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 0.1.23-133090d [2018-10-04 10:48:16,836 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:48:16,838 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:48:16,857 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:48:16,857 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:48:16,858 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:48:16,859 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:48:16,861 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:48:16,863 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:48:16,864 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:48:16,865 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:48:16,865 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:48:16,866 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:48:16,867 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:48:16,868 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:48:16,869 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:48:16,870 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:48:16,872 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:48:16,874 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:48:16,875 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:48:16,876 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:48:16,880 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:48:16,885 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:48:16,885 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:48:16,885 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:48:16,886 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:48:16,892 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:48:16,892 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:48:16,897 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:48:16,898 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:48:16,898 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:48:16,899 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:48:16,901 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:48:16,902 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:48:16,903 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:48:16,903 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:48:16,904 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 [2018-10-04 10:48:16,935 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:48:16,936 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:48:16,936 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:48:16,937 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:48:16,937 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:48:16,937 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:48:16,938 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:48:16,939 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:48:16,939 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:48:16,939 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:48:16,939 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:48:16,940 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:48:16,940 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:48:16,940 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:48:16,940 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:48:16,940 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:48:16,940 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:48:16,942 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:48:16,942 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:48:16,942 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 10:48:16,942 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:48:16,943 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:48:16,943 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:48:16,943 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:48:16,943 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:48:16,943 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:48:16,944 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:48:16,944 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:48:16,944 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:48:16,944 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:48:16,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:48:17,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:48:17,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:48:17,010 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:48:17,010 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:48:17,011 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl [2018-10-04 10:48:17,011 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl' [2018-10-04 10:48:17,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:48:17,059 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:48:17,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:48:17,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:48:17,061 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:48:17,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:17" (1/1) ... [2018-10-04 10:48:17,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:17" (1/1) ... [2018-10-04 10:48:17,099 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 10:48:17,100 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 10:48:17,100 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 10:48:17,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:48:17,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:48:17,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:48:17,103 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:48:17,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:17" (1/1) ... [2018-10-04 10:48:17,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:17" (1/1) ... [2018-10-04 10:48:17,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:17" (1/1) ... [2018-10-04 10:48:17,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:17" (1/1) ... [2018-10-04 10:48:17,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:17" (1/1) ... [2018-10-04 10:48:17,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:17" (1/1) ... [2018-10-04 10:48:17,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:17" (1/1) ... [2018-10-04 10:48:17,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:48:17,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:48:17,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:48:17,124 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:48:17,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:17" (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 [2018-10-04 10:48:17,199 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-04 10:48:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-04 10:48:17,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-04 10:48:17,417 INFO L338 CfgBuilder]: Using library mode [2018-10-04 10:48:17,418 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:48:17 BoogieIcfgContainer [2018-10-04 10:48:17,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:48:17,419 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:48:17,419 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:48:17,431 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:48:17,431 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:48:17" (1/1) ... [2018-10-04 10:48:17,445 INFO L104 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 10:48:17,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:17,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-04 10:48:17,490 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-04 10:48:17,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-04 10:48:17,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:17,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:17,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-04 10:48:17,996 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-04 10:48:18,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 10:48:18,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:18,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:18,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:18,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-10-04 10:48:18,710 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-10-04 10:48:18,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:48:18,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:18,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:19,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-10-04 10:48:19,484 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-10-04 10:48:19,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 10:48:19,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:21,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:21,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 11 states and 24 transitions. [2018-10-04 10:48:21,264 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 24 transitions. [2018-10-04 10:48:21,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 10:48:21,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:21,462 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:23,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:23,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 15 states and 34 transitions. [2018-10-04 10:48:23,075 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 34 transitions. [2018-10-04 10:48:23,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:48:23,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:23,332 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:24,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:24,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2018-10-04 10:48:24,797 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2018-10-04 10:48:24,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:48:24,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:27,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:27,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 26 states and 60 transitions. [2018-10-04 10:48:27,126 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 60 transitions. [2018-10-04 10:48:27,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:48:27,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:27,482 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:28,356 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 28 new depth: 27 [2018-10-04 10:48:29,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 33 states and 76 transitions. [2018-10-04 10:48:29,764 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 76 transitions. [2018-10-04 10:48:29,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:48:29,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:31,047 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:34,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:34,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 41 states and 94 transitions. [2018-10-04 10:48:34,878 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 94 transitions. [2018-10-04 10:48:34,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:48:34,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:35,468 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:39,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:39,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 50 states and 114 transitions. [2018-10-04 10:48:39,401 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 114 transitions. [2018-10-04 10:48:39,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:48:39,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:41,378 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 49 new depth: 49 [2018-10-04 10:48:45,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:45,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 60 states and 136 transitions. [2018-10-04 10:48:45,769 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 136 transitions. [2018-10-04 10:48:45,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:48:45,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:46,785 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:52,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:52,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 71 states and 160 transitions. [2018-10-04 10:48:52,532 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 160 transitions. [2018-10-04 10:48:52,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:48:52,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:53,716 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:55,851 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 70 new depth: 70 [2018-10-04 10:49:03,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:03,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 83 states and 186 transitions. [2018-10-04 10:49:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 186 transitions. [2018-10-04 10:49:03,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 10:49:03,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:14,419 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 94 new depth: 93 [2018-10-04 10:49:15,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:15,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 96 states and 214 transitions. [2018-10-04 10:49:15,790 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 214 transitions. [2018-10-04 10:49:15,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:49:15,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:17,304 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:28,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:28,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 110 states and 244 transitions. [2018-10-04 10:49:28,654 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 244 transitions. [2018-10-04 10:49:28,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 10:49:28,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:30,606 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:38,463 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 116 new depth: 116 [2018-10-04 10:49:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:46,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 125 states and 276 transitions. [2018-10-04 10:49:46,079 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 276 transitions. [2018-10-04 10:49:46,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:49:46,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:48,338 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:04,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:04,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 141 states and 310 transitions. [2018-10-04 10:50:04,787 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 310 transitions. [2018-10-04 10:50:04,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 10:50:04,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:09,632 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 139 new depth: 139 [2018-10-04 10:50:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:30,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:30,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 158 states and 346 transitions. [2018-10-04 10:50:30,392 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 346 transitions. [2018-10-04 10:50:30,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:50:30,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:33,859 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:43,855 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 162 new depth: 162 [2018-10-04 10:50:59,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:59,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 176 states and 384 transitions. [2018-10-04 10:50:59,789 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 384 transitions. [2018-10-04 10:50:59,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 10:50:59,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:03,558 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:23,138 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 188 new depth: 188 [2018-10-04 10:51:31,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:51:31,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 195 states and 424 transitions. [2018-10-04 10:51:31,290 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 424 transitions. [2018-10-04 10:51:31,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:51:31,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:51:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:51:36,253 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:52:07,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:52:07,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 215 states and 466 transitions. [2018-10-04 10:52:07,704 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 466 transitions. [2018-10-04 10:52:07,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 10:52:07,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:52:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:52:16,457 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 213 new depth: 213 [2018-10-04 10:52:16,464 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown