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_PUPT.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:53:49,809 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:53:49,811 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:53:49,828 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:53:49,828 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:53:49,830 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:53:49,832 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:53:49,835 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:53:49,837 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:53:49,839 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:53:49,841 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:53:49,841 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:53:49,842 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:53:49,843 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:53:49,847 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:53:49,848 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:53:49,849 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:53:49,851 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:53:49,853 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:53:49,855 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:53:49,856 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:53:49,858 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:53:49,860 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:53:49,861 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:53:49,861 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:53:49,862 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:53:49,863 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:53:49,864 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:53:49,864 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:53:49,865 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:53:49,866 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:53:49,866 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:53:49,867 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:53:49,867 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:53:49,868 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:53:49,869 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:53:49,869 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-30 21:53:49,885 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:53:49,885 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:53:49,886 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:53:49,886 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:53:49,887 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:53:49,887 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:53:49,887 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:53:49,887 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:53:49,888 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:53:49,888 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:53:49,888 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:53:49,888 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:53:49,888 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:53:49,888 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:53:49,889 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:53:49,889 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:53:49,889 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:53:49,889 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:53:49,890 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:53:49,890 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 21:53:49,890 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:53:49,890 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:53:49,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:53:49,891 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:53:49,891 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:53:49,891 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:53:49,891 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:53:49,892 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:53:49,892 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:53:49,892 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:53:49,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:53:49,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:53:49,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:53:49,955 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:53:49,956 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:53:49,956 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl [2018-09-30 21:53:49,957 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl' [2018-09-30 21:53:50,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:53:50,009 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:53:50,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:53:50,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:53:50,011 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:53:50,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:49" (1/1) ... [2018-09-30 21:53:50,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:49" (1/1) ... [2018-09-30 21:53:50,053 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 21:53:50,053 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 21:53:50,054 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 21:53:50,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:53:50,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:53:50,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:53:50,057 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:53:50,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:49" (1/1) ... [2018-09-30 21:53:50,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:49" (1/1) ... [2018-09-30 21:53:50,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:49" (1/1) ... [2018-09-30 21:53:50,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:49" (1/1) ... [2018-09-30 21:53:50,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:49" (1/1) ... [2018-09-30 21:53:50,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:49" (1/1) ... [2018-09-30 21:53:50,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:49" (1/1) ... [2018-09-30 21:53:50,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:53:50,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:53:50,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:53:50,080 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:53:50,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:53:50,156 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-30 21:53:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-30 21:53:50,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-30 21:53:50,297 INFO L345 CfgBuilder]: Using library mode [2018-09-30 21:53:50,298 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:53:50 BoogieIcfgContainer [2018-09-30 21:53:50,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:53:50,298 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:53:50,298 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:53:50,310 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:53:50,310 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:53:50" (1/1) ... [2018-09-30 21:53:50,323 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 21:53:50,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:50,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-09-30 21:53:50,366 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-09-30 21:53:50,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-30 21:53:50,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:50,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:50,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-09-30 21:53:50,999 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-09-30 21:53:51,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 21:53:51,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:51,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:51,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:51,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-09-30 21:53:51,986 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-09-30 21:53:51,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:53:51,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:52,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:53,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-09-30 21:53:53,137 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-09-30 21:53:53,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:53:53,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:53,361 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:54,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 11 states and 24 transitions. [2018-09-30 21:53:54,498 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 24 transitions. [2018-09-30 21:53:54,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:53:54,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:54,728 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:56,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:56,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 15 states and 34 transitions. [2018-09-30 21:53:56,579 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 34 transitions. [2018-09-30 21:53:56,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:53:56,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:56,901 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:58,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:58,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2018-09-30 21:53:58,719 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2018-09-30 21:53:58,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:53:58,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:59,234 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:01,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:01,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 26 states and 60 transitions. [2018-09-30 21:54:01,661 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 60 transitions. [2018-09-30 21:54:01,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:54:01,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:04,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:04,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 33 states and 76 transitions. [2018-09-30 21:54:04,844 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 76 transitions. [2018-09-30 21:54:04,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:54:04,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:08,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:08,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 41 states and 94 transitions. [2018-09-30 21:54:08,506 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 94 transitions. [2018-09-30 21:54:08,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:54:08,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:09,585 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:13,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:13,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 50 states and 114 transitions. [2018-09-30 21:54:13,513 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 114 transitions. [2018-09-30 21:54:13,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:54:13,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:20,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:20,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 60 states and 136 transitions. [2018-09-30 21:54:20,271 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 136 transitions. [2018-09-30 21:54:20,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:54:20,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:21,921 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:28,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:28,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 71 states and 160 transitions. [2018-09-30 21:54:28,046 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 160 transitions. [2018-09-30 21:54:28,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:54:28,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:37,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:37,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 83 states and 186 transitions. [2018-09-30 21:54:37,747 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 186 transitions. [2018-09-30 21:54:37,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 21:54:37,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:40,367 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:51,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 96 states and 214 transitions. [2018-09-30 21:54:51,149 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 214 transitions. [2018-09-30 21:54:51,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:54:51,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:54,583 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:07,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 110 states and 244 transitions. [2018-09-30 21:55:07,270 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 244 transitions. [2018-09-30 21:55:07,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:55:07,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:11,558 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:26,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:26,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 125 states and 276 transitions. [2018-09-30 21:55:26,127 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 276 transitions. [2018-09-30 21:55:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:55:26,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:31,315 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:49,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 141 states and 310 transitions. [2018-09-30 21:55:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 310 transitions. [2018-09-30 21:55:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 21:55:49,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:55,508 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:18,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:18,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 158 states and 346 transitions. [2018-09-30 21:56:18,075 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 346 transitions. [2018-09-30 21:56:18,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:56:18,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:53,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:53,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 176 states and 384 transitions. [2018-09-30 21:56:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 384 transitions. [2018-09-30 21:56:53,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 21:56:53,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:57:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:57:37,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:57:37,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 195 states and 424 transitions. [2018-09-30 21:57:37,658 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 424 transitions. [2018-09-30 21:57:37,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:57:37,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:57:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:57:49,261 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown