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 0.1.23-2eb0a67 [2018-10-03 10:20:51,178 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 10:20:51,181 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 10:20:51,198 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 10:20:51,198 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 10:20:51,199 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 10:20:51,201 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 10:20:51,203 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 10:20:51,205 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 10:20:51,207 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 10:20:51,208 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 10:20:51,208 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 10:20:51,210 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 10:20:51,211 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 10:20:51,212 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 10:20:51,213 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 10:20:51,217 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 10:20:51,219 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 10:20:51,226 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 10:20:51,230 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 10:20:51,232 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 10:20:51,234 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 10:20:51,237 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 10:20:51,237 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 10:20:51,237 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 10:20:51,238 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 10:20:51,239 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 10:20:51,239 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 10:20:51,240 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 10:20:51,241 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 10:20:51,243 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 10:20:51,243 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 10:20:51,244 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 10:20:51,244 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 10:20:51,245 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 10:20:51,247 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 10:20:51,248 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 [2018-10-03 10:20:51,275 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 10:20:51,275 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 10:20:51,276 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 10:20:51,277 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 10:20:51,277 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 10:20:51,277 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 10:20:51,278 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 10:20:51,278 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 10:20:51,278 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 10:20:51,278 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 10:20:51,279 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 10:20:51,280 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 10:20:51,280 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 10:20:51,280 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 10:20:51,280 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 10:20:51,280 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 10:20:51,281 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 10:20:51,281 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 10:20:51,281 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 10:20:51,281 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-03 10:20:51,283 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 10:20:51,283 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 10:20:51,283 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:20:51,283 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 10:20:51,283 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 10:20:51,284 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 10:20:51,284 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 10:20:51,284 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 10:20:51,284 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 10:20:51,284 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 10:20:51,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 10:20:51,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 10:20:51,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 10:20:51,356 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 10:20:51,356 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 10:20:51,357 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl [2018-10-03 10:20:51,357 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl' [2018-10-03 10:20:51,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 10:20:51,405 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 10:20:51,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 10:20:51,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 10:20:51,406 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 10:20:51,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:51" (1/1) ... [2018-10-03 10:20:51,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:51" (1/1) ... [2018-10-03 10:20:51,447 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-03 10:20:51,447 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-03 10:20:51,447 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-03 10:20:51,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 10:20:51,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 10:20:51,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 10:20:51,450 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 10:20:51,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:51" (1/1) ... [2018-10-03 10:20:51,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:51" (1/1) ... [2018-10-03 10:20:51,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:51" (1/1) ... [2018-10-03 10:20:51,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:51" (1/1) ... [2018-10-03 10:20:51,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:51" (1/1) ... [2018-10-03 10:20:51,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:51" (1/1) ... [2018-10-03 10:20:51,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:51" (1/1) ... [2018-10-03 10:20:51,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 10:20:51,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 10:20:51,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 10:20:51,468 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 10:20:51,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:51" (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 [2018-10-03 10:20:51,538 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-03 10:20:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-03 10:20:51,539 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-03 10:20:51,793 INFO L337 CfgBuilder]: Using library mode [2018-10-03 10:20:51,794 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:20:51 BoogieIcfgContainer [2018-10-03 10:20:51,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 10:20:51,795 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 10:20:51,795 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 10:20:51,809 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 10:20:51,809 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:20:51" (1/1) ... [2018-10-03 10:20:51,825 INFO L106 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-03 10:20:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:51,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-03 10:20:51,867 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-03 10:20:51,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-03 10:20:51,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:52,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:52,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-03 10:20:52,349 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-03 10:20:52,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-03 10:20:52,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:52,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:52,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-10-03 10:20:52,994 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-10-03 10:20:52,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-03 10:20:52,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:53,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:53,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:53,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-10-03 10:20:53,721 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-10-03 10:20:53,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-03 10:20:53,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:53,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:55,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:55,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 11 states and 24 transitions. [2018-10-03 10:20:55,493 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 24 transitions. [2018-10-03 10:20:55,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-03 10:20:55,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:55,652 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:57,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:57,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 15 states and 34 transitions. [2018-10-03 10:20:57,269 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 34 transitions. [2018-10-03 10:20:57,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-03 10:20:57,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:57,479 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:58,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2018-10-03 10:20:58,968 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2018-10-03 10:20:58,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:20:58,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:01,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 26 states and 60 transitions. [2018-10-03 10:21:01,410 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 60 transitions. [2018-10-03 10:21:01,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:21:01,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:01,769 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:03,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 33 states and 76 transitions. [2018-10-03 10:21:03,881 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 76 transitions. [2018-10-03 10:21:03,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:21:03,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:08,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:08,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 41 states and 94 transitions. [2018-10-03 10:21:08,910 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 94 transitions. [2018-10-03 10:21:08,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:21:08,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:09,454 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:13,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:13,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 50 states and 114 transitions. [2018-10-03 10:21:13,326 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 114 transitions. [2018-10-03 10:21:13,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:21:13,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:14,049 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:18,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:18,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 60 states and 136 transitions. [2018-10-03 10:21:18,740 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 136 transitions. [2018-10-03 10:21:18,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-03 10:21:18,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:19,625 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:25,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:25,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 71 states and 160 transitions. [2018-10-03 10:21:25,120 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 160 transitions. [2018-10-03 10:21:25,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:21:25,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:26,176 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:34,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:34,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 83 states and 186 transitions. [2018-10-03 10:21:34,696 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 186 transitions. [2018-10-03 10:21:34,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-03 10:21:34,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:36,068 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:47,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 96 states and 214 transitions. [2018-10-03 10:21:47,189 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 214 transitions. [2018-10-03 10:21:47,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:21:47,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:48,970 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:00,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:00,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 110 states and 244 transitions. [2018-10-03 10:22:00,849 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 244 transitions. [2018-10-03 10:22:00,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:22:00,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:02,852 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:16,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 125 states and 276 transitions. [2018-10-03 10:22:16,961 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 276 transitions. [2018-10-03 10:22:16,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:22:16,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:35,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:35,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 141 states and 310 transitions. [2018-10-03 10:22:35,702 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 310 transitions. [2018-10-03 10:22:35,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-03 10:22:35,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:39,837 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:59,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:59,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 158 states and 346 transitions. [2018-10-03 10:22:59,258 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 346 transitions. [2018-10-03 10:22:59,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-03 10:22:59,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:02,717 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:25,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:25,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 176 states and 384 transitions. [2018-10-03 10:23:25,092 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 384 transitions. [2018-10-03 10:23:25,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-03 10:23:25,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:28,622 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:52,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:52,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 195 states and 424 transitions. [2018-10-03 10:23:52,025 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 424 transitions. [2018-10-03 10:23:52,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-03 10:23:52,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:56,021 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:24:25,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:24:25,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 215 states and 466 transitions. [2018-10-03 10:24:25,465 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 466 transitions. [2018-10-03 10:24:25,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-03 10:24:25,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:24:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:24:30,345 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:25:05,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:25:05,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 236 states and 510 transitions. [2018-10-03 10:25:05,306 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 510 transitions. [2018-10-03 10:25:05,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-03 10:25:05,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:25:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:25:10,735 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown