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 0.1.23-9f4048f [2018-10-04 13:53:44,799 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:53:44,801 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:53:44,813 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:53:44,813 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:53:44,814 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:53:44,815 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:53:44,817 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:53:44,819 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:53:44,822 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:53:44,823 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:53:44,824 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:53:44,824 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:53:44,825 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:53:44,827 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:53:44,830 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:53:44,831 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:53:44,838 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:53:44,840 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:53:44,844 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:53:44,845 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:53:44,850 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:53:44,854 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:53:44,854 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:53:44,854 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:53:44,855 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:53:44,856 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:53:44,859 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:53:44,860 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:53:44,861 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:53:44,861 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:53:44,862 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:53:44,862 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:53:44,862 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:53:44,863 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:53:44,864 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:53:44,864 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 13:53:44,879 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:53:44,880 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:53:44,880 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:53:44,881 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:53:44,881 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:53:44,881 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:53:44,882 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:53:44,882 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:53:44,882 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:53:44,882 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:53:44,882 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:53:44,883 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:53:44,883 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:53:44,883 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:53:44,883 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:53:44,883 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:53:44,884 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:53:44,884 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:53:44,884 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:53:44,884 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 13:53:44,884 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:53:44,885 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:53:44,885 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:53:44,885 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:53:44,885 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:53:44,885 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:53:44,886 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:53:44,886 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:53:44,886 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:53:44,886 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:53:44,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:53:44,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:53:44,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:53:44,949 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:53:44,949 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:53:44,950 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl [2018-10-04 13:53:44,951 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl' [2018-10-04 13:53:45,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:53:45,002 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:53:45,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:53:45,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:53:45,003 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:53:45,025 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 01:53:44" (1/1) ... [2018-10-04 13:53:45,038 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 01:53:44" (1/1) ... [2018-10-04 13:53:45,043 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 13:53:45,043 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 13:53:45,044 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 13:53:45,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:53:45,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:53:45,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:53:45,047 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:53:45,057 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 01:53:44" (1/1) ... [2018-10-04 13:53:45,058 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 01:53:44" (1/1) ... [2018-10-04 13:53:45,058 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 01:53:44" (1/1) ... [2018-10-04 13:53:45,059 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 01:53:44" (1/1) ... [2018-10-04 13:53:45,061 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 01:53:44" (1/1) ... [2018-10-04 13:53:45,066 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 01:53:44" (1/1) ... [2018-10-04 13:53:45,067 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 01:53:44" (1/1) ... [2018-10-04 13:53:45,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:53:45,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:53:45,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:53:45,070 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:53:45,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:53:44" (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 13:53:45,146 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-04 13:53:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-04 13:53:45,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-04 13:53:45,395 INFO L338 CfgBuilder]: Using library mode [2018-10-04 13:53:45,395 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:53:45 BoogieIcfgContainer [2018-10-04 13:53:45,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:53:45,396 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:53:45,396 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:53:45,408 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:53:45,408 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 01:53:45" (1/1) ... [2018-10-04 13:53:45,428 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 13:53:45,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:45,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-04 13:53:45,471 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-04 13:53:45,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-04 13:53:45,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:45,644 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 13:53:45,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:45,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-04 13:53:45,956 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-04 13:53:45,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 13:53:45,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:46,128 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 13:53:46,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:46,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-10-04 13:53:46,616 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-10-04 13:53:46,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:53:46,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:46,831 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 13:53:47,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:47,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-10-04 13:53:47,354 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-10-04 13:53:47,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 13:53:47,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:47,483 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 13:53:48,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:48,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 11 states and 24 transitions. [2018-10-04 13:53:48,959 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 24 transitions. [2018-10-04 13:53:48,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:53:48,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:49,128 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 13:53:50,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:50,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 15 states and 34 transitions. [2018-10-04 13:53:50,904 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 34 transitions. [2018-10-04 13:53:50,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:53:50,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:51,174 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 13:53:52,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:52,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2018-10-04 13:53:52,525 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2018-10-04 13:53:52,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:53:52,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:52,826 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 13:53:54,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:54,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 26 states and 60 transitions. [2018-10-04 13:53:54,870 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 60 transitions. [2018-10-04 13:53:54,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 13:53:54,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:55,229 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 13:53:56,229 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 28 new depth: 27 [2018-10-04 13:53:57,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:53:57,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 33 states and 76 transitions. [2018-10-04 13:53:57,648 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 76 transitions. [2018-10-04 13:53:57,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:53:57,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:53:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:53:58,808 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 13:54:02,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:02,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 41 states and 94 transitions. [2018-10-04 13:54:02,717 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 94 transitions. [2018-10-04 13:54:02,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:54:02,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:03,303 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 13:54:07,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:07,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 50 states and 114 transitions. [2018-10-04 13:54:07,346 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 114 transitions. [2018-10-04 13:54:07,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:54:07,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:08,109 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 13:54:09,420 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 49 new depth: 49 [2018-10-04 13:54:14,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:14,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 60 states and 136 transitions. [2018-10-04 13:54:14,011 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 136 transitions. [2018-10-04 13:54:14,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:54:14,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:15,022 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 13:54:20,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:20,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 71 states and 160 transitions. [2018-10-04 13:54:20,830 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 160 transitions. [2018-10-04 13:54:20,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:54:20,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:22,122 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 13:54:24,268 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 70 new depth: 70 [2018-10-04 13:54:31,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:31,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 83 states and 186 transitions. [2018-10-04 13:54:31,983 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 186 transitions. [2018-10-04 13:54:31,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:54:31,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:33,430 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 13:54:43,592 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 94 new depth: 93 [2018-10-04 13:54:44,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:44,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 96 states and 214 transitions. [2018-10-04 13:54:44,964 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 214 transitions. [2018-10-04 13:54:44,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:54:44,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:54:46,765 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 13:54:58,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:54:58,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 110 states and 244 transitions. [2018-10-04 13:54:58,507 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 244 transitions. [2018-10-04 13:54:58,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:54:58,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:54:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:00,672 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 13:55:08,878 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 116 new depth: 116 [2018-10-04 13:55:16,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:16,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 125 states and 276 transitions. [2018-10-04 13:55:16,649 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 276 transitions. [2018-10-04 13:55:16,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:55:16,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:19,218 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 13:55:35,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:55:35,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 141 states and 310 transitions. [2018-10-04 13:55:35,620 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 310 transitions. [2018-10-04 13:55:35,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:55:35,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:55:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:55:40,333 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 139 new depth: 139 [2018-10-04 13:55:40,338 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 13:56:00,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:00,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 158 states and 346 transitions. [2018-10-04 13:56:00,347 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 346 transitions. [2018-10-04 13:56:00,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:56:00,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:03,895 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 13:56:13,614 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 162 new depth: 162 [2018-10-04 13:56:28,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:28,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 176 states and 384 transitions. [2018-10-04 13:56:28,945 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 384 transitions. [2018-10-04 13:56:28,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 13:56:28,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:32,418 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 13:56:51,332 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 188 new depth: 188 [2018-10-04 13:56:59,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:59,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 195 states and 424 transitions. [2018-10-04 13:56:59,265 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 424 transitions. [2018-10-04 13:56:59,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:56:59,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:03,945 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 13:57:34,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:57:34,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 215 states and 466 transitions. [2018-10-04 13:57:34,338 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 466 transitions. [2018-10-04 13:57:34,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 13:57:34,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:57:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:43,065 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 213 new depth: 213 [2018-10-04 13:57:43,071 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