backedges. 1611 proven. 36 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-10-02 12:35:40,029 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-02 12:35:40,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:40,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 89 states and 96 transitions. [2018-10-02 12:35:40,276 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2018-10-02 12:35:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-02 12:35:40,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2962 backedges. 1678 proven. 45 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-10-02 12:35:40,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:40,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2018-10-02 12:35:40,860 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2018-10-02 12:35:40,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-02 12:35:40,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:40,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3039 backedges. 1829 proven. 36 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-10-02 12:35:41,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:41,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2018-10-02 12:35:41,330 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2018-10-02 12:35:41,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-02 12:35:41,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:41,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3117 backedges. 1898 proven. 45 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-10-02 12:35:41,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:41,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 92 states and 97 transitions. [2018-10-02 12:35:41,742 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-10-02 12:35:41,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-02 12:35:41,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 2832 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-10-02 12:35:48,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:48,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2018-10-02 12:35:48,512 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2018-10-02 12:35:48,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-02 12:35:48,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 0 proven. 3561 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2018-10-02 12:35:52,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:52,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 112 states and 119 transitions. [2018-10-02 12:35:52,952 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2018-10-02 12:35:52,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-02 12:35:52,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4808 backedges. 0 proven. 4372 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2018-10-02 12:35:57,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:35:57,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 122 states and 130 transitions. [2018-10-02 12:35:57,186 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2018-10-02 12:35:57,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-02 12:35:57,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:35:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:35:57,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5737 backedges. 0 proven. 5265 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2018-10-02 12:36:01,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:01,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 132 states and 141 transitions. [2018-10-02 12:36:01,145 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2018-10-02 12:36:01,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-02 12:36:01,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6748 backedges. 3775 proven. 36 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-10-02 12:36:01,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:01,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 133 states and 142 transitions. [2018-10-02 12:36:01,938 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 142 transitions. [2018-10-02 12:36:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-02 12:36:01,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:01,985 INFO L134 CoverageAnalysis]: Checked inductivity of 6864 backedges. 3882 proven. 45 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-10-02 12:36:02,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:02,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 134 states and 142 transitions. [2018-10-02 12:36:02,686 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2018-10-02 12:36:02,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-02 12:36:02,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:02,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6981 backedges. 3993 proven. 36 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-10-02 12:36:03,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:03,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 135 states and 143 transitions. [2018-10-02 12:36:03,191 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2018-10-02 12:36:03,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-02 12:36:03,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 7099 backedges. 4102 proven. 45 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-10-02 12:36:03,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:03,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 136 states and 143 transitions. [2018-10-02 12:36:03,659 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 143 transitions. [2018-10-02 12:36:03,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-02 12:36:03,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:03,692 INFO L134 CoverageAnalysis]: Checked inductivity of 7218 backedges. 4011 proven. 36 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-10-02 12:36:04,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:04,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 137 states and 144 transitions. [2018-10-02 12:36:04,106 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 144 transitions. [2018-10-02 12:36:04,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-02 12:36:04,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 7338 backedges. 4122 proven. 45 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-10-02 12:36:04,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:04,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 138 states and 144 transitions. [2018-10-02 12:36:04,689 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2018-10-02 12:36:04,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-02 12:36:04,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 7459 backedges. 3829 proven. 36 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-10-02 12:36:05,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:05,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 139 states and 145 transitions. [2018-10-02 12:36:05,188 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2018-10-02 12:36:05,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-02 12:36:05,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:05,218 INFO L134 CoverageAnalysis]: Checked inductivity of 7581 backedges. 3942 proven. 45 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-10-02 12:36:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:05,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 140 states and 145 transitions. [2018-10-02 12:36:05,820 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2018-10-02 12:36:05,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-02 12:36:05,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:05,856 INFO L134 CoverageAnalysis]: Checked inductivity of 7704 backedges. 3447 proven. 36 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-10-02 12:36:06,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:06,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 141 states and 146 transitions. [2018-10-02 12:36:06,327 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 146 transitions. [2018-10-02 12:36:06,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-02 12:36:06,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:06,361 INFO L134 CoverageAnalysis]: Checked inductivity of 7828 backedges. 3562 proven. 45 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-10-02 12:36:06,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:06,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 142 states and 146 transitions. [2018-10-02 12:36:06,908 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2018-10-02 12:36:06,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-02 12:36:06,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 7953 backedges. 2865 proven. 36 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-10-02 12:36:07,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:07,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 143 states and 147 transitions. [2018-10-02 12:36:07,357 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2018-10-02 12:36:07,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-02 12:36:07,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:07,393 INFO L134 CoverageAnalysis]: Checked inductivity of 8079 backedges. 2982 proven. 45 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-10-02 12:36:08,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:08,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 144 states and 147 transitions. [2018-10-02 12:36:08,210 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 147 transitions. [2018-10-02 12:36:08,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-02 12:36:08,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:08,243 INFO L134 CoverageAnalysis]: Checked inductivity of 8206 backedges. 2083 proven. 36 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-10-02 12:36:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:08,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 145 states and 148 transitions. [2018-10-02 12:36:08,766 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 148 transitions. [2018-10-02 12:36:08,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-02 12:36:08,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:08,805 INFO L134 CoverageAnalysis]: Checked inductivity of 8334 backedges. 2202 proven. 45 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-10-02 12:36:09,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:09,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 146 states and 148 transitions. [2018-10-02 12:36:09,272 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 148 transitions. [2018-10-02 12:36:09,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-02 12:36:09,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:09,308 INFO L134 CoverageAnalysis]: Checked inductivity of 8463 backedges. 1101 proven. 36 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-10-02 12:36:09,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:09,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 147 states and 149 transitions. [2018-10-02 12:36:09,774 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 149 transitions. [2018-10-02 12:36:09,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-02 12:36:09,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:09,803 INFO L134 CoverageAnalysis]: Checked inductivity of 8593 backedges. 1222 proven. 45 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-10-02 12:36:10,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:10,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 148 states and 149 transitions. [2018-10-02 12:36:10,214 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 149 transitions. [2018-10-02 12:36:10,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-02 12:36:10,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:10,445 INFO L134 CoverageAnalysis]: Checked inductivity of 8724 backedges. 0 proven. 8064 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2018-10-02 12:36:15,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:15,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 160 states and 161 transitions. [2018-10-02 12:36:15,681 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 161 transitions. [2018-10-02 12:36:15,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-02 12:36:15,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:15,961 INFO L134 CoverageAnalysis]: Checked inductivity of 10244 backedges. 0 proven. 9529 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2018-10-02 12:36:21,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:21,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 172 states and 173 transitions. [2018-10-02 12:36:21,689 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 173 transitions. [2018-10-02 12:36:21,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-02 12:36:21,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 11886 backedges. 0 proven. 11116 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2018-10-02 12:36:28,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:28,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 184 states and 185 transitions. [2018-10-02 12:36:28,185 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 185 transitions. [2018-10-02 12:36:28,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-02 12:36:28,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:28,575 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 12825 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2018-10-02 12:36:35,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:35,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 196 states and 197 transitions. [2018-10-02 12:36:35,007 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 197 transitions. [2018-10-02 12:36:35,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-02 12:36:35,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 15536 backedges. 0 proven. 14656 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2018-10-02 12:36:42,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:42,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 208 states and 209 transitions. [2018-10-02 12:36:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2018-10-02 12:36:42,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-02 12:36:42,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:42,714 INFO L134 CoverageAnalysis]: Checked inductivity of 17544 backedges. 0 proven. 16609 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2018-10-02 12:36:50,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:50,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 220 states and 221 transitions. [2018-10-02 12:36:50,306 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 221 transitions. [2018-10-02 12:36:50,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-02 12:36:50,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:50,657 INFO L134 CoverageAnalysis]: Checked inductivity of 19674 backedges. 0 proven. 18684 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2018-10-02 12:36:58,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:36:58,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 232 states and 233 transitions. [2018-10-02 12:36:58,213 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 233 transitions. [2018-10-02 12:36:58,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-02 12:36:58,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:36:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:36:59,243 INFO L134 CoverageAnalysis]: Checked inductivity of 21926 backedges. 0 proven. 20881 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2018-10-02 12:37:07,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:37:07,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 244 states and 245 transitions. [2018-10-02 12:37:07,187 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 245 transitions. [2018-10-02 12:37:07,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-02 12:37:07,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:37:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:37:07,814 INFO L134 CoverageAnalysis]: Checked inductivity of 24300 backedges. 0 proven. 23200 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2018-10-02 12:37:16,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:37:16,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 256 states and 257 transitions. [2018-10-02 12:37:16,295 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 257 transitions. [2018-10-02 12:37:16,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-02 12:37:16,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:37:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:37:17,261 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 25641 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2018-10-02 12:37:26,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:37:26,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 268 states and 269 transitions. [2018-10-02 12:37:26,057 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 269 transitions. [2018-10-02 12:37:26,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-02 12:37:26,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:37:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:37:26,713 INFO L134 CoverageAnalysis]: Checked inductivity of 29414 backedges. 0 proven. 28204 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2018-10-02 12:37:36,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:37:36,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 280 states and 281 transitions. [2018-10-02 12:37:36,153 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 281 transitions. [2018-10-02 12:37:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-02 12:37:36,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:37:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:37:36,631 INFO L134 CoverageAnalysis]: Checked inductivity of 32154 backedges. 0 proven. 30889 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2018-10-02 12:37:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:37:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 292 states and 293 transitions. [2018-10-02 12:37:46,571 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 293 transitions. [2018-10-02 12:37:46,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-02 12:37:46,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:37:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:37:47,139 INFO L134 CoverageAnalysis]: Checked inductivity of 35016 backedges. 0 proven. 33696 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2018-10-02 12:37:57,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:37:57,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 304 states and 305 transitions. [2018-10-02 12:37:57,190 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 305 transitions. [2018-10-02 12:37:57,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-10-02 12:37:57,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:37:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:37:57,764 INFO L134 CoverageAnalysis]: Checked inductivity of 38000 backedges. 0 proven. 36625 refuted. 0 times theorem prover too weak. 1375 trivial. 0 not checked. [2018-10-02 12:38:08,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:38:08,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 316 states and 317 transitions. [2018-10-02 12:38:08,232 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 317 transitions. [2018-10-02 12:38:08,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-10-02 12:38:08,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:38:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:38:08,943 INFO L134 CoverageAnalysis]: Checked inductivity of 41106 backedges. 0 proven. 39676 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2018-10-02 12:38:20,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:38:20,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 328 states and 329 transitions. [2018-10-02 12:38:20,023 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 329 transitions. [2018-10-02 12:38:20,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-10-02 12:38:20,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:38:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:38:20,781 INFO L134 CoverageAnalysis]: Checked inductivity of 44334 backedges. 0 proven. 42849 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2018-10-02 12:38:32,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:38:32,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 340 states and 341 transitions. [2018-10-02 12:38:32,647 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 341 transitions. [2018-10-02 12:38:32,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-10-02 12:38:32,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:38:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:38:33,807 INFO L134 CoverageAnalysis]: Checked inductivity of 47684 backedges. 0 proven. 46144 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2018-10-02 12:38:45,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:38:45,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 352 states and 353 transitions. [2018-10-02 12:38:45,668 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 353 transitions. [2018-10-02 12:38:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-10-02 12:38:45,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:38:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:38:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 51156 backedges. 0 proven. 49561 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2018-10-02 12:38:58,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:38:58,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 364 states and 365 transitions. [2018-10-02 12:38:58,690 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 365 transitions. [2018-10-02 12:38:58,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-10-02 12:38:58,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:38:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:38:59,356 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... [2018-10-02 12:39:08,812 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-02 12:39:08,815 INFO L168 Benchmark]: Toolchain (without parser) took 240870.93 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: -557.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-02 12:39:08,816 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. [2018-10-02 12:39:08,816 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.65 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. [2018-10-02 12:39:08,816 INFO L168 Benchmark]: Boogie Preprocessor took 23.31 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. [2018-10-02 12:39:08,817 INFO L168 Benchmark]: RCFGBuilder took 282.29 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. [2018-10-02 12:39:08,818 INFO L168 Benchmark]: CodeCheck took 240515.76 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: -579.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-02 12:39:08,821 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 1486 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 43.65 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 23.31 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 282.29 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 240515.76 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: -579.0 MB). Peak memory consumption was 1.1 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-0-2018-10-02_12-39-08-833.csv Completed graceful shutdown