java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c372c2b [2018-10-02 12:48:21,736 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 12:48:21,738 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 12:48:21,750 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 12:48:21,750 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 12:48:21,751 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 12:48:21,752 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 12:48:21,754 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 12:48:21,756 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 12:48:21,756 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 12:48:21,757 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 12:48:21,758 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 12:48:21,759 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 12:48:21,759 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 12:48:21,761 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 12:48:21,761 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 12:48:21,762 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 12:48:21,764 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 12:48:21,769 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 12:48:21,772 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 12:48:21,773 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 12:48:21,775 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 12:48:21,778 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 12:48:21,778 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 12:48:21,778 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 12:48:21,785 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 12:48:21,786 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 12:48:21,787 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 12:48:21,788 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 12:48:21,792 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 12:48:21,792 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 12:48:21,793 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 12:48:21,793 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 12:48:21,793 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 12:48:21,795 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 12:48:21,796 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 12:48:21,796 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 12:48:21,828 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 12:48:21,828 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 12:48:21,829 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 12:48:21,829 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 12:48:21,830 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 12:48:21,833 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 12:48:21,834 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 12:48:21,834 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 12:48:21,834 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 12:48:21,835 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 12:48:21,835 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 12:48:21,835 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 12:48:21,835 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 12:48:21,836 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 12:48:21,836 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 12:48:21,836 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 12:48:21,836 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 12:48:21,836 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 12:48:21,836 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 12:48:21,837 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 12:48:21,837 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 12:48:21,837 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 12:48:21,838 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 12:48:21,839 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 12:48:21,839 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 12:48:21,839 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 12:48:21,840 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 12:48:21,840 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 12:48:21,840 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 12:48:21,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 12:48:21,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 12:48:21,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 12:48:21,910 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 12:48:21,910 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 12:48:21,911 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl [2018-10-02 12:48:21,911 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl' [2018-10-02 12:48:21,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 12:48:21,964 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 12:48:21,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 12:48:21,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 12:48:21,966 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 12:48:21,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:21" (1/1) ... [2018-10-02 12:48:21,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:21" (1/1) ... [2018-10-02 12:48:22,004 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-02 12:48:22,004 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-02 12:48:22,005 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-02 12:48:22,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 12:48:22,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 12:48:22,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 12:48:22,008 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 12:48:22,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:21" (1/1) ... [2018-10-02 12:48:22,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:21" (1/1) ... [2018-10-02 12:48:22,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:21" (1/1) ... [2018-10-02 12:48:22,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:21" (1/1) ... [2018-10-02 12:48:22,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:21" (1/1) ... [2018-10-02 12:48:22,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:21" (1/1) ... [2018-10-02 12:48:22,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:21" (1/1) ... [2018-10-02 12:48:22,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 12:48:22,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 12:48:22,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 12:48:22,032 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 12:48:22,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:21" (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 12:48:22,109 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-02 12:48:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-02 12:48:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-02 12:48:22,452 INFO L337 CfgBuilder]: Using library mode [2018-10-02 12:48:22,452 INFO L202 PluginConnector]: Adding new model BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:48:22 BoogieIcfgContainer [2018-10-02 12:48:22,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 12:48:22,453 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 12:48:22,453 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 12:48:22,463 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 12:48:22,463 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:48:22" (1/1) ... [2018-10-02 12:48:22,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 12:48:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:22,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-02 12:48:22,510 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-02 12:48:22,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-02 12:48:22,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:22,692 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 12:48:22,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:22,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-02 12:48:22,843 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-02 12:48:22,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-02 12:48:22,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:22,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:22,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:22,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-10-02 12:48:22,992 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-10-02 12:48:22,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-02 12:48:22,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:23,047 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:23,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-10-02 12:48:23,227 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-10-02 12:48:23,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 12:48:23,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:23,407 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:23,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:23,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-02 12:48:23,580 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-02 12:48:23,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:48:23,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:23,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:23,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-10-02 12:48:23,873 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-10-02 12:48:23,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 12:48:23,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:23,955 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:24,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:24,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-02 12:48:24,060 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-02 12:48:24,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-02 12:48:24,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:24,280 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:24,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:24,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-10-02 12:48:24,580 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-10-02 12:48:24,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:48:24,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:24,697 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:24,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:24,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-10-02 12:48:24,866 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-10-02 12:48:24,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 12:48:24,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:25,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:25,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-10-02 12:48:25,166 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-10-02 12:48:25,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:48:25,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:25,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:25,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-10-02 12:48:25,536 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-10-02 12:48:25,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:48:25,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:25,680 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:25,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:25,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2018-10-02 12:48:25,783 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-10-02 12:48:25,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:48:25,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:25,870 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:25,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:25,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-10-02 12:48:25,997 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-10-02 12:48:25,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 12:48:25,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:26,100 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:26,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2018-10-02 12:48:26,239 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-10-02 12:48:26,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:48:26,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:26,375 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-10-02 12:48:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-10-02 12:48:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:48:26,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:26,704 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:26,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:26,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2018-10-02 12:48:26,812 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-10-02 12:48:26,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:48:26,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:26,916 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:27,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:27,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-10-02 12:48:27,173 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-10-02 12:48:27,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-02 12:48:27,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:27,405 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:27,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:27,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2018-10-02 12:48:27,527 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-10-02 12:48:27,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 12:48:27,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-10-02 12:48:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-10-02 12:48:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-02 12:48:27,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:28,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2018-10-02 12:48:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-10-02 12:48:28,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-02 12:48:28,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:28,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:28,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-10-02 12:48:28,652 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-10-02 12:48:28,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-02 12:48:28,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:29,179 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:29,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2018-10-02 12:48:29,492 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-10-02 12:48:29,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-02 12:48:29,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:29,689 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:30,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-10-02 12:48:30,266 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-10-02 12:48:30,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-02 12:48:30,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:32,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:32,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2018-10-02 12:48:32,234 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-10-02 12:48:32,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-02 12:48:32,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:32,361 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:32,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:32,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-10-02 12:48:32,504 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-10-02 12:48:32,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-02 12:48:32,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:32,643 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:32,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2018-10-02 12:48:32,967 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-10-02 12:48:32,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-02 12:48:32,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:33,268 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:33,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:33,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-10-02 12:48:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-10-02 12:48:33,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-02 12:48:33,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:33,682 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:34,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:34,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2018-10-02 12:48:34,043 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-10-02 12:48:34,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-02 12:48:34,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:34,191 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:34,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:34,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-10-02 12:48:34,357 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-10-02 12:48:34,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-02 12:48:34,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:35,162 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:35,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2018-10-02 12:48:35,491 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-10-02 12:48:35,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-02 12:48:35,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:35,672 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:35,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:35,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-10-02 12:48:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-10-02 12:48:35,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-02 12:48:35,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:36,115 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:36,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:36,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 38 states and 39 transitions. [2018-10-02 12:48:36,249 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-10-02 12:48:36,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-02 12:48:36,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:37,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-10-02 12:48:37,299 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-10-02 12:48:37,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-02 12:48:37,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:37,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:37,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 40 states and 41 transitions. [2018-10-02 12:48:37,795 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2018-10-02 12:48:37,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-02 12:48:37,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:38,378 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:38,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:38,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-10-02 12:48:38,566 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-10-02 12:48:38,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-02 12:48:38,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:39,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:39,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 42 states and 43 transitions. [2018-10-02 12:48:39,313 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-10-02 12:48:39,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-02 12:48:39,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:39,482 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:39,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:39,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-10-02 12:48:39,681 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-10-02 12:48:39,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-02 12:48:39,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:39,889 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:40,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:40,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 44 states and 45 transitions. [2018-10-02 12:48:40,112 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-10-02 12:48:40,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-02 12:48:40,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:40,393 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:40,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:40,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-10-02 12:48:40,616 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-10-02 12:48:40,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-02 12:48:40,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:41,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:41,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2018-10-02 12:48:41,063 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-10-02 12:48:41,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-02 12:48:41,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:41,279 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:41,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:41,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-10-02 12:48:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-10-02 12:48:41,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-02 12:48:41,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:41,702 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:41,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:41,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2018-10-02 12:48:41,920 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-10-02 12:48:41,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-02 12:48:41,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:42,168 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:42,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-10-02 12:48:42,599 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-10-02 12:48:42,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-02 12:48:42,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:43,185 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:43,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:43,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 50 states and 51 transitions. [2018-10-02 12:48:43,406 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-10-02 12:48:43,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-02 12:48:43,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:43,674 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:43,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-10-02 12:48:43,880 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-10-02 12:48:43,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-02 12:48:43,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:44,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:44,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2018-10-02 12:48:44,279 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-10-02 12:48:44,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-02 12:48:44,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:44,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:44,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:44,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-10-02 12:48:44,726 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-10-02 12:48:44,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-02 12:48:44,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:45,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:45,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:45,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 54 states and 55 transitions. [2018-10-02 12:48:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2018-10-02 12:48:45,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-02 12:48:45,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:45,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:45,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:45,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-10-02 12:48:45,848 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-10-02 12:48:45,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-02 12:48:45,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:46,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:46,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 56 states and 57 transitions. [2018-10-02 12:48:46,315 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2018-10-02 12:48:46,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-02 12:48:46,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:46,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:46,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:46,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-10-02 12:48:46,771 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-10-02 12:48:46,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-02 12:48:46,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:46,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:47,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:47,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 58 states and 59 transitions. [2018-10-02 12:48:47,216 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 59 transitions. [2018-10-02 12:48:47,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-02 12:48:47,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:47,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:47,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:47,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-10-02 12:48:47,852 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-10-02 12:48:47,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-02 12:48:47,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:52,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:52,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-10-02 12:48:52,184 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-10-02 12:48:52,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-02 12:48:52,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:55,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:55,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:55,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-10-02 12:48:55,290 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-10-02 12:48:55,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-02 12:48:55,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:58,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:58,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:58,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-10-02 12:48:58,743 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-10-02 12:48:58,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-02 12:48:58,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:01,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:01,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:01,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-10-02 12:49:01,999 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-10-02 12:49:01,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-02 12:49:01,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:04,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:04,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:04,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-10-02 12:49:04,893 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-10-02 12:49:04,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-02 12:49:04,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:07,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:08,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:08,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-10-02 12:49:08,137 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-10-02 12:49:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-02 12:49:08,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-10-02 12:49:11,526 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-10-02 12:49:11,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-02 12:49:11,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:14,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:14,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-10-02 12:49:14,934 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-10-02 12:49:14,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-02 12:49:14,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:18,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:18,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:18,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-10-02 12:49:18,467 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-10-02 12:49:18,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-02 12:49:18,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:22,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:22,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-10-02 12:49:22,107 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-10-02 12:49:22,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-02 12:49:22,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:26,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:26,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-10-02 12:49:26,816 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-10-02 12:49:26,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-02 12:49:26,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:30,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:30,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:30,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-10-02 12:49:30,514 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-10-02 12:49:30,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-02 12:49:30,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:34,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:34,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:34,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-10-02 12:49:34,546 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-10-02 12:49:34,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-02 12:49:34,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:38,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:38,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:38,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-10-02 12:49:38,590 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-10-02 12:49:38,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-02 12:49:38,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:42,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:44,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:44,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2018-10-02 12:49:44,764 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2018-10-02 12:49:44,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-02 12:49:44,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:49,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:49,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:49,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-10-02 12:49:49,366 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-10-02 12:49:49,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-02 12:49:49,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:53,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-10-02 12:49:53,656 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-10-02 12:49:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-02 12:49:53,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:57,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:57,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:57,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-10-02 12:49:57,854 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-10-02 12:49:57,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-02 12:49:57,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:01,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:02,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-10-02 12:50:02,350 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-10-02 12:50:02,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-02 12:50:02,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:06,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:06,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-10-02 12:50:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-10-02 12:50:06,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-02 12:50:06,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:10,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:11,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:11,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-10-02 12:50:11,262 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-10-02 12:50:11,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-02 12:50:11,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:15,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:16,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:16,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-10-02 12:50:16,117 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-10-02 12:50:16,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-02 12:50:16,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:21,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:21,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-10-02 12:50:21,120 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-10-02 12:50:21,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-02 12:50:21,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:26,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:26,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-10-02 12:50:26,225 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-10-02 12:50:26,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-02 12:50:26,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:31,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:31,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:31,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-10-02 12:50:31,384 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-10-02 12:50:31,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-02 12:50:31,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:36,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:36,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:36,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-10-02 12:50:36,557 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-10-02 12:50:36,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-02 12:50:36,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:41,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:41,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:41,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2018-10-02 12:50:41,906 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2018-10-02 12:50:41,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-02 12:50:41,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:47,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:47,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:47,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-10-02 12:50:47,471 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-10-02 12:50:47,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-02 12:50:47,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:52,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:53,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:53,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-10-02 12:50:53,103 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-10-02 12:50:53,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-02 12:50:53,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:59,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:59,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-10-02 12:50:59,126 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-10-02 12:50:59,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-02 12:50:59,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:05,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-10-02 12:51:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-10-02 12:51:05,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-02 12:51:05,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:11,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:11,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-10-02 12:51:11,160 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-10-02 12:51:11,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-02 12:51:11,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:17,156 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:17,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:17,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-10-02 12:51:17,512 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-10-02 12:51:17,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-02 12:51:17,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:23,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:23,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-10-02 12:51:23,868 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-10-02 12:51:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-02 12:51:23,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:30,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:30,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-10-02 12:51:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-10-02 12:51:30,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-02 12:51:30,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:37,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:37,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-10-02 12:51:37,146 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-10-02 12:51:37,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-02 12:51:37,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:44,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-10-02 12:51:44,036 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-10-02 12:51:44,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-02 12:51:44,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:50,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:51,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:51,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-10-02 12:51:51,173 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-10-02 12:51:51,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-02 12:51:51,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:57,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:58,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:58,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-10-02 12:51:58,215 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-10-02 12:51:58,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-02 12:51:58,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:52:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:52:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:52:05,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-10-02 12:52:05,526 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-10-02 12:52:05,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-02 12:52:05,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:52:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:52:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:52:12,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:52:12,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-10-02 12:52:12,901 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-10-02 12:52:12,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-02 12:52:12,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:52:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:52:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:52:20,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:52:20,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-10-02 12:52:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-10-02 12:52:20,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-02 12:52:20,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:52:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-02 12:52:21,432 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-10-02 12:52:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:52:21,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 12:52:21,552 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-02 12:52:21,553 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 12:52:21,555 INFO L168 Benchmark]: Toolchain (without parser) took 239593.50 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -16.3 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 204.4 MB). Peak memory consumption was 188.1 MB. Max. memory is 7.1 GB. [2018-10-02 12:52:21,557 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:52:21,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:52:21,558 INFO L168 Benchmark]: Boogie Preprocessor took 23.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:52:21,559 INFO L168 Benchmark]: RCFGBuilder took 421.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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 12:52:21,559 INFO L168 Benchmark]: CodeCheck took 239101.41 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -16.3 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 183.2 MB). Peak memory consumption was 167.0 MB. Max. memory is 7.1 GB. [2018-10-02 12:52:21,566 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 380 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 421.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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 239101.41 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -16.3 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 183.2 MB). Peak memory consumption was 167.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-02_12-52-21-587.csv Completed graceful shutdown