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-d19836b [2018-09-26 23:04:07,192 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 23:04:07,194 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 23:04:07,206 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 23:04:07,206 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 23:04:07,207 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 23:04:07,208 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 23:04:07,210 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 23:04:07,212 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 23:04:07,213 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 23:04:07,214 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 23:04:07,214 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 23:04:07,215 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 23:04:07,216 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 23:04:07,217 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 23:04:07,218 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 23:04:07,219 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 23:04:07,221 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 23:04:07,223 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 23:04:07,225 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 23:04:07,226 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 23:04:07,227 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 23:04:07,230 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 23:04:07,230 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 23:04:07,230 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 23:04:07,231 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 23:04:07,232 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 23:04:07,233 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 23:04:07,234 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 23:04:07,235 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 23:04:07,236 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 23:04:07,236 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 23:04:07,237 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 23:04:07,237 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 23:04:07,238 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 23:04:07,239 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 23:04:07,239 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 [2018-09-26 23:04:07,255 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 23:04:07,255 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 23:04:07,256 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 23:04:07,257 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 23:04:07,257 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 23:04:07,258 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 23:04:07,258 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 23:04:07,258 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 23:04:07,258 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 23:04:07,259 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 23:04:07,259 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 23:04:07,259 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 23:04:07,259 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 23:04:07,259 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 23:04:07,260 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 23:04:07,260 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 23:04:07,260 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 23:04:07,260 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 23:04:07,260 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 23:04:07,261 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 23:04:07,261 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 23:04:07,261 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 23:04:07,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 23:04:07,261 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 23:04:07,262 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 23:04:07,262 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 23:04:07,262 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 23:04:07,262 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 23:04:07,262 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 23:04:07,263 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 23:04:07,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 23:04:07,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 23:04:07,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 23:04:07,329 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 23:04:07,330 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 23:04:07,331 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl [2018-09-26 23:04:07,331 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl' [2018-09-26 23:04:07,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 23:04:07,379 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 23:04:07,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 23:04:07,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 23:04:07,380 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 23:04:07,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:07" (1/1) ... [2018-09-26 23:04:07,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:07" (1/1) ... [2018-09-26 23:04:07,419 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 23:04:07,420 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 23:04:07,420 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 23:04:07,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 23:04:07,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 23:04:07,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 23:04:07,424 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 23:04:07,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:07" (1/1) ... [2018-09-26 23:04:07,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:07" (1/1) ... [2018-09-26 23:04:07,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:07" (1/1) ... [2018-09-26 23:04:07,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:07" (1/1) ... [2018-09-26 23:04:07,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:07" (1/1) ... [2018-09-26 23:04:07,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:07" (1/1) ... [2018-09-26 23:04:07,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:07" (1/1) ... [2018-09-26 23:04:07,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 23:04:07,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 23:04:07,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 23:04:07,451 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 23:04:07,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:07" (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 [2018-09-26 23:04:07,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-26 23:04:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-26 23:04:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-26 23:04:07,753 INFO L343 CfgBuilder]: Using library mode [2018-09-26 23:04:07,754 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 11:04:07 BoogieIcfgContainer [2018-09-26 23:04:07,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 23:04:07,755 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 23:04:07,755 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 23:04:07,766 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 23:04:07,766 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 11:04:07" (1/1) ... [2018-09-26 23:04:07,780 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 23:04:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:07,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-09-26 23:04:07,818 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-09-26 23:04:07,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-26 23:04:07,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-09-26 23:04:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-09-26 23:04:08,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 23:04:08,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:08,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:09,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:09,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-09-26 23:04:09,782 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-09-26 23:04:09,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 23:04:09,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:09,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:11,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:11,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-09-26 23:04:11,191 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-09-26 23:04:11,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 23:04:11,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:11,557 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:13,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:13,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 11 states and 24 transitions. [2018-09-26 23:04:13,921 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 24 transitions. [2018-09-26 23:04:13,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 23:04:13,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:14,480 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:17,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:17,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 15 states and 34 transitions. [2018-09-26 23:04:17,458 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 34 transitions. [2018-09-26 23:04:17,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 23:04:17,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:18,541 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:23,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:23,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2018-09-26 23:04:23,655 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2018-09-26 23:04:23,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 23:04:23,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:26,288 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:37,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:37,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 26 states and 60 transitions. [2018-09-26 23:04:37,002 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 60 transitions. [2018-09-26 23:04:37,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 23:04:37,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:42,952 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:05,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:05,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 33 states and 76 transitions. [2018-09-26 23:05:05,780 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 76 transitions. [2018-09-26 23:05:05,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 23:05:05,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:17,246 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:05,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:05,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 41 states and 94 transitions. [2018-09-26 23:06:05,306 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 94 transitions. [2018-09-26 23:06:05,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 23:06:05,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:14,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 50 states and 114 transitions. [2018-09-26 23:08:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 114 transitions. [2018-09-26 23:08:14,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 23:08:14,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-26 23:08:52,805 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-09-26 23:08:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:52,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown