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-c372c2b [2018-10-02 13:22:46,570 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 13:22:46,575 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 13:22:46,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 13:22:46,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 13:22:46,593 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 13:22:46,594 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 13:22:46,596 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 13:22:46,598 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 13:22:46,599 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 13:22:46,599 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 13:22:46,600 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 13:22:46,601 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 13:22:46,602 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 13:22:46,603 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 13:22:46,603 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 13:22:46,604 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 13:22:46,606 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 13:22:46,608 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 13:22:46,610 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 13:22:46,611 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 13:22:46,612 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 13:22:46,615 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 13:22:46,615 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 13:22:46,615 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 13:22:46,616 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 13:22:46,617 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 13:22:46,618 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 13:22:46,619 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 13:22:46,620 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 13:22:46,620 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 13:22:46,621 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 13:22:46,621 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 13:22:46,621 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 13:22:46,623 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 13:22:46,623 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 13:22:46,624 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 [2018-10-02 13:22:46,640 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 13:22:46,640 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 13:22:46,641 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 13:22:46,641 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 13:22:46,642 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 13:22:46,642 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 13:22:46,642 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 13:22:46,643 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 13:22:46,643 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 13:22:46,643 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 13:22:46,643 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 13:22:46,643 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 13:22:46,644 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 13:22:46,644 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 13:22:46,644 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 13:22:46,644 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 13:22:46,644 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 13:22:46,645 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 13:22:46,645 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 13:22:46,645 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-02 13:22:46,645 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 13:22:46,645 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 13:22:46,646 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 13:22:46,646 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 13:22:46,646 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 13:22:46,646 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 13:22:46,647 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 13:22:46,647 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 13:22:46,647 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 13:22:46,647 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 13:22:46,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 13:22:46,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 13:22:46,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 13:22:46,729 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 13:22:46,730 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 13:22:46,731 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl [2018-10-02 13:22:46,732 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl' [2018-10-02 13:22:46,787 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 13:22:46,791 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 13:22:46,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 13:22:46,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 13:22:46,792 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 13:22:46,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:46" (1/1) ... [2018-10-02 13:22:46,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:46" (1/1) ... [2018-10-02 13:22:46,834 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-02 13:22:46,834 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-02 13:22:46,834 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-02 13:22:46,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 13:22:46,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 13:22:46,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 13:22:46,838 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 13:22:46,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:46" (1/1) ... [2018-10-02 13:22:46,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:46" (1/1) ... [2018-10-02 13:22:46,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:46" (1/1) ... [2018-10-02 13:22:46,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:46" (1/1) ... [2018-10-02 13:22:46,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:46" (1/1) ... [2018-10-02 13:22:46,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:46" (1/1) ... [2018-10-02 13:22:46,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:46" (1/1) ... [2018-10-02 13:22:46,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 13:22:46,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 13:22:46,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 13:22:46,859 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 13:22:46,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 13:22:46,918 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-02 13:22:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-02 13:22:46,918 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-02 13:22:47,144 INFO L337 CfgBuilder]: Using library mode [2018-10-02 13:22:47,145 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:22:47 BoogieIcfgContainer [2018-10-02 13:22:47,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 13:22:47,146 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 13:22:47,146 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 13:22:47,158 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 13:22:47,158 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:22:47" (1/1) ... [2018-10-02 13:22:47,171 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 13:22:47,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:47,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-02 13:22:47,217 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-02 13:22:47,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-02 13:22:47,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:47,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-02 13:22:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-02 13:22:48,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-02 13:22:48,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:48,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:49,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:49,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-10-02 13:22:49,105 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-10-02 13:22:49,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-02 13:22:49,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:49,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:50,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:50,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-10-02 13:22:50,179 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-10-02 13:22:50,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-02 13:22:50,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:50,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:51,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:51,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 11 states and 24 transitions. [2018-10-02 13:22:51,488 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 24 transitions. [2018-10-02 13:22:51,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 13:22:51,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:51,640 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:53,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:53,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 15 states and 34 transitions. [2018-10-02 13:22:53,524 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 34 transitions. [2018-10-02 13:22:53,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 13:22:53,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:53,750 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:55,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:55,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2018-10-02 13:22:55,637 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2018-10-02 13:22:55,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 13:22:55,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:55,976 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:58,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:58,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 26 states and 60 transitions. [2018-10-02 13:22:58,104 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 60 transitions. [2018-10-02 13:22:58,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-02 13:22:58,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:01,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:01,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 33 states and 76 transitions. [2018-10-02 13:23:01,075 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 76 transitions. [2018-10-02 13:23:01,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 13:23:01,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:02,107 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:06,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 41 states and 94 transitions. [2018-10-02 13:23:06,151 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 94 transitions. [2018-10-02 13:23:06,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 13:23:06,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:06,778 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:11,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:11,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 50 states and 114 transitions. [2018-10-02 13:23:11,123 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 114 transitions. [2018-10-02 13:23:11,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 13:23:11,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 60 states and 136 transitions. [2018-10-02 13:23:17,004 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 136 transitions. [2018-10-02 13:23:17,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 13:23:17,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:17,908 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:24,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:24,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 71 states and 160 transitions. [2018-10-02 13:23:24,093 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 160 transitions. [2018-10-02 13:23:24,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 13:23:24,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:25,828 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:34,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:34,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 83 states and 186 transitions. [2018-10-02 13:23:34,594 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 186 transitions. [2018-10-02 13:23:34,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 13:23:34,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:35,972 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:47,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 96 states and 214 transitions. [2018-10-02 13:23:47,301 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 214 transitions. [2018-10-02 13:23:47,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 13:23:47,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:01,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:01,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 110 states and 244 transitions. [2018-10-02 13:24:01,031 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 244 transitions. [2018-10-02 13:24:01,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 13:24:01,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:03,020 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:18,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:18,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 125 states and 276 transitions. [2018-10-02 13:24:18,627 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 276 transitions. [2018-10-02 13:24:18,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 13:24:18,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:21,236 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:37,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:37,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 141 states and 310 transitions. [2018-10-02 13:24:37,770 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 310 transitions. [2018-10-02 13:24:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-02 13:24:37,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:02,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:02,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 158 states and 346 transitions. [2018-10-02 13:25:02,564 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 346 transitions. [2018-10-02 13:25:02,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 13:25:02,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:05,772 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:29,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 176 states and 384 transitions. [2018-10-02 13:25:29,698 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 384 transitions. [2018-10-02 13:25:29,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-02 13:25:29,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:33,292 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:58,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:58,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 195 states and 424 transitions. [2018-10-02 13:25:58,238 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 424 transitions. [2018-10-02 13:25:58,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-02 13:25:58,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:26:02,471 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:26:34,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:26:34,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 215 states and 466 transitions. [2018-10-02 13:26:34,224 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 466 transitions. [2018-10-02 13:26:34,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-02 13:26:34,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:26:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:26:39,230 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