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 [2018-10-01 04:00:56,513 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 04:00:56,515 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 04:00:56,533 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 04:00:56,533 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 04:00:56,535 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 04:00:56,536 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 04:00:56,538 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 04:00:56,540 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 04:00:56,541 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 04:00:56,542 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 04:00:56,544 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 04:00:56,545 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 04:00:56,552 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 04:00:56,554 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 04:00:56,555 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 04:00:56,556 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 04:00:56,557 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 04:00:56,560 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 04:00:56,565 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 04:00:56,566 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 04:00:56,569 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 04:00:56,574 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 04:00:56,574 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 04:00:56,574 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 04:00:56,575 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 04:00:56,576 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 04:00:56,577 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 04:00:56,580 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 04:00:56,581 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 04:00:56,581 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 04:00:56,582 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 04:00:56,582 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 04:00:56,582 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 04:00:56,585 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 04:00:56,586 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 04:00:56,587 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 [2018-10-01 04:00:56,616 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 04:00:56,616 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 04:00:56,617 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 04:00:56,617 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 04:00:56,618 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 04:00:56,618 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 04:00:56,618 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 04:00:56,618 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 04:00:56,618 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 04:00:56,619 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 04:00:56,619 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 04:00:56,619 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 04:00:56,619 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 04:00:56,619 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 04:00:56,620 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 04:00:56,620 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 04:00:56,620 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 04:00:56,620 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 04:00:56,620 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 04:00:56,621 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 04:00:56,621 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 04:00:56,621 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 04:00:56,621 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 04:00:56,621 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 04:00:56,621 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 04:00:56,622 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 04:00:56,622 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 04:00:56,622 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 04:00:56,622 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 04:00:56,622 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 04:00:56,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 04:00:56,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 04:00:56,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 04:00:56,692 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 04:00:56,693 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 04:00:56,694 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl [2018-10-01 04:00:56,695 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl' [2018-10-01 04:00:56,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 04:00:56,754 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 04:00:56,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 04:00:56,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 04:00:56,755 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 04:00:56,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:56" (1/1) ... [2018-10-01 04:00:56,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:56" (1/1) ... [2018-10-01 04:00:56,796 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 04:00:56,796 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 04:00:56,796 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 04:00:56,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 04:00:56,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 04:00:56,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 04:00:56,799 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 04:00:56,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:56" (1/1) ... [2018-10-01 04:00:56,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:56" (1/1) ... [2018-10-01 04:00:56,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:56" (1/1) ... [2018-10-01 04:00:56,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:56" (1/1) ... [2018-10-01 04:00:56,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:56" (1/1) ... [2018-10-01 04:00:56,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:56" (1/1) ... [2018-10-01 04:00:56,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:56" (1/1) ... [2018-10-01 04:00:56,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 04:00:56,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 04:00:56,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 04:00:56,821 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 04:00:56,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:56" (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 [2018-10-01 04:00:56,885 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-01 04:00:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-01 04:00:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-01 04:00:57,144 INFO L345 CfgBuilder]: Using library mode [2018-10-01 04:00:57,145 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 04:00:57 BoogieIcfgContainer [2018-10-01 04:00:57,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 04:00:57,146 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 04:00:57,146 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 04:00:57,158 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 04:00:57,158 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 04:00:57" (1/1) ... [2018-10-01 04:00:57,176 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 04:00:57,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:57,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-01 04:00:57,209 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-01 04:00:57,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-01 04:00:57,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:57,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:57,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-01 04:00:57,859 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-01 04:00:57,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-01 04:00:57,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:57,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:58,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:58,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-10-01 04:00:58,701 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-10-01 04:00:58,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-01 04:00:58,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:58,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:59,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-10-01 04:00:59,785 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-10-01 04:00:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 04:00:59,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:01,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 11 states and 24 transitions. [2018-10-01 04:01:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 24 transitions. [2018-10-01 04:01:01,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 04:01:01,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:01,467 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:03,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 15 states and 34 transitions. [2018-10-01 04:01:03,324 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 34 transitions. [2018-10-01 04:01:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 04:01:03,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:03,645 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:05,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:05,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2018-10-01 04:01:05,292 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2018-10-01 04:01:05,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 04:01:05,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:05,711 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:07,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:07,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 26 states and 60 transitions. [2018-10-01 04:01:07,979 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 60 transitions. [2018-10-01 04:01:07,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 04:01:07,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:08,491 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:11,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:11,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 33 states and 76 transitions. [2018-10-01 04:01:11,063 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 76 transitions. [2018-10-01 04:01:11,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 04:01:11,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:11,864 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:14,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:14,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 41 states and 94 transitions. [2018-10-01 04:01:14,846 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 94 transitions. [2018-10-01 04:01:14,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 04:01:14,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:16,118 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:20,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:20,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 50 states and 114 transitions. [2018-10-01 04:01:20,192 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 114 transitions. [2018-10-01 04:01:20,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 04:01:20,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:21,624 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 60 states and 136 transitions. [2018-10-01 04:01:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 136 transitions. [2018-10-01 04:01:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 04:01:26,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:28,122 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:34,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 71 states and 160 transitions. [2018-10-01 04:01:34,294 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 160 transitions. [2018-10-01 04:01:34,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 04:01:34,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:44,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:44,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 83 states and 186 transitions. [2018-10-01 04:01:44,552 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 186 transitions. [2018-10-01 04:01:44,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 04:01:44,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 96 states and 214 transitions. [2018-10-01 04:01:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 214 transitions. [2018-10-01 04:01:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 04:01:57,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:02:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:02:13,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:02:13,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 110 states and 244 transitions. [2018-10-01 04:02:13,880 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 244 transitions. [2018-10-01 04:02:13,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 04:02:13,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:02:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:02:18,071 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:02:32,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:02:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 125 states and 276 transitions. [2018-10-01 04:02:32,924 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 276 transitions. [2018-10-01 04:02:32,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 04:02:32,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:02:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:02:38,168 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:02:56,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:02:56,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 141 states and 310 transitions. [2018-10-01 04:02:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 310 transitions. [2018-10-01 04:02:56,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-01 04:02:56,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:02:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:03:02,632 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:03:25,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:03:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 158 states and 346 transitions. [2018-10-01 04:03:25,564 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 346 transitions. [2018-10-01 04:03:25,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 04:03:25,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:03:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:03:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:04:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:04:01,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 176 states and 384 transitions. [2018-10-01 04:04:01,608 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 384 transitions. [2018-10-01 04:04:01,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 04:04:01,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:04:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:04:11,079 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:04:44,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:04:44,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 195 states and 424 transitions. [2018-10-01 04:04:44,847 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 424 transitions. [2018-10-01 04:04:44,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 04:04:44,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:04:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:04:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:05:37,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:05:37,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 215 states and 466 transitions. [2018-10-01 04:05:37,002 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 466 transitions. [2018-10-01 04:05:37,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-01 04:05:37,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:05:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:05:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:06:38,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:06:38,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 236 states and 510 transitions. [2018-10-01 04:06:38,706 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 510 transitions. [2018-10-01 04:06:38,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 04:06:38,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:06:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:06:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:07:52,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:07:52,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 258 states and 556 transitions. [2018-10-01 04:07:52,569 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 556 transitions. [2018-10-01 04:07:52,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-01 04:07:52,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:07:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:08:11,195 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:09:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:09:23,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 281 states and 604 transitions. [2018-10-01 04:09:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 604 transitions. [2018-10-01 04:09:23,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 04:09:23,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:09:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:09:47,007 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:11:14,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:11:14,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 305 states and 654 transitions. [2018-10-01 04:11:14,542 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 654 transitions. [2018-10-01 04:11:14,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-01 04:11:14,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:11:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:11:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:13:24,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:13:24,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 330 states and 706 transitions. [2018-10-01 04:13:24,985 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 706 transitions. [2018-10-01 04:13:24,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 04:13:24,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:13:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:13:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown