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 0.1.23-00a8621 [2018-09-30 12:04:28,123 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 12:04:28,125 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 12:04:28,143 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 12:04:28,144 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 12:04:28,145 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 12:04:28,147 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 12:04:28,149 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 12:04:28,152 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 12:04:28,153 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 12:04:28,156 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 12:04:28,156 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 12:04:28,157 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 12:04:28,158 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 12:04:28,159 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 12:04:28,160 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 12:04:28,161 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 12:04:28,163 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 12:04:28,165 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 12:04:28,166 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 12:04:28,167 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 12:04:28,169 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 12:04:28,171 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 12:04:28,172 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 12:04:28,172 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 12:04:28,173 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 12:04:28,175 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 12:04:28,176 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 12:04:28,180 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 12:04:28,181 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 12:04:28,183 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 12:04:28,184 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 12:04:28,184 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 12:04:28,184 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 12:04:28,187 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 12:04:28,189 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 12:04:28,189 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-30 12:04:28,217 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 12:04:28,217 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 12:04:28,218 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 12:04:28,218 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 12:04:28,219 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 12:04:28,219 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 12:04:28,219 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 12:04:28,219 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 12:04:28,220 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 12:04:28,220 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 12:04:28,221 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 12:04:28,221 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 12:04:28,221 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 12:04:28,221 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 12:04:28,221 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 12:04:28,222 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 12:04:28,222 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 12:04:28,222 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 12:04:28,222 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 12:04:28,223 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 12:04:28,224 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 12:04:28,224 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 12:04:28,224 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 12:04:28,224 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 12:04:28,224 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 12:04:28,225 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 12:04:28,225 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 12:04:28,225 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 12:04:28,225 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 12:04:28,225 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 12:04:28,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 12:04:28,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 12:04:28,304 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 12:04:28,305 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 12:04:28,306 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 12:04:28,307 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl [2018-09-30 12:04:28,307 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl' [2018-09-30 12:04:28,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 12:04:28,366 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 12:04:28,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 12:04:28,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 12:04:28,367 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 12:04:28,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:04:28" (1/1) ... [2018-09-30 12:04:28,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:04:28" (1/1) ... [2018-09-30 12:04:28,406 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 12:04:28,406 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 12:04:28,407 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 12:04:28,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 12:04:28,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 12:04:28,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 12:04:28,410 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 12:04:28,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:04:28" (1/1) ... [2018-09-30 12:04:28,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:04:28" (1/1) ... [2018-09-30 12:04:28,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:04:28" (1/1) ... [2018-09-30 12:04:28,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:04:28" (1/1) ... [2018-09-30 12:04:28,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:04:28" (1/1) ... [2018-09-30 12:04:28,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:04:28" (1/1) ... [2018-09-30 12:04:28,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:04:28" (1/1) ... [2018-09-30 12:04:28,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 12:04:28,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 12:04:28,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 12:04:28,430 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 12:04:28,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:04:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 12:04:28,500 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-30 12:04:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-30 12:04:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-30 12:04:28,732 INFO L345 CfgBuilder]: Using library mode [2018-09-30 12:04:28,732 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 12:04:28 BoogieIcfgContainer [2018-09-30 12:04:28,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 12:04:28,733 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 12:04:28,733 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 12:04:28,745 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 12:04:28,745 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 12:04:28" (1/1) ... [2018-09-30 12:04:28,763 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 12:04:28,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:04:28,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-09-30 12:04:28,807 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-09-30 12:04:28,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-30 12:04:28,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:04:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:04:28,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:04:29,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:04:29,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-09-30 12:04:29,471 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-09-30 12:04:29,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 12:04:29,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:04:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:04:29,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:04:30,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:04:30,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-09-30 12:04:30,385 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-09-30 12:04:30,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 12:04:30,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:04:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:04:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:04:31,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:04:31,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-09-30 12:04:31,462 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-09-30 12:04:31,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 12:04:31,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:04:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:04:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:04:32,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:04:32,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 11 states and 24 transitions. [2018-09-30 12:04:32,944 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 24 transitions. [2018-09-30 12:04:32,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 12:04:32,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:04:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:04:33,194 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:04:35,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:04:35,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 15 states and 34 transitions. [2018-09-30 12:04:35,049 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 34 transitions. [2018-09-30 12:04:35,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 12:04:35,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:04:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:04:35,440 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:04:37,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:04:37,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2018-09-30 12:04:37,320 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2018-09-30 12:04:37,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 12:04:37,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:04:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:04:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:04:41,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:04:41,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 26 states and 60 transitions. [2018-09-30 12:04:41,296 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 60 transitions. [2018-09-30 12:04:41,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 12:04:41,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:04:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:04:42,833 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:04:47,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:04:47,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 33 states and 76 transitions. [2018-09-30 12:04:47,235 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 76 transitions. [2018-09-30 12:04:47,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 12:04:47,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:04:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:04:48,879 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:04:55,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:04:55,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 41 states and 94 transitions. [2018-09-30 12:04:55,171 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 94 transitions. [2018-09-30 12:04:55,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 12:04:55,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:04:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:04:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:07,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 50 states and 114 transitions. [2018-09-30 12:05:07,529 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 114 transitions. [2018-09-30 12:05:07,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 12:05:07,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:10,619 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:27,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:27,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 60 states and 136 transitions. [2018-09-30 12:05:27,966 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 136 transitions. [2018-09-30 12:05:27,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 12:05:27,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:32,857 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:02,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:02,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 71 states and 160 transitions. [2018-09-30 12:06:02,151 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 160 transitions. [2018-09-30 12:06:02,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 12:06:02,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:09,794 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:58,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:58,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 83 states and 186 transitions. [2018-09-30 12:06:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 186 transitions. [2018-09-30 12:06:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 12:06:58,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:07:10,668 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:08:31,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:08:31,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 96 states and 214 transitions. [2018-09-30 12:08:31,437 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 214 transitions. [2018-09-30 12:08:31,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 12:08:31,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:08:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:08:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown